diff --git a/.github/workflows/fortnightly.yml b/.github/workflows/fortnightly.yml
index cd5689f..dcf49f0 100644
--- a/.github/workflows/fortnightly.yml
+++ b/.github/workflows/fortnightly.yml
@@ -47,7 +47,7 @@ jobs:
       with:
         fetch-depth: 0
     - name: Set up Python
-      uses: actions/setup-python@v4
+      uses: actions/setup-python@v5
       with:
         python-version: ${{ matrix.python }}
     - name: Install Python dependencies
diff --git a/.github/workflows/testing.yml b/.github/workflows/testing.yml
index 77d3c44..228346d 100644
--- a/.github/workflows/testing.yml
+++ b/.github/workflows/testing.yml
@@ -46,7 +46,7 @@ jobs:
       with:
         fetch-depth: 0
     - name: Set up Python
-      uses: actions/setup-python@v4
+      uses: actions/setup-python@v5
       with:
         python-version: ${{ matrix.python }}
     - name: Install Python dependencies
@@ -69,7 +69,7 @@ jobs:
       with:
         fetch-depth: 0
     - name: Set up Python
-      uses: actions/setup-python@v4
+      uses: actions/setup-python@v5
       with:
         python-version: 3.8
     - name: Install Python dependencies