diff --git a/guide/src/distribution.md b/guide/src/distribution.md
index 6e9596b02..ddb32a834 100644
--- a/guide/src/distribution.md
+++ b/guide/src/distribution.md
@@ -221,7 +221,7 @@ or providing any Windows Python library files.
 
 ```toml
 [dependencies]
-pyo3 = { version = "0.18.0", features = ["extension-module", "generate-import-lib"] }
+pyo3 = { version = "0.19.0", features = ["extension-module", "generate-import-lib"] }
 ```
 
 It uses an external [`python3-dll-a`](https://docs.rs/python3-dll-a/latest/python3_dll_a/) crate to 
diff --git a/src/templates/Cargo.toml.j2 b/src/templates/Cargo.toml.j2
index f147f0762..472264bbf 100644
--- a/src/templates/Cargo.toml.j2
+++ b/src/templates/Cargo.toml.j2
@@ -12,7 +12,7 @@ crate-type = ["cdylib"]
 
 [dependencies]
 {% if bindings == "pyo3" -%}
-pyo3 = "0.18.3"
+pyo3 = "0.19.0"
 {% elif bindings == "rust-cpython" -%}
 cpython = "0.7.1"
 {% elif bindings == "uniffi" -%}
diff --git a/test-crates/lib_with_disallowed_lib/Cargo.toml b/test-crates/lib_with_disallowed_lib/Cargo.toml
index d1fe0558a..717e76ccb 100644
--- a/test-crates/lib_with_disallowed_lib/Cargo.toml
+++ b/test-crates/lib_with_disallowed_lib/Cargo.toml
@@ -9,4 +9,4 @@ crate-type = ["cdylib"]
 
 [dependencies]
 libz-sys = { version = "1.1.2", default-features = false }
-pyo3 = { version = "0.18.0", features = ["extension-module"] }
+pyo3 = { version = "0.19.0", features = ["extension-module"] }
diff --git a/test-crates/lib_with_path_dep/Cargo.toml b/test-crates/lib_with_path_dep/Cargo.toml
index 2efbc537c..d11de5019 100644
--- a/test-crates/lib_with_path_dep/Cargo.toml
+++ b/test-crates/lib_with_path_dep/Cargo.toml
@@ -9,5 +9,5 @@ crate-type = ["cdylib"]
 
 [dependencies]
 # Don't use the macros feature, which makes compilation much faster
-pyo3 = { version = "0.18.0", default-features = false, features = ["extension-module"] }
+pyo3 = { version = "0.19.0", default-features = false, features = ["extension-module"] }
 some_path_dep = { path = "../some_path_dep" }
diff --git a/test-crates/pyo3-abi3-without-version/Cargo.lock b/test-crates/pyo3-abi3-without-version/Cargo.lock
index 692fcfb94..258aa9955 100644
--- a/test-crates/pyo3-abi3-without-version/Cargo.lock
+++ b/test-crates/pyo3-abi3-without-version/Cargo.lock
@@ -44,9 +44,9 @@ dependencies = [
 
 [[package]]
 name = "memoffset"
-version = "0.8.0"
+version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d61c719bcfbcf5d62b3a09efa6088de8c54bc0bfcd3ea7ae39fcc186108b8de1"
+checksum = "5a634b1c61a95585bd15607c6ab0c4e5b226e695ff2800ba0cdccddf208c406c"
 dependencies = [
  "autocfg",
 ]
@@ -91,9 +91,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3"
-version = "0.18.1"
+version = "0.19.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "06a3d8e8a46ab2738109347433cb7b96dffda2e4a218b03ef27090238886b147"
+checksum = "cffef52f74ec3b1a1baf295d9b8fcc3070327aefc39a6d00656b13c1d0b8885c"
 dependencies = [
  "cfg-if",
  "indoc",
@@ -115,9 +115,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-build-config"
-version = "0.18.1"
+version = "0.19.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "75439f995d07ddfad42b192dfcf3bc66a7ecfd8b4a1f5f6f046aa5c2c5d7677d"
+checksum = "713eccf888fb05f1a96eb78c0dbc51907fee42b3377272dc902eb38985f418d5"
 dependencies = [
  "once_cell",
  "target-lexicon",
@@ -125,9 +125,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-ffi"
-version = "0.18.1"
+version = "0.19.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "839526a5c07a17ff44823679b68add4a58004de00512a95b6c1c98a6dcac0ee5"
+checksum = "5b2ecbdcfb01cbbf56e179ce969a048fd7305a66d4cdf3303e0da09d69afe4c3"
 dependencies = [
  "libc",
  "pyo3-build-config",
@@ -135,9 +135,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-macros"
-version = "0.18.1"
+version = "0.19.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bd44cf207476c6a9760c4653559be4f206efafb924d3e4cbf2721475fc0d6cc5"
+checksum = "b78fdc0899f2ea781c463679b20cb08af9247febc8d052de941951024cd8aea0"
 dependencies = [
  "proc-macro2",
  "pyo3-macros-backend",
@@ -147,9 +147,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-macros-backend"
-version = "0.18.1"
+version = "0.19.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dc1f43d8e30460f36350d18631ccf85ded64c059829208fe680904c65bcd0a4c"
+checksum = "60da7b84f1227c3e2fe7593505de274dcf4c8928b4e0a1c23d551a14e4e80a0f"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/test-crates/pyo3-abi3-without-version/Cargo.toml b/test-crates/pyo3-abi3-without-version/Cargo.toml
index f07379908..7182b90cc 100644
--- a/test-crates/pyo3-abi3-without-version/Cargo.toml
+++ b/test-crates/pyo3-abi3-without-version/Cargo.toml
@@ -5,7 +5,7 @@ authors = ["konstin <konstin@mailbox.org>"]
 edition = "2021"
 
