diff --git a/.github/workflows/debug.yml b/.github/workflows/debug.yml
index 1044ced1..7c32cf8e 100644
--- a/.github/workflows/debug.yml
+++ b/.github/workflows/debug.yml
@@ -32,6 +32,25 @@ jobs:
       - name: Build
         run: ./gradlew assembleArmv8Debug
 
+      - name: Sign APK
+        id: sign_app
+        uses: tiann/zipalign-sign-android-release@v1.1.4
+        with:
+          releaseDirectory: app/build/outputs/apk/armv8/debug/
+          signingKeyBase64: ${{ secrets.JAVA_KEYSTORE_DATA }}
+          alias: ${{ secrets.KEY_ALIAS }}
+          keyStorePassword: ${{ secrets.KEYSTORE_PASSWORD }}
+          keyPassword: ${{ secrets.KEY_PASSWORD }}
+          zipAlign: true
+        env:
+          BUILD_TOOLS_VERSION: "34.0.0"
+
+      - name: Delete unsigned file
+        run: |
+          cd app/build/outputs/apk/armv8/debug/
+          shopt -s extglob
+          rm -rf !(*-signed*)
+
       - name: Build Version
         run: ./gradlew getVersion
 
@@ -79,6 +98,25 @@ jobs:
       - name: Build
         run: ./gradlew assembleArmv7Debug
 
+      - name: Sign APK
+        id: sign_app
+        uses: tiann/zipalign-sign-android-release@v1.1.4
+        with:
+          releaseDirectory: app/build/outputs/apk/armv7/debug/
+          signingKeyBase64: ${{ secrets.JAVA_KEYSTORE_DATA }}
+          alias: ${{ secrets.KEY_ALIAS }}
+          keyStorePassword: ${{ secrets.KEYSTORE_PASSWORD }}
+          keyPassword: ${{ secrets.KEY_PASSWORD }}
+          zipAlign: true
+        env:
+          BUILD_TOOLS_VERSION: "34.0.0"
+
+      - name: Delete unsigned file
+        run: |
+          cd app/build/outputs/apk/armv7/debug/
+          shopt -s extglob
+          rm -rf !(*-signed*)
+
       - name: Build Version
         run: ./gradlew getVersion
 
@@ -126,6 +164,25 @@ jobs:
       - name: Build
         run: ./gradlew assembleAllDebug
 
+      - name: Sign APK
+        id: sign_app
+        uses: tiann/zipalign-sign-android-release@v1.1.4
+        with:
+          releaseDirectory: app/build/outputs/apk/all/debug/
+          signingKeyBase64: ${{ secrets.JAVA_KEYSTORE_DATA }}
+          alias: ${{ secrets.KEY_ALIAS }}
+          keyStorePassword: ${{ secrets.KEYSTORE_PASSWORD }}
+          keyPassword: ${{ secrets.KEY_PASSWORD }}
+          zipAlign: true
+        env:
+          BUILD_TOOLS_VERSION: "34.0.0"
+
+      - name: Delete unsigned file
+        run: |
+          cd app/build/outputs/apk/all/debug/
+          shopt -s extglob
+          rm -rf !(*-signed*)
+
       - name: Build Version
         run: ./gradlew getVersion