diff --git a/.github/actions/setup-python-env/action.yml b/.github/actions/setup-python-env/action.yml
index de38929..5de3d9d 100644
--- a/.github/actions/setup-python-env/action.yml
+++ b/.github/actions/setup-python-env/action.yml
@@ -19,7 +19,7 @@ runs:
   using: composite
   steps:
     - name: Set up uv
-      uses: astral-sh/setup-uv@v5
+      uses: astral-sh/setup-uv@f0ec1fc3b38f5e7cd731bb6ce540c5af426746bb # v5.4.2
       with:
         python-version: ${{ inputs.python-version }}
         enable-cache: true