 [dependencies]
-pyo3 = { version = "0.18.0", features = ["abi3", "extension-module"] }
+pyo3 = { version = "0.19.0", features = ["abi3", "extension-module"] }
 
 [lib]
 name = "pyo3_abi3_without_version"
diff --git a/test-crates/pyo3-bin/Cargo.lock b/test-crates/pyo3-bin/Cargo.lock
index a9b757de8..f55a0a50c 100644
--- a/test-crates/pyo3-bin/Cargo.lock
+++ b/test-crates/pyo3-bin/Cargo.lock
@@ -44,9 +44,9 @@ dependencies = [
 
 [[package]]
 name = "memoffset"
-version = "0.8.0"
+version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d61c719bcfbcf5d62b3a09efa6088de8c54bc0bfcd3ea7ae39fcc186108b8de1"
+checksum = "5a634b1c61a95585bd15607c6ab0c4e5b226e695ff2800ba0cdccddf208c406c"
 dependencies = [
  "autocfg",
 ]
@@ -91,9 +91,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3"
-version = "0.18.1"
+version = "0.19.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "06a3d8e8a46ab2738109347433cb7b96dffda2e4a218b03ef27090238886b147"
+checksum = "cffef52f74ec3b1a1baf295d9b8fcc3070327aefc39a6d00656b13c1d0b8885c"
 dependencies = [
  "cfg-if",
  "indoc",
@@ -115,9 +115,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-build-config"
-version = "0.18.1"
+version = "0.19.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "75439f995d07ddfad42b192dfcf3bc66a7ecfd8b4a1f5f6f046aa5c2c5d7677d"
+checksum = "713eccf888fb05f1a96eb78c0dbc51907fee42b3377272dc902eb38985f418d5"
 dependencies = [
  "once_cell",
  "target-lexicon",
@@ -125,9 +125,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-ffi"
-version = "0.18.1"
+version = "0.19.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "839526a5c07a17ff44823679b68add4a58004de00512a95b6c1c98a6dcac0ee5"
+checksum = "5b2ecbdcfb01cbbf56e179ce969a048fd7305a66d4cdf3303e0da09d69afe4c3"
 dependencies = [
  "libc",
  "pyo3-build-config",
@@ -135,9 +135,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-macros"
-version = "0.18.1"
+version = "0.19.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bd44cf207476c6a9760c4653559be4f206efafb924d3e4cbf2721475fc0d6cc5"
+checksum = "b78fdc0899f2ea781c463679b20cb08af9247febc8d052de941951024cd8aea0"
 dependencies = [
  "proc-macro2",
  "pyo3-macros-backend",
@@ -147,9 +147,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-macros-backend"
-version = "0.18.1"
+version = "0.19.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dc1f43d8e30460f36350d18631ccf85ded64c059829208fe680904c65bcd0a4c"
+checksum = "60da7b84f1227c3e2fe7593505de274dcf4c8928b4e0a1c23d551a14e4e80a0f"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/test-crates/pyo3-bin/Cargo.toml b/test-crates/pyo3-bin/Cargo.toml
index e275fa444..afccf52aa 100644
--- a/test-crates/pyo3-bin/Cargo.toml
+++ b/test-crates/pyo3-bin/Cargo.toml
@@ -6,4 +6,4 @@ edition = "2021"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-pyo3 = { version = "0.18.0", features = ["auto-initialize"] }
+pyo3 = { version = "0.19.0", features = ["auto-initialize"] }
diff --git a/test-crates/pyo3-feature/Cargo.lock b/test-crates/pyo3-feature/Cargo.lock
index 92df7a152..2ba169d79 100644
--- a/test-crates/pyo3-feature/Cargo.lock
+++ b/test-crates/pyo3-feature/Cargo.lock
@@ -44,9 +44,9 @@ dependencies = [
 
 [[package]]
 name = "memoffset"
-version = "0.8.0"
+version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d61c719bcfbcf5d62b3a09efa6088de8c54bc0bfcd3ea7ae39fcc186108b8de1"
+checksum = "5a634b1c61a95585bd15607c6ab0c4e5b226e695ff2800ba0cdccddf208c406c"
 dependencies = [
  "autocfg",
 ]
@@ -91,9 +91,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3"
-version = "0.18.1"
+version = "0.19.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "06a3d8e8a46ab2738109347433cb7b96dffda2e4a218b03ef27090238886b147"
+checksum = "cffef52f74ec3b1a1baf295d9b8fcc3070327aefc39a6d00656b13c1d0b8885c"
 dependencies = [
  "cfg-if",
  "indoc",
@@ -108,9 +108,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-build-config"
-version = "0.18.1"
+version = "0.19.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "75439f995d07ddfad42b192dfcf3bc66a7ecfd8b4a1f5f6f046aa5c2c5d7677d"
+checksum = "713eccf888fb05f1a96eb78c0dbc51907fee42b3377272dc902eb38985f418d5"
 dependencies = [
  "once_cell",
  "target-lexicon",
@@ -125,9 +125,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-ffi"
-version = "0.18.1"
+version = "0.19.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "839526a5c07a17ff44823679b68add4a58004de00512a95b6c1c98a6dcac0ee5"
+checksum = "5b2ecbdcfb01cbbf56e179ce969a048fd7305a66d4cdf3303e0da09d69afe4c3"
 dependencies = [
  "libc",
  "pyo3-build-config",
@@ -135,9 +135,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-macros"
-version = "0.18.1"
+version = "0.19.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bd44cf207476c6a9760c4653559be4f206efafb924d3e4cbf2721475fc0d6cc5"
+checksum = "b78fdc0899f2ea781c463679b20cb08af9247febc8d052de941951024cd8aea0"
 dependencies = [
  "proc-macro2",
  "pyo3-macros-backend",
@@ -147,9 +147,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-macros-backend"
-version = "0.18.1"
+version = "0.19.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dc1f43d8e30460f36350d18631ccf85ded64c059829208fe680904c65bcd0a4c"
+checksum = "60da7b84f1227c3e2fe7593505de274dcf4c8928b4e0a1c23d551a14e4e80a0f"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/test-crates/pyo3-feature/Cargo.toml b/test-crates/pyo3-feature/Cargo.toml
index 67f3eca5b..f93b23ecb 100644
--- a/test-crates/pyo3-feature/Cargo.toml
+++ b/test-crates/pyo3-feature/Cargo.toml
@@ -5,4 +5,4 @@ version = "0.7.3"
 edition = "2021"
 
