diff --git a/.github/workflows/python-unittest.yml b/.github/workflows/python-unittest.yml
index 269c30c..3a21cf5 100644
--- a/.github/workflows/python-unittest.yml
+++ b/.github/workflows/python-unittest.yml
@@ -19,7 +19,7 @@ jobs:
         virtualenvs-in-project: true
 
     - name: Set up Python
-      uses: actions/setup-python@v4
+      uses: actions/setup-python@0b93645e9fea7318ecaed2b359559ac225c90a2b # v5
       with:
         python-version: "3.9"
         cache: "poetry"
diff --git a/.github/workflows/weekly_csv_release.yml b/.github/workflows/weekly_csv_release.yml
index 36e52ec..cc3e926 100644
--- a/.github/workflows/weekly_csv_release.yml
+++ b/.github/workflows/weekly_csv_release.yml
@@ -20,7 +20,7 @@ jobs:
             virtualenvs-in-project: true
 
         - name: Set up Python
-          uses: actions/setup-python@v4
+          uses: actions/setup-python@0b93645e9fea7318ecaed2b359559ac225c90a2b # v5
           with:
             python-version: "3.9"
             cache: "poetry"