diff --git a/Cargo.lock b/Cargo.lock
index 0c0984e11..95c4f932a 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -194,9 +194,9 @@ dependencies = [
 
 [[package]]
 name = "cargo-config2"
-version = "0.1.8"
+version = "0.1.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "41d622c3fcbf7cbd550bd4df0cd519724857608af8c1d16599e5d42f9af4abef"
+checksum = "a393492158d1198da424057afeadc96af9330d76d12e56d131a7a5302524ac65"
 dependencies = [
  "cfg-expr",
  "home",
diff --git a/Cargo.toml b/Cargo.toml
index f289c2e7c..cbc22a53a 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -38,7 +38,7 @@ name = "maturin"
 anyhow = "1.0.63"
 base64 = "0.21.0"
 glob = "0.3.0"
-cargo-config2 = "0.1.4"
+cargo-config2 = "0.1.9"
 cargo_metadata = "0.17.0"
 cargo-options = "0.6.0"
 cbindgen = { version = "0.25.0", default-features = false }