diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 49a8bf8..6e2a1e0 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -17,7 +17,7 @@ jobs:
         java-version: [ 8, 17 ]
     steps:
     - name: Checkout
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
       with:
         fetch-depth: 0
     - name: Setup Java
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 5789964..96f5488 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -9,7 +9,7 @@ jobs:
   build_sbt_1_0:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 0
       # setup build environment