diff --git a/.github/workflows/release_pypi.yml b/.github/workflows/release_pypi.yml
index ea6490c..1e2484a 100644
--- a/.github/workflows/release_pypi.yml
+++ b/.github/workflows/release_pypi.yml
@@ -17,7 +17,7 @@ jobs:
         python-version: ['3.8', '3.9', '3.10', '3.11', '3.12']
     steps:
         # checkout the repo
-        - uses: actions/checkout@v5
+        - uses: actions/checkout@v6
         # setup python environment
         - name: Set up Python ${{ matrix.python-version }}
           uses: actions/setup-python@v6
@@ -43,7 +43,7 @@ jobs:
       id-token: write
     steps:
         # checkout the repo
-        - uses: actions/checkout@v5
+        - uses: actions/checkout@v6
           with:
             # fetch complete history because it's needed by Poetry
             fetch-depth: 0