diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index fb17646..e79192d 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -16,7 +16,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         fetch-depth: 0
     - name: Set up JDK 17
diff --git a/.github/workflows/toolforge.yml b/.github/workflows/toolforge.yml
index 65b9557..d1a506b 100644
--- a/.github/workflows/toolforge.yml
+++ b/.github/workflows/toolforge.yml
@@ -18,7 +18,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout source code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Set up JDK 17
         uses: actions/setup-java@v3.10.0
         with: