diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index cf00a70..4e91ba1 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -12,7 +12,7 @@ jobs:
     container: ghcr.io/wildarch/graphalg-ci
     steps:
       - name: Checkout
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
       - name: Build codemirror-lang-graphalg
         shell: bash
         run: |
diff --git a/.github/workflows/pages.yml b/.github/workflows/pages.yml
index bf70ac2..e3af996 100644
--- a/.github/workflows/pages.yml
+++ b/.github/workflows/pages.yml
@@ -31,7 +31,7 @@ jobs:
     container: ghcr.io/wildarch/graphalg-ci
     steps:
       - name: Checkout
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
 
       # The playground and its dependencies, because they are used in pages.
       - name: Build codemirror-lang-graphalg