diff --git a/.github/workflows/buildbot.yml b/.github/workflows/buildbot.yml
index e517365e..fa3990af 100644
--- a/.github/workflows/buildbot.yml
+++ b/.github/workflows/buildbot.yml
@@ -13,7 +13,7 @@ jobs:
         os: [ ubuntu-latest,windows-latest ]
     runs-on: ${{ matrix.os }}
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: Set up JDK 11
         uses: actions/setup-java@v1
         with:
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index fc223bec..bdb47361 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -8,7 +8,7 @@ jobs:
     name: Publish artifacts
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: Set up JDK 11
         uses: actions/setup-java@v1
         with: