diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 936c7bd9..4ede95de 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -14,7 +14,7 @@ jobs:
     steps:
     - uses: actions/checkout@v4
     - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v4
+      uses: actions/setup-python@v5
       with:
         python-version: ${{ matrix.python-version }}
     - name: Setup Compiler
diff --git a/.github/workflows/build_docs.yml b/.github/workflows/build_docs.yml
index ed9b8836..cc2564ac 100644
--- a/.github/workflows/build_docs.yml
+++ b/.github/workflows/build_docs.yml
@@ -13,7 +13,7 @@ jobs:
         git config --global user.email "metomi@metoffice.gov.uk"
         git config --global user.name "SciFab Developers"
     - uses: actions/checkout@v3
-    - uses: actions/setup-python@v4
+    - uses: actions/setup-python@v5
       with:
         python-version: '3.x'
     - name: install fab