 [dependencies]
-pyo3 = { version = "0.18.0", optional = true }
+pyo3 = { version = "0.19.0", optional = true }
diff --git a/test-crates/pyo3-mixed-include-exclude/Cargo.lock b/test-crates/pyo3-mixed-include-exclude/Cargo.lock
index 5b67f3e7f..a1660774f 100644
--- a/test-crates/pyo3-mixed-include-exclude/Cargo.lock
+++ b/test-crates/pyo3-mixed-include-exclude/Cargo.lock
@@ -50,9 +50,9 @@ dependencies = [
 
 [[package]]
 name = "memoffset"
-version = "0.8.0"
+version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d61c719bcfbcf5d62b3a09efa6088de8c54bc0bfcd3ea7ae39fcc186108b8de1"
+checksum = "5a634b1c61a95585bd15607c6ab0c4e5b226e695ff2800ba0cdccddf208c406c"
 dependencies = [
  "autocfg",
 ]
@@ -97,9 +97,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3"
-version = "0.18.1"
+version = "0.19.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "06a3d8e8a46ab2738109347433cb7b96dffda2e4a218b03ef27090238886b147"
+checksum = "cffef52f74ec3b1a1baf295d9b8fcc3070327aefc39a6d00656b13c1d0b8885c"
 dependencies = [
  "cfg-if",
  "indoc",
@@ -114,9 +114,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-build-config"
-version = "0.18.1"
+version = "0.19.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "75439f995d07ddfad42b192dfcf3bc66a7ecfd8b4a1f5f6f046aa5c2c5d7677d"
+checksum = "713eccf888fb05f1a96eb78c0dbc51907fee42b3377272dc902eb38985f418d5"
 dependencies = [
  "once_cell",
  "python3-dll-a",
@@ -125,9 +125,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-ffi"
-version = "0.18.1"
+version = "0.19.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "839526a5c07a17ff44823679b68add4a58004de00512a95b6c1c98a6dcac0ee5"
+checksum = "5b2ecbdcfb01cbbf56e179ce969a048fd7305a66d4cdf3303e0da09d69afe4c3"
 dependencies = [
  "libc",
  "pyo3-build-config",
@@ -135,9 +135,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-macros"
-version = "0.18.1"
+version = "0.19.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bd44cf207476c6a9760c4653559be4f206efafb924d3e4cbf2721475fc0d6cc5"
+checksum = "b78fdc0899f2ea781c463679b20cb08af9247febc8d052de941951024cd8aea0"
 dependencies = [
  "proc-macro2",
  "pyo3-macros-backend",
@@ -147,9 +147,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-macros-backend"
-version = "0.18.1"
+version = "0.19.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dc1f43d8e30460f36350d18631ccf85ded64c059829208fe680904c65bcd0a4c"
+checksum = "60da7b84f1227c3e2fe7593505de274dcf4c8928b4e0a1c23d551a14e4e80a0f"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/test-crates/pyo3-mixed-include-exclude/Cargo.toml b/test-crates/pyo3-mixed-include-exclude/Cargo.toml
index a40d48e65..e2ead9418 100644
--- a/test-crates/pyo3-mixed-include-exclude/Cargo.toml
+++ b/test-crates/pyo3-mixed-include-exclude/Cargo.toml
@@ -6,7 +6,7 @@ description = "Implements a dummy function combining rust and python"
 edition = "2021"
 
 [dependencies]
-pyo3 = { version = "0.18.0", features = [
+pyo3 = { version = "0.19.0", features = [
   "extension-module",
   "generate-import-lib",
 ] }
diff --git a/test-crates/pyo3-mixed-py-subdir/Cargo.lock b/test-crates/pyo3-mixed-py-subdir/Cargo.lock
index 112f19c3d..4a17445bb 100644
--- a/test-crates/pyo3-mixed-py-subdir/Cargo.lock
+++ b/test-crates/pyo3-mixed-py-subdir/Cargo.lock
@@ -44,9 +44,9 @@ dependencies = [
 
 [[package]]
 name = "memoffset"
-version = "0.8.0"
+version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d61c719bcfbcf5d62b3a09efa6088de8c54bc0bfcd3ea7ae39fcc186108b8de1"
+checksum = "5a634b1c61a95585bd15607c6ab0c4e5b226e695ff2800ba0cdccddf208c406c"
 dependencies = [
  "autocfg",
 ]
@@ -91,9 +91,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3"
-version = "0.18.1"
+version = "0.19.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "06a3d8e8a46ab2738109347433cb7b96dffda2e4a218b03ef27090238886b147"
+checksum = "cffef52f74ec3b1a1baf295d9b8fcc3070327aefc39a6d00656b13c1d0b8885c"
 dependencies = [
  "cfg-if",
  "indoc",
@@ -108,9 +108,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-build-config"
-version = "0.18.1"
+version = "0.19.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "75439f995d07ddfad42b192dfcf3bc66a7ecfd8b4a1f5f6f046aa5c2c5d7677d"
+checksum = "713eccf888fb05f1a96eb78c0dbc51907fee42b3377272dc902eb38985f418d5"
 dependencies = [
  "once_cell",
  "target-lexicon",
@@ -118,9 +118,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-ffi"
-version = "0.18.1"
+version = "0.19.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "839526a5c07a17ff44823679b68add4a58004de00512a95b6c1c98a6dcac0ee5"
+checksum = "5b2ecbdcfb01cbbf56e179ce969a048fd7305a66d4cdf3303e0da09d69afe4c3"
 dependencies = [
  "libc",
  "pyo3-build-config",
@@ -128,9 +128,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-macros"
-version = "0.18.1"
+version = "0.19.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bd44cf207476c6a9760c4653559be4f206efafb924d3e4cbf2721475fc0d6cc5"
+checksum = "b78fdc0899f2ea781c463679b20cb08af9247febc8d052de941951024cd8aea0"
 dependencies = [
  "proc-macro2",
  "pyo3-macros-backend",
@@ -140,9 +140,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-macros-backend"
-version = "0.18.1"
+version = "0.19.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dc1f43d8e30460f36350d18631ccf85ded64c059829208fe680904c65bcd0a4c"
+checksum = "60da7b84f1227c3e2fe7593505de274dcf4c8928b4e0a1c23d551a14e4e80a0f"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/test-crates/pyo3-mixed-py-subdir/Cargo.toml b/test-crates/pyo3-mixed-py-subdir/Cargo.toml
index e6fe21af5..ba8ad8896 100644
--- a/test-crates/pyo3-mixed-py-subdir/Cargo.toml
+++ b/test-crates/pyo3-mixed-py-subdir/Cargo.toml
@@ -7,7 +7,7 @@ readme = "README.md"
 edition = "2021"
 
 [dependencies]
-pyo3 = { version = "0.18.0", features = ["extension-module"] }
+pyo3 = { version = "0.19.0", features = ["extension-module"] }
 
 [lib]
 name = "pyo3_mixed_py_subdir"
diff --git a/test-crates/pyo3-mixed-src/rust/Cargo.lock b/test-crates/pyo3-mixed-src/rust/Cargo.lock
index e4abda53c..298439ec3 100644
--- a/test-crates/pyo3-mixed-src/rust/Cargo.lock
+++ b/test-crates/pyo3-mixed-src/rust/Cargo.lock
@@ -50,9 +50,9 @@ dependencies = [
 
 [[package]]
 name = "memoffset"
-version = "0.8.0"
+version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d61c719bcfbcf5d62b3a09efa6088de8c54bc0bfcd3ea7ae39fcc186108b8de1"
+checksum = "5a634b1c61a95585bd15607c6ab0c4e5b226e695ff2800ba0cdccddf208c406c"
 dependencies = [
  "autocfg",
 ]
@@ -97,9 +97,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3"
-version = "0.18.1"
+version = "0.19.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "06a3d8e8a46ab2738109347433cb7b96dffda2e4a218b03ef27090238886b147"
+checksum = "cffef52f74ec3b1a1baf295d9b8fcc3070327aefc39a6d00656b13c1d0b8885c"
 dependencies = [
  "cfg-if",
  "indoc",
@@ -114,9 +114,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-build-config"
-version = "0.18.1"
+version = "0.19.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "75439f995d07ddfad42b192dfcf3bc66a7ecfd8b4a1f5f6f046aa5c2c5d7677d"
+checksum = "713eccf888fb05f1a96eb78c0dbc51907fee42b3377272dc902eb38985f418d5"
 dependencies = [
  "once_cell",
  "python3-dll-a",
@@ -125,9 +125,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-ffi"
-version = "0.18.1"
+version = "0.19.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "839526a5c07a17ff44823679b68add4a58004de00512a95b6c1c98a6dcac0ee5"
+checksum = "5b2ecbdcfb01cbbf56e179ce969a048fd7305a66d4cdf3303e0da09d69afe4c3"
 dependencies = [
  "libc",
  "pyo3-build-config",
@@ -135,9 +135,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-macros"
-version = "0.18.1"
+version = "0.19.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bd44cf207476c6a9760c4653559be4f206efafb924d3e4cbf2721475fc0d6cc5"
+checksum = "b78fdc0899f2ea781c463679b20cb08af9247febc8d052de941951024cd8aea0"
 dependencies = [
  "proc-macro2",
  "pyo3-macros-backend",
@@ -147,9 +147,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-macros-backend"
-version = "0.18.1"
+version = "0.19.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dc1f43d8e30460f36350d18631ccf85ded64c059829208fe680904c65bcd0a4c"
+checksum = "60da7b84f1227c3e2fe7593505de274dcf4c8928b4e0a1c23d551a14e4e80a0f"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/test-crates/pyo3-mixed-src/rust/Cargo.toml b/test-crates/pyo3-mixed-src/rust/Cargo.toml
index 22033d69e..45a6a2919 100644
--- a/test-crates/pyo3-mixed-src/rust/Cargo.toml
+++ b/test-crates/pyo3-mixed-src/rust/Cargo.toml
@@ -6,7 +6,7 @@ description = "Implements a dummy function combining rust and python"
 edition = "2021"
 
 [dependencies]
-pyo3 = { version = "0.18.0", features = ["extension-module", "generate-import-lib"] }
+pyo3 = { version = "0.19.0", features = ["extension-module", "generate-import-lib"] }
 
 [lib]
 name = "pyo3_mixed_src"
diff --git a/test-crates/pyo3-mixed-submodule/Cargo.lock b/test-crates/pyo3-mixed-submodule/Cargo.lock
index aa96b2f8a..05c5372ce 100644
--- a/test-crates/pyo3-mixed-submodule/Cargo.lock
+++ b/test-crates/pyo3-mixed-submodule/Cargo.lock
@@ -44,9 +44,9 @@ dependencies = [
 
 [[package]]
 name = "memoffset"
-version = "0.8.0"
+version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d61c719bcfbcf5d62b3a09efa6088de8c54bc0bfcd3ea7ae39fcc186108b8de1"
+checksum = "5a634b1c61a95585bd15607c6ab0c4e5b226e695ff2800ba0cdccddf208c406c"
 dependencies = [
  "autocfg",
 ]
@@ -91,9 +91,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3"
-version = "0.18.1"
+version = "0.19.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "06a3d8e8a46ab2738109347433cb7b96dffda2e4a218b03ef27090238886b147"
+checksum = "cffef52f74ec3b1a1baf295d9b8fcc3070327aefc39a6d00656b13c1d0b8885c"
 dependencies = [
  "cfg-if",
  "indoc",
@@ -108,9 +108,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-build-config"
-version = "0.18.1"
+version = "0.19.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "75439f995d07ddfad42b192dfcf3bc66a7ecfd8b4a1f5f6f046aa5c2c5d7677d"
+checksum = "713eccf888fb05f1a96eb78c0dbc51907fee42b3377272dc902eb38985f418d5"
 dependencies = [
  "once_cell",
  "target-lexicon",
@@ -118,9 +118,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-ffi"
-version = "0.18.1"
+version = "0.19.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "839526a5c07a17ff44823679b68add4a58004de00512a95b6c1c98a6dcac0ee5"
+checksum = "5b2ecbdcfb01cbbf56e179ce969a048fd7305a66d4cdf3303e0da09d69afe4c3"
 dependencies = [
  "libc",
  "pyo3-build-config",
@@ -128,9 +128,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-macros"
-version = "0.18.1"
+version = "0.19.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bd44cf207476c6a9760c4653559be4f206efafb924d3e4cbf2721475fc0d6cc5"
+checksum = "b78fdc0899f2ea781c463679b20cb08af9247febc8d052de941951024cd8aea0"
 dependencies = [
  "proc-macro2",
  "pyo3-macros-backend",
@@ -140,9 +140,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-macros-backend"
-version = "0.18.1"
+version = "0.19.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dc1f43d8e30460f36350d18631ccf85ded64c059829208fe680904c65bcd0a4c"
+checksum = "60da7b84f1227c3e2fe7593505de274dcf4c8928b4e0a1c23d551a14e4e80a0f"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/test-crates/pyo3-mixed-submodule/Cargo.toml b/test-crates/pyo3-mixed-submodule/Cargo.toml
index 5bf924c67..105721ba1 100644
--- a/test-crates/pyo3-mixed-submodule/Cargo.toml
+++ b/test-crates/pyo3-mixed-submodule/Cargo.toml
@@ -7,7 +7,7 @@ readme = "README.md"
 edition = "2021"
 
 [dependencies]
-pyo3 = { version = "0.18.0", features = ["extension-module"] }
+pyo3 = { version = "0.19.0", features = ["extension-module"] }
 
 [lib]
 name = "pyo3_mixed_submodule"
diff --git a/test-crates/pyo3-mixed/Cargo.lock b/test-crates/pyo3-mixed/Cargo.lock
index a422198cf..284006d41 100644
--- a/test-crates/pyo3-mixed/Cargo.lock
+++ b/test-crates/pyo3-mixed/Cargo.lock
@@ -50,9 +50,9 @@ dependencies = [
 
 [[package]]
 name = "memoffset"
-version = "0.8.0"
+version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d61c719bcfbcf5d62b3a09efa6088de8c54bc0bfcd3ea7ae39fcc186108b8de1"
+checksum = "5a634b1c61a95585bd15607c6ab0c4e5b226e695ff2800ba0cdccddf208c406c"
 dependencies = [
  "autocfg",
 ]
@@ -97,9 +97,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3"
-version = "0.18.1"
+version = "0.19.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "06a3d8e8a46ab2738109347433cb7b96dffda2e4a218b03ef27090238886b147"
+checksum = "cffef52f74ec3b1a1baf295d9b8fcc3070327aefc39a6d00656b13c1d0b8885c"
 dependencies = [
  "cfg-if",
  "indoc",
@@ -114,9 +114,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-build-config"
-version = "0.18.1"
+version = "0.19.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "75439f995d07ddfad42b192dfcf3bc66a7ecfd8b4a1f5f6f046aa5c2c5d7677d"
+checksum = "713eccf888fb05f1a96eb78c0dbc51907fee42b3377272dc902eb38985f418d5"
 dependencies = [
  "once_cell",
  "python3-dll-a",
@@ -125,9 +125,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-ffi"
-version = "0.18.1"
+version = "0.19.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "839526a5c07a17ff44823679b68add4a58004de00512a95b6c1c98a6dcac0ee5"
+checksum = "5b2ecbdcfb01cbbf56e179ce969a048fd7305a66d4cdf3303e0da09d69afe4c3"
 dependencies = [
  "libc",
  "pyo3-build-config",
@@ -135,9 +135,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-macros"
-version = "0.18.1"
+version = "0.19.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bd44cf207476c6a9760c4653559be4f206efafb924d3e4cbf2721475fc0d6cc5"
+checksum = "b78fdc0899f2ea781c463679b20cb08af9247febc8d052de941951024cd8aea0"
 dependencies = [
  "proc-macro2",
  "pyo3-macros-backend",
@@ -147,9 +147,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-macros-backend"
-version = "0.18.1"
+version = "0.19.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dc1f43d8e30460f36350d18631ccf85ded64c059829208fe680904c65bcd0a4c"
+checksum = "60da7b84f1227c3e2fe7593505de274dcf4c8928b4e0a1c23d551a14e4e80a0f"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/test-crates/pyo3-mixed/Cargo.toml b/test-crates/pyo3-mixed/Cargo.toml
index 19576da2b..b30af3389 100644
--- a/test-crates/pyo3-mixed/Cargo.toml
+++ b/test-crates/pyo3-mixed/Cargo.toml
@@ -6,7 +6,7 @@ description = "Implements a dummy function combining rust and python"
 edition = "2021"
 
 [dependencies]
-pyo3 = { version = "0.18.0", features = ["extension-module", "generate-import-lib"] }
+pyo3 = { version = "0.19.0", features = ["extension-module", "generate-import-lib"] }
 
 [lib]
 name = "pyo3_mixed"
diff --git a/test-crates/pyo3-no-extension-module/Cargo.toml b/test-crates/pyo3-no-extension-module/Cargo.toml
index 8f352c2c4..8278fdc9e 100644
--- a/test-crates/pyo3-no-extension-module/Cargo.toml
+++ b/test-crates/pyo3-no-extension-module/Cargo.toml
@@ -6,7 +6,7 @@ description = "Does not use the extension-module feature, thus erroneously linki
 edition = "2021"
 
 [dependencies]
-pyo3 = { version = "0.18.0", default-features = false }
+pyo3 = { version = "0.19.0", default-features = false }
 
 [lib]
 name = "pyo3_no_extension_module"
diff --git a/test-crates/pyo3-pure/Cargo.lock b/test-crates/pyo3-pure/Cargo.lock
index 69838cffc..dba396a15 100644
--- a/test-crates/pyo3-pure/Cargo.lock
+++ b/test-crates/pyo3-pure/Cargo.lock
@@ -54,9 +54,9 @@ dependencies = [
 
 [[package]]
 name = "memoffset"
-version = "0.8.0"
+version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d61c719bcfbcf5d62b3a09efa6088de8c54bc0bfcd3ea7ae39fcc186108b8de1"
+checksum = "5a634b1c61a95585bd15607c6ab0c4e5b226e695ff2800ba0cdccddf208c406c"
 dependencies = [
  "autocfg",
 ]
@@ -101,9 +101,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3"
-version = "0.18.1"
+version = "0.19.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "06a3d8e8a46ab2738109347433cb7b96dffda2e4a218b03ef27090238886b147"
+checksum = "cffef52f74ec3b1a1baf295d9b8fcc3070327aefc39a6d00656b13c1d0b8885c"
 dependencies = [
  "cfg-if",
  "indoc",
@@ -118,9 +118,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-build-config"
-version = "0.18.1"
+version = "0.19.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "75439f995d07ddfad42b192dfcf3bc66a7ecfd8b4a1f5f6f046aa5c2c5d7677d"
+checksum = "713eccf888fb05f1a96eb78c0dbc51907fee42b3377272dc902eb38985f418d5"
 dependencies = [
  "once_cell",
  "python3-dll-a",
@@ -129,9 +129,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-ffi"
-version = "0.18.1"
+version = "0.19.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "839526a5c07a17ff44823679b68add4a58004de00512a95b6c1c98a6dcac0ee5"
+checksum = "5b2ecbdcfb01cbbf56e179ce969a048fd7305a66d4cdf3303e0da09d69afe4c3"
 dependencies = [
  "libc",
  "pyo3-build-config",
@@ -139,9 +139,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-macros"
-version = "0.18.1"
+version = "0.19.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bd44cf207476c6a9760c4653559be4f206efafb924d3e4cbf2721475fc0d6cc5"
+checksum = "b78fdc0899f2ea781c463679b20cb08af9247febc8d052de941951024cd8aea0"
 dependencies = [
  "proc-macro2",
  "pyo3-macros-backend",
@@ -151,9 +151,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-macros-backend"
-version = "0.18.1"
+version = "0.19.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dc1f43d8e30460f36350d18631ccf85ded64c059829208fe680904c65bcd0a4c"
+checksum = "60da7b84f1227c3e2fe7593505de274dcf4c8928b4e0a1c23d551a14e4e80a0f"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/test-crates/pyo3-pure/Cargo.toml b/test-crates/pyo3-pure/Cargo.toml
index 048f544bf..010f33e5d 100644
--- a/test-crates/pyo3-pure/Cargo.toml
+++ b/test-crates/pyo3-pure/Cargo.toml
@@ -7,7 +7,7 @@ description = "Implements a dummy function (get_fortytwo.DummyClass.get_42()) in
 license = "MIT"
 
 [dependencies]
-pyo3 = { version = "0.18.0", features = ["abi3-py37", "extension-module", "generate-import-lib"] }
+pyo3 = { version = "0.19.0", features = ["abi3-py37", "extension-module", "generate-import-lib"] }
 
 [lib]
 name = "pyo3_pure"
diff --git a/test-crates/sdist_with_path_dep/Cargo.lock b/test-crates/sdist_with_path_dep/Cargo.lock
index f556216f8..26f64a536 100644
--- a/test-crates/sdist_with_path_dep/Cargo.lock
+++ b/test-crates/sdist_with_path_dep/Cargo.lock
@@ -38,9 +38,9 @@ dependencies = [
 
 [[package]]
 name = "memoffset"
-version = "0.8.0"
+version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d61c719bcfbcf5d62b3a09efa6088de8c54bc0bfcd3ea7ae39fcc186108b8de1"
+checksum = "5a634b1c61a95585bd15607c6ab0c4e5b226e695ff2800ba0cdccddf208c406c"
 dependencies = [
  "autocfg",
 ]
@@ -76,9 +76,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3"
-version = "0.18.1"
+version = "0.19.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "06a3d8e8a46ab2738109347433cb7b96dffda2e4a218b03ef27090238886b147"
+checksum = "cffef52f74ec3b1a1baf295d9b8fcc3070327aefc39a6d00656b13c1d0b8885c"
 dependencies = [
  "cfg-if",
  "libc",
@@ -90,9 +90,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-build-config"
-version = "0.18.1"
+version = "0.19.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "75439f995d07ddfad42b192dfcf3bc66a7ecfd8b4a1f5f6f046aa5c2c5d7677d"
+checksum = "713eccf888fb05f1a96eb78c0dbc51907fee42b3377272dc902eb38985f418d5"
 dependencies = [
  "once_cell",
  "target-lexicon",
@@ -100,9 +100,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-ffi"
-version = "0.18.1"
+version = "0.19.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "839526a5c07a17ff44823679b68add4a58004de00512a95b6c1c98a6dcac0ee5"
+checksum = "5b2ecbdcfb01cbbf56e179ce969a048fd7305a66d4cdf3303e0da09d69afe4c3"
 dependencies = [
  "libc",
  "pyo3-build-config",
diff --git a/test-crates/sdist_with_path_dep/Cargo.toml b/test-crates/sdist_with_path_dep/Cargo.toml
index f9f5488cf..46dc233d0 100644
--- a/test-crates/sdist_with_path_dep/Cargo.toml
+++ b/test-crates/sdist_with_path_dep/Cargo.toml
@@ -9,5 +9,5 @@ crate-type = ["cdylib"]
 
