diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 62aa955e..e847b94b 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -13,7 +13,7 @@ jobs:
         os: [ubuntu-latest, windows-latest]
     runs-on: ${{ matrix.os }}
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - uses: coursier/cache-action@v5
       - uses: actions/setup-java@v4
         with:
diff --git a/.github/workflows/ghpages.yml b/.github/workflows/ghpages.yml
index 0f0c34ae..717ea1c3 100644
--- a/.github/workflows/ghpages.yml
+++ b/.github/workflows/ghpages.yml
@@ -10,7 +10,7 @@ jobs:
   build-and-deploy:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 0
       - uses: actions/setup-java@v4
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index e04b4392..08f52039 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -7,7 +7,7 @@ jobs:
   publish:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
         with:
           # fetches all tags, required to correctly set the version
           fetch-depth: 0