diff --git a/.github/workflows/debug.yml b/.github/workflows/debug.yml
index 30fcc2739..fea9bee88 100644
--- a/.github/workflows/debug.yml
+++ b/.github/workflows/debug.yml
@@ -62,7 +62,7 @@ jobs:
         echo NAVER_MAPS_CLIENT_ID=$NAVER_MAPS_CLIENT_ID >> local.properties
         echo POSTHOG_API_KEY=$POSTHOG_API_KEY >> local.properties
         echo POSTHOG_HOST=$POSTHOG_HOST >> local.properties
-  
+
     - name: Generate google-services.json
       run: |
         echo "$GOOGLE_SERVICE" > app/google-services.json.b64
@@ -76,14 +76,14 @@ jobs:
     # - name: Assemble Debug APK
     #   if: >
     #     github.event_name == 'pull_request' &&
-    #     startsWith(github.event.pull_request.head.ref, 'release/') && 
+    #     startsWith(github.event.pull_request.head.ref, 'release/') &&
     #     (github.event.action == 'opened' || github.event.action == 'synchronize' || github.event.action == 'reopened')
     #   run: ./gradlew assembleDebug
 
     # - name: Upload Debug APK artifact
     #   if: >
     #     github.event_name == 'pull_request' &&
-    #     startsWith(github.event.pull_request.head.ref, 'release/') && 
+    #     startsWith(github.event.pull_request.head.ref, 'release/') &&
     #     (github.event.action == 'opened' || github.event.action == 'synchronize' || github.event.action == 'reopened')
     #   uses: actions/upload-artifact@v4
     #   with:
@@ -91,6 +91,22 @@ jobs:
     #     path: app/build/outputs/apk/debug/*.apk
     #     retention-days: 1
 
+    - name: Decode Keystore for Release Signing
+      if: >
+        github.event_name == 'pull_request' &&
+        startsWith(github.event.pull_request.head.ref, 'release/')
+      env:
+        KEYSTORE_CONTENT: ${{ secrets.KEYSTORE_CONTENT }}
+        KEYSTORE_PASSWORD: ${{ secrets.KEYSTORE_PASSWORD }}
+        KEY_ALIAS: ${{ secrets.KEY_ALIAS }}
+        KEY_PASSWORD: ${{ secrets.KEY_PASSWORD }}
+      run: |
+        echo "$KEYSTORE_CONTENT" | base64 -d > $GITHUB_WORKSPACE/release.keystore
+        echo "KEYSTORE_FILE=$GITHUB_WORKSPACE/release.keystore" >> $GITHUB_ENV
+        echo "KEYSTORE_PASSWORD=$KEYSTORE_PASSWORD" >> $GITHUB_ENV
+        echo "KEY_ALIAS=$KEY_ALIAS" >> $GITHUB_ENV
+        echo "KEY_PASSWORD=$KEY_PASSWORD" >> $GITHUB_ENV
+
     - name: Assemble Release APK
       if: >
         github.event_name == 'pull_request' &&
@@ -98,6 +114,37 @@ jobs:
         (github.event.action == 'opened' || github.event.action == 'synchronize' || github.event.action == 'reopened')
       run: ./gradlew assembleRelease
 
+    - name: Inspect AndroidManifest (NAVER_MAPS_CLIENT_ID injected?)
+      if: >
+        github.event_name == 'pull_request' &&
+        startsWith(github.event.pull_request.head.ref, 'release/') &&
+        (github.event.action == 'opened' || github.event.action == 'synchronize' || github.event.action == 'reopened')
+      run: |
+        APK=$(ls app/build/outputs/apk/release/*.apk | head -n 1)
+        echo "APK=$APK"
+        
+        BUILD_TOOLS_VERSION=$(ls "$ANDROID_SDK_ROOT/build-tools" | sort -V | tail -n 1)
+        AAPT2="$ANDROID_SDK_ROOT/build-tools/$BUILD_TOOLS_VERSION/aapt2"
+        echo "AAPT2=$AAPT2"
+        
+        # 네이버 meta-data 존재 여부 확인
+        "$AAPT2" dump xmltree --file AndroidManifest.xml "$APK" \
+          | sed -n '/com.naver.maps.map.NCP_KEY_ID/,+20p' || true
+        
+        # placeholder가 그대로 남아있는지 확인(치환 실패 징후)
+        "$AAPT2" dump xmltree --file AndroidManifest.xml "$APK" \
+          | grep -n '\${NAVER_MAPS_CLIENT_ID}' || true
+
+      # Release APK 서명 여부 검증
+    - name: Verify Release APK signature
+      if: >
+        github.event_name == 'pull_request' &&
+        startsWith(github.event.pull_request.head.ref, 'release/') && 
+        (github.event.action == 'opened' || github.event.action == 'synchronize' || github.event.action == 'reopened')
+      run: |
+        BUILD_TOOLS_VERSION=$(ls "$ANDROID_SDK_ROOT/build-tools" | sort -V | tail -n 1)
+        "$ANDROID_SDK_ROOT/build-tools/$BUILD_TOOLS_VERSION/apksigner" verify --print-certs app/build/outputs/apk/release/*.apk
+
     - name: Upload Release APK artifact
       if: >
         github.event_name == 'pull_request' &&
@@ -128,9 +175,17 @@ jobs:
 
     # Release만 Firebase 배포
     - name: Install Firebase CLI
+      if: >
+        github.event_name == 'pull_request' &&
+        startsWith(github.event.pull_request.head.ref, 'release/') && 
+        (github.event.action == 'opened' || github.event.action == 'synchronize' || github.event.action == 'reopened')