 [dependencies]
 # Don't use the macros feature, which makes compilation much faster
-pyo3 = { version = "0.18.0", default-features = false, features = ["extension-module"] }
+pyo3 = { version = "0.19.0", default-features = false, features = ["extension-module"] }
 some_path_dep = { path = "../some_path_dep" }
diff --git a/test-crates/sdist_with_target_path_dep/Cargo.lock b/test-crates/sdist_with_target_path_dep/Cargo.lock
index bc857bd5f..c66cfc0f5 100644
--- a/test-crates/sdist_with_target_path_dep/Cargo.lock
+++ b/test-crates/sdist_with_target_path_dep/Cargo.lock
@@ -38,9 +38,9 @@ dependencies = [
 
 [[package]]
 name = "memoffset"
-version = "0.8.0"
+version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d61c719bcfbcf5d62b3a09efa6088de8c54bc0bfcd3ea7ae39fcc186108b8de1"
+checksum = "5a634b1c61a95585bd15607c6ab0c4e5b226e695ff2800ba0cdccddf208c406c"
 dependencies = [
  "autocfg",
 ]
@@ -76,9 +76,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3"
-version = "0.18.3"
+version = "0.19.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e3b1ac5b3731ba34fdaa9785f8d74d17448cd18f30cf19e0c7e7b1fdb5272109"
+checksum = "cffef52f74ec3b1a1baf295d9b8fcc3070327aefc39a6d00656b13c1d0b8885c"
 dependencies = [
  "cfg-if",
  "libc",
@@ -90,9 +90,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-build-config"
-version = "0.18.3"
+version = "0.19.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9cb946f5ac61bb61a5014924910d936ebd2b23b705f7a4a3c40b05c720b079a3"
+checksum = "713eccf888fb05f1a96eb78c0dbc51907fee42b3377272dc902eb38985f418d5"
 dependencies = [
  "once_cell",
  "target-lexicon",
@@ -100,9 +100,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-ffi"
-version = "0.18.3"
+version = "0.19.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fd4d7c5337821916ea2a1d21d1092e8443cf34879e53a0ac653fbb98f44ff65c"
+checksum = "5b2ecbdcfb01cbbf56e179ce969a048fd7305a66d4cdf3303e0da09d69afe4c3"
 dependencies = [
  "libc",
  "pyo3-build-config",
diff --git a/test-crates/sdist_with_target_path_dep/Cargo.toml b/test-crates/sdist_with_target_path_dep/Cargo.toml
index 70a9af7d3..129d425ba 100644
--- a/test-crates/sdist_with_target_path_dep/Cargo.toml
+++ b/test-crates/sdist_with_target_path_dep/Cargo.toml
@@ -9,7 +9,7 @@ crate-type = ["cdylib"]
 
 [dependencies]
 # Don't use the macros feature, which makes compilation much faster
-pyo3 = { version = "0.18.0", default-features = false, features = ["extension-module"] }
+pyo3 = { version = "0.19.0", default-features = false, features = ["extension-module"] }
 
 [target.'cfg(not(target_endian = "all-over-the-place"))'.dependencies]
 some_path_dep = { path = "../some_path_dep" }
diff --git a/test-crates/workspace-inheritance/Cargo.lock b/test-crates/workspace-inheritance/Cargo.lock
index 8c58d235b..9e9cac22c 100644
--- a/test-crates/workspace-inheritance/Cargo.lock
+++ b/test-crates/workspace-inheritance/Cargo.lock
@@ -59,9 +59,9 @@ dependencies = [
 
 [[package]]
 name = "memoffset"
-version = "0.8.0"
+version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d61c719bcfbcf5d62b3a09efa6088de8c54bc0bfcd3ea7ae39fcc186108b8de1"
+checksum = "5a634b1c61a95585bd15607c6ab0c4e5b226e695ff2800ba0cdccddf208c406c"
 dependencies = [
  "autocfg",
 ]
@@ -112,9 +112,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3"
-version = "0.18.1"
+version = "0.19.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "06a3d8e8a46ab2738109347433cb7b96dffda2e4a218b03ef27090238886b147"
+checksum = "cffef52f74ec3b1a1baf295d9b8fcc3070327aefc39a6d00656b13c1d0b8885c"
 dependencies = [
  "cfg-if",
  "indoc",
@@ -129,9 +129,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-build-config"
-version = "0.18.1"
+version = "0.19.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "75439f995d07ddfad42b192dfcf3bc66a7ecfd8b4a1f5f6f046aa5c2c5d7677d"
+checksum = "713eccf888fb05f1a96eb78c0dbc51907fee42b3377272dc902eb38985f418d5"
 dependencies = [
  "once_cell",
  "target-lexicon",
@@ -139,9 +139,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-ffi"
-version = "0.18.1"
+version = "0.19.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "839526a5c07a17ff44823679b68add4a58004de00512a95b6c1c98a6dcac0ee5"
+checksum = "5b2ecbdcfb01cbbf56e179ce969a048fd7305a66d4cdf3303e0da09d69afe4c3"
 dependencies = [
  "libc",
  "pyo3-build-config",
@@ -149,9 +149,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-macros"
-version = "0.18.1"
+version = "0.19.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bd44cf207476c6a9760c4653559be4f206efafb924d3e4cbf2721475fc0d6cc5"
+checksum = "b78fdc0899f2ea781c463679b20cb08af9247febc8d052de941951024cd8aea0"
 dependencies = [
  "proc-macro2",
  "pyo3-macros-backend",
@@ -161,9 +161,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-macros-backend"
-version = "0.18.1"
+version = "0.19.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dc1f43d8e30460f36350d18631ccf85ded64c059829208fe680904c65bcd0a4c"
+checksum = "60da7b84f1227c3e2fe7593505de274dcf4c8928b4e0a1c23d551a14e4e80a0f"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/test-crates/workspace-inheritance/python/Cargo.toml b/test-crates/workspace-inheritance/python/Cargo.toml
index 0d256fff5..3065f1a2e 100644
--- a/test-crates/workspace-inheritance/python/Cargo.toml
+++ b/test-crates/workspace-inheritance/python/Cargo.toml
@@ -9,7 +9,7 @@ name = "workspace_inheritance"
 crate-type = ["cdylib"]
 
