diff --git a/CHANGELOG.md b/CHANGELOG.md
index 028758536239..c5b34dcd8385 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,6 +10,7 @@ for Rust libraries in [RFC #1105](https://github.com/rust-lang/rfcs/blob/master/
 
 * Fixed a use-after-free issue in the `QueryableByName` implementation
   of our `Sqlite` backend
+* Updated several dependencies
 
 ## [1.4.5] - 2020-06-09
 
diff --git a/diesel/Cargo.toml b/diesel/Cargo.toml
index 4c129ec20806..24ad2afe8fc5 100644
--- a/diesel/Cargo.toml
+++ b/diesel/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "diesel"
-version = "1.4.6"
+version = "1.4.5"
 authors = ["Sean Griffin <sean@seantheprogrammer.com>"]
 license = "MIT OR Apache-2.0"
 description = "A safe, extensible ORM and Query Builder for PostgreSQL, SQLite, and MySQL"
@@ -16,7 +16,7 @@ byteorder = "1.0"
 diesel_derives = "~1.4.0"
 chrono = { version = "0.4", optional = true }
 libc = { version = "0.2.0", optional = true }
-libsqlite3-sys = { version = ">=0.8.0, <0.19.0", optional = true, features = ["min_sqlite_version_3_7_16"] }
+libsqlite3-sys = { version = ">=0.8.0, <0.21.0", optional = true, features = ["min_sqlite_version_3_7_16"] }
 mysqlclient-sys = { version = ">=0.1.0, <0.3.0", optional = true }
 pq-sys = { version = ">=0.3.0, <0.5.0", optional = true }
 quickcheck = { version = "0.4", optional = true }
@@ -25,11 +25,11 @@ time = { version = "0.1", optional = true }
 url = { version = "1.4.0", optional = true }
 uuid = { version = ">=0.2.0, <0.7.0", optional = true, features = ["use_std"] }
 uuidv07 = { version = ">=0.7.0, <0.9.0", optional = true, package = "uuid"}
-ipnetwork = { version = ">=0.12.2, <0.17.0", optional = true }
-num-bigint = { version = ">=0.1.41, <0.3", optional = true }
+ipnetwork = { version = ">=0.12.2, <0.18.0", optional = true }
+num-bigint = { version = ">=0.1.41, <0.4", optional = true }
 num-traits = { version = ">=0.1.37, <0.3", optional = true }
 num-integer = { version = ">=0.1.33, <0.3", optional = true }
-bigdecimal = { version = ">= 0.0.10, < 0.2.0", optional = true }
+bigdecimal = { version = ">= 0.0.10, < 0.3.0", optional = true }
 bitflags = { version = "1.0", optional = true }
 r2d2 = { version = ">= 0.8, < 0.9", optional = true }
 
diff --git a/diesel_cli/Cargo.toml b/diesel_cli/Cargo.toml
index f12bfbaa3507..fafa4a160cdb 100644
--- a/diesel_cli/Cargo.toml
+++ b/diesel_cli/Cargo.toml
@@ -27,7 +27,7 @@ tempfile = "3.0.0"
 toml = "0.4.6"
 url = { version = "1.4.0", optional = true }
 barrel = { version = ">= 0.5.0", optional = true, features = ["diesel"] }
-libsqlite3-sys = { version = ">=0.8.0, <0.19.0", optional = true, features = ["min_sqlite_version_3_7_16"] }
+libsqlite3-sys = { version = ">=0.8.0, <0.21.0", optional = true, features = ["min_sqlite_version_3_7_16"] }
 
 [dev-dependencies]
 difference = "1.0"
diff --git a/diesel_tests/Cargo.toml b/diesel_tests/Cargo.toml
index 533bad308b14..dd3b7b77847a 100644
--- a/diesel_tests/Cargo.toml
+++ b/diesel_tests/Cargo.toml
@@ -21,8 +21,8 @@ dotenv = ">=0.8, <0.11"
 quickcheck = { version = "0.4", features = ["unstable"] }
 uuid = { version = ">=0.7.0, <0.9.0" }
 serde_json = { version=">=0.9, <2.0" }
-ipnetwork = ">=0.12.2, <0.17.0"
-bigdecimal = ">= 0.0.10, <= 0.1.0"
+ipnetwork = ">=0.12.2, <0.18.0"
+bigdecimal = ">= 0.0.10, < 0.3.0"
 
 [features]
 default = []