diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 8c237a6e1..013a234cb 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -157,7 +157,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: actions/setup-python@v4
+      - uses: actions/setup-python@v5
       - run: pip install coverage
 
       - uses: actions/download-artifact@v3
diff --git a/.github/workflows/release.yaml b/.github/workflows/release.yaml
index 8df89a674..cd203118c 100644
--- a/.github/workflows/release.yaml
+++ b/.github/workflows/release.yaml
@@ -14,7 +14,7 @@ jobs:
         with:
           # Fetch all branches and tags.
           fetch-depth: 0
-      - uses: actions/setup-python@v4
+      - uses: actions/setup-python@v5
         with:
           python-version: '3.10'
       - name: Set Nextstrain bot as git user
diff --git a/.github/workflows/sync-redirects.yaml b/.github/workflows/sync-redirects.yaml
index 85bb48e8f..39d39c5cb 100644
--- a/.github/workflows/sync-redirects.yaml
+++ b/.github/workflows/sync-redirects.yaml
@@ -16,7 +16,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: actions/setup-python@v4
+      - uses: actions/setup-python@v5
 
       - name: Upgrade Python toolchain
         run: python3 -m pip install --upgrade pip setuptools wheel