diff --git a/.github/workflows/maven.yml b/.github/workflows/maven.yml
index 9c861a4..fd61aea 100644
--- a/.github/workflows/maven.yml
+++ b/.github/workflows/maven.yml
@@ -19,9 +19,9 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3.6.0
     - name: Set up JDK 17
-      uses: actions/setup-java@v3
+      uses: actions/setup-java@0ab4596768b603586c0de567f2430c30f5b0d2b0 # v3.13.0
       with:
         java-version: '17'
         distribution: 'temurin'