diff --git a/.github/workflows/JavaMavenCI.yml b/.github/workflows/JavaMavenCI.yml
index 9e637d8..814733d 100644
--- a/.github/workflows/JavaMavenCI.yml
+++ b/.github/workflows/JavaMavenCI.yml
@@ -7,49 +7,67 @@ on:
   pull_request:
 
 jobs:
-  build:
+  checkstyle:
     runs-on: ubuntu-latest
 
     steps:
       - name: Checkout code
         uses: actions/checkout@v4
-      - name: Set up JDK 21
+      - name: Set up JDK 17
         uses: actions/setup-java@v4
         with:
-          java-version: '21'
+          java-version: '17'
           distribution: 'temurin'
-          cache: maven
-      - name: Compile with maven
-        run: mvn clean compile
+      - name: Cache Maven dependencies
+        uses: actions/cache@v3
+        with:
+          path: ~/.m2/repository
+          key: ${{ runner.os }}-maven-${{ hashFiles('**/pom.xml') }}
+          restore-keys: |
+            ${{ runner.os }}-maven-
+      - name: Checkstyle with maven
+        run: mvn checkstyle:check
 
-  checkstyle:
+  build:
     runs-on: ubuntu-latest
+    needs: checkstyle
 
     steps:
       - name: Checkout code
         uses: actions/checkout@v4
-      - name: Set up JDK 21
+      - name: Set up JDK 17
         uses: actions/setup-java@v4
         with:
-          java-version: '21'
+          java-version: '17'
           distribution: 'temurin'
-          cache: maven
-      - name: Checkstyle with maven
-        run: mvn checkstyle:check
+      - name: Restore Maven cache
+        uses: actions/cache@v3
+        with:
+          path: ~/.m2/repository
+          key: ${{ runner.os }}-maven-${{ hashFiles('**/pom.xml') }}
+          restore-keys: |
+            ${{ runner.os }}-maven-
+      - name: Compile with maven
+        run: mvn clean compile
 
   test:
     runs-on: ubuntu-latest
+    needs: build
 
     steps:
-      - name: Checkout
+      - name: Checkout code
         uses: actions/checkout@v4
-      - name: Set up JDK 21
+      - name: Set up JDK 17
         uses: actions/setup-java@v4
         with:
-          java-version: '21'
+          java-version: '17'
           distribution: 'temurin'
-          cache: maven
-      - name: Compile maven project
-        run: mvn clean compile
-      - name: Test maven project
-        run: mvn test
\ No newline at end of file
+      - name: Restore Maven cache
+        uses: actions/cache@v3
+        with:
+          path: ~/.m2/repository
+          key: ${{ runner.os }}-maven-${{ hashFiles('**/pom.xml') }}
+          restore-keys: |
+            ${{ runner.os }}-maven-
+      - name: Run tests with maven
+        run: mvn test