diff --git a/.github/workflows/1_create_release_pr.yml b/.github/workflows/1_create_release_pr.yml
index 056bb7cd2..3919755f6 100644
--- a/.github/workflows/1_create_release_pr.yml
+++ b/.github/workflows/1_create_release_pr.yml
@@ -29,7 +29,7 @@ jobs:
         uses: cylc/release-actions/check-shortlog@v1
 
       - name: Setup Python
-        uses: actions/setup-python@v4
+        uses: actions/setup-python@v5
         with:
           # return to 3.x once cylc-flow is compatible with 3.10+ (pyuv)
           python-version: '3.9'
diff --git a/.github/workflows/2_auto_publish_release.yml b/.github/workflows/2_auto_publish_release.yml
index 85ab58ad7..b8b750fe8 100644
--- a/.github/workflows/2_auto_publish_release.yml
+++ b/.github/workflows/2_auto_publish_release.yml
@@ -27,7 +27,7 @@ jobs:
         ref: ${{ env.MERGE_SHA }}
 
     - name: Setup Python
-      uses: actions/setup-python@v4
+      uses: actions/setup-python@v5
       with:
         # return to 3.x once cylc-flow is compatible with 3.10+ (pyuv)
         python-version: '3.9'
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index e64772df7..21ff029e2 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -57,7 +57,7 @@ jobs:
           path: rose
 
       - name: Configure Python
-        uses: actions/setup-python@v4
+        uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python-version }}
 
@@ -209,7 +209,7 @@ jobs:
           ref: ${{ inputs.rose_ref || github.sha }}
 
       - name: Configure Python
-        uses: actions/setup-python@v4
+        uses: actions/setup-python@v5
         with:
           python-version: 3.7
 
diff --git a/.github/workflows/test_rsync_test_script.yml b/.github/workflows/test_rsync_test_script.yml
index 92461189d..878ba58da 100644
--- a/.github/workflows/test_rsync_test_script.yml
+++ b/.github/workflows/test_rsync_test_script.yml
@@ -35,7 +35,7 @@ jobs:
 
       - name: Configure Python
         id: configure-py
-        uses: actions/setup-python@v4
+        uses: actions/setup-python@v5
         continue-on-error: true
         with:
           python-version: ${{ matrix.python-version }}