 [dependencies]
-pyo3 = { version = "0.18.0", features = ["extension-module"] }
+pyo3 = { version = "0.19.0", features = ["extension-module"] }
 generic_lib.workspace = true
 
 [dependencies.libc]
diff --git a/test-crates/workspace_with_path_dep/Cargo.lock b/test-crates/workspace_with_path_dep/Cargo.lock
index 64a539771..79a1622d6 100644
--- a/test-crates/workspace_with_path_dep/Cargo.lock
+++ b/test-crates/workspace_with_path_dep/Cargo.lock
@@ -55,9 +55,9 @@ dependencies = [
 
 [[package]]
 name = "memoffset"
-version = "0.8.0"
+version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d61c719bcfbcf5d62b3a09efa6088de8c54bc0bfcd3ea7ae39fcc186108b8de1"
+checksum = "5a634b1c61a95585bd15607c6ab0c4e5b226e695ff2800ba0cdccddf208c406c"
 dependencies = [
  "autocfg",
 ]
@@ -102,9 +102,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3"
-version = "0.18.1"
+version = "0.19.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "06a3d8e8a46ab2738109347433cb7b96dffda2e4a218b03ef27090238886b147"
+checksum = "cffef52f74ec3b1a1baf295d9b8fcc3070327aefc39a6d00656b13c1d0b8885c"
 dependencies = [
  "cfg-if",
  "indoc",
@@ -119,9 +119,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-build-config"
-version = "0.18.1"
+version = "0.19.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "75439f995d07ddfad42b192dfcf3bc66a7ecfd8b4a1f5f6f046aa5c2c5d7677d"
+checksum = "713eccf888fb05f1a96eb78c0dbc51907fee42b3377272dc902eb38985f418d5"
 dependencies = [
  "once_cell",
  "target-lexicon",
@@ -129,9 +129,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-ffi"
-version = "0.18.1"
+version = "0.19.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "839526a5c07a17ff44823679b68add4a58004de00512a95b6c1c98a6dcac0ee5"
+checksum = "5b2ecbdcfb01cbbf56e179ce969a048fd7305a66d4cdf3303e0da09d69afe4c3"
 dependencies = [
  "libc",
  "pyo3-build-config",
@@ -139,9 +139,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-macros"
-version = "0.18.1"
+version = "0.19.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bd44cf207476c6a9760c4653559be4f206efafb924d3e4cbf2721475fc0d6cc5"
+checksum = "b78fdc0899f2ea781c463679b20cb08af9247febc8d052de941951024cd8aea0"
 dependencies = [
  "proc-macro2",
  "pyo3-macros-backend",
@@ -151,9 +151,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-macros-backend"
-version = "0.18.1"
+version = "0.19.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dc1f43d8e30460f36350d18631ccf85ded64c059829208fe680904c65bcd0a4c"
+checksum = "60da7b84f1227c3e2fe7593505de274dcf4c8928b4e0a1c23d551a14e4e80a0f"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/test-crates/workspace_with_path_dep/python/Cargo.toml b/test-crates/workspace_with_path_dep/python/Cargo.toml
index 1e2aa2fc4..b913ef120 100644
--- a/test-crates/workspace_with_path_dep/python/Cargo.toml
+++ b/test-crates/workspace_with_path_dep/python/Cargo.toml
@@ -8,5 +8,5 @@ edition = "2021"
 crate-type = ["cdylib"]
 
 [dependencies]
-pyo3 = { version = "0.18.0", features = ["extension-module"] }
+pyo3 = { version = "0.19.0", features = ["extension-module"] }
 generic_lib = { path = "../generic_lib" }
diff --git a/tests/run.rs b/tests/run.rs
index 750d998c0..06790c0c0 100644
--- a/tests/run.rs
+++ b/tests/run.rs
@@ -454,7 +454,7 @@ fn workspace_members_non_local_dep_sdist() {
         license = "MIT"
 
         [dependencies]
-        pyo3 = { version = "0.18.0", features = ["abi3-py37", "extension-module", "generate-import-lib"] }
+        pyo3 = { version = "0.19.0", features = ["abi3-py37", "extension-module", "generate-import-lib"] }
 
         [lib]
         name = "pyo3_pure"
@@ -518,7 +518,7 @@ fn lib_with_target_path_dep() {
 
         [dependencies]
         # Don't use the macros feature, which makes compilation much faster
-        pyo3 = { version = "0.18.0", default-features = false, features = ["extension-module"] }
+        pyo3 = { version = "0.19.0", default-features = false, features = ["extension-module"] }
 
         [target.'cfg(not(target_endian = "all-over-the-place"))'.dependencies]
         some_path_dep = { path = "local_dependencies/some_path_dep" }