diff --git a/.github/dependabot.yml b/.github/dependabot.yml
new file mode 100644
index 0000000..2c48305
--- /dev/null
+++ b/.github/dependabot.yml
@@ -0,0 +1,11 @@
+version: 2
+updates:
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    groups:
+      github-actions:
+        patterns: ["*"]
+    schedule:
+      interval: "weekly"
+    cooldown:
+      default-days: 7
diff --git a/.github/workflows/junit-tests.yml b/.github/workflows/junit-tests.yml
index 0253310..0150f66 100644
--- a/.github/workflows/junit-tests.yml
+++ b/.github/workflows/junit-tests.yml
@@ -15,9 +15,9 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@0717577d45739eb3c851188b29f50ed6c0b2194e # v2.8.0
     - name: Set up Java
-      uses: actions/setup-java@v1
+      uses: actions/setup-java@0f62d2ad8407a414cddd4790bed06fd9ebda0f56 # v1.4.5
       with:
         java-version: 11
     - name: Build with Maven