diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index a1d2da6..e8f6874 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -87,22 +87,22 @@ jobs:
       - name: Set up Java
         uses: actions/setup-java@v4
         with:
-          distribution: zulu
-          java-version: 21
+          distribution: temurin
+          java-version: 18
 
       - name: Cache Gradle dependencies
         uses: actions/cache@v3
         with:
           path: ~/.gradle/caches
-          key: ${{ runner.os }}-gradle-${{ hashFiles('**/*.gradle*', '**/gradle-wrapper.properties') }}
+          key: ${{ runner.os }}-gradle-18debug-${{ hashFiles('**/*.gradle*', '**/gradle-wrapper.properties') }}
           restore-keys: |
-            ${{ runner.os }}-gradle-
+            ${{ runner.os }}-gradle-18debug
 
       # Step 9: Build the APK
       - name: Build APK
         run: |
           cd app-release
-          ./gradlew assembleRelease
+          ./gradlew assembleDebug
 
       - name: Find APK Files
         run: find app-release -name "*.apk"