diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 6c1911d..95a72cf 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -9,9 +9,9 @@ jobs:
   pre-commit:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - uses: actions/setup-python@v6
-    - uses: actions/cache@v4
+    - uses: actions/cache@v5
       with:
         path: ~/.cache/pre-commit
         key: pre-commit|${{ env.pythonLocation }}|${{ hashFiles('.pre-commit-config.yaml') }}
@@ -21,7 +21,7 @@ jobs:
     name: Build docs and check links
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - uses: pandoc/actions/setup@v1
     - uses: actions/setup-python@v6
       with:
diff --git a/.github/workflows/pages.yml b/.github/workflows/pages.yml
index f123301..dd542e3 100644
--- a/.github/workflows/pages.yml
+++ b/.github/workflows/pages.yml
@@ -29,7 +29,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: Install packages
         run: sudo apt install plantuml
       - name: Setup pandoc