diff --git a/.github/workflows/build-and-publish-main.yml b/.github/workflows/build-and-publish-main.yml
index 1c3b73d4..a9fbe87a 100644
--- a/.github/workflows/build-and-publish-main.yml
+++ b/.github/workflows/build-and-publish-main.yml
@@ -21,7 +21,7 @@ jobs:
     if: ${{ !contains(github.event.head_commit.message, 'ci skip') }}
     steps:
       - name: Checkout Repository
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
 
       - name: Set up JDK 11
         uses: actions/setup-java@v4
@@ -66,7 +66,7 @@ jobs:
       contents: write
     steps:
       - name: Checkout main
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
 
       - name: Deploy docs
         uses: mhausenblas/mkdocs-deploy-gh-pages@1.26
diff --git a/.github/workflows/build-pull-request.yml b/.github/workflows/build-pull-request.yml
index 6e1117bb..04a79ca8 100644
--- a/.github/workflows/build-pull-request.yml
+++ b/.github/workflows/build-pull-request.yml
@@ -11,7 +11,7 @@ jobs:
     if: ${{ !contains(github.event.head_commit.message, 'ci skip') }}
     steps:
       - name: Checkout Repository
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
 
       - name: Set up JDK 11
         uses: actions/setup-java@v4