diff --git a/.github/workflows/maven.yml b/.github/workflows/maven.yml
index f53b933..8574e09 100644
--- a/.github/workflows/maven.yml
+++ b/.github/workflows/maven.yml
@@ -28,7 +28,7 @@ jobs:
       uses: actions/cache@v2
       with:
         path: ~/.m2
-        key: ${{ runner.os }}-m2-${{ hashFiles('**/pom.xml') }}
+        key: ${{ runner.os }}-m2-jdk${{ matrix.java }}-${{ hashFiles('**/pom.xml', '**/*.yml') }}
         restore-keys: ${{ runner.os }}-m2-
     - name: Build with Maven
       run: >