diff --git a/.github/workflows/wheels.yml b/.github/workflows/wheels.yml
index d9a2acf4..1bc968c0 100644
--- a/.github/workflows/wheels.yml
+++ b/.github/workflows/wheels.yml
@@ -70,7 +70,7 @@ jobs:
         submodules: recursive
         fetch-depth: 0  # Full history needed for build number (git rev-list --count HEAD)
 
-    - uses: pypa/cibuildwheel@b3395e271a35f73dad77f21802abe9b986dfe299  # v4.3.1
+    - uses: pypa/cibuildwheel@b9e566a2b284570af229f6c2a33673410d0389a3  # v4.3.4
 
     - name: Verify clean directory
       run: git diff --exit-code
diff --git a/.github/workflows/wheels_minimal.yml b/.github/workflows/wheels_minimal.yml
index abaac575..ec0126fa 100644
--- a/.github/workflows/wheels_minimal.yml
+++ b/.github/workflows/wheels_minimal.yml
@@ -48,7 +48,7 @@ jobs:
         submodules: recursive
 
     - name: Build wheels (Python 3.14 only, minimal)
-      uses: pypa/cibuildwheel@b3395e271a35f73dad77f21802abe9b986dfe299  # v4.3.1
+      uses: pypa/cibuildwheel@b9e566a2b284570af229f6c2a33673410d0389a3  # v4.3.4
       env:
         # Build only Python 3.14 to save CI time and space
         CIBW_BUILD: "cp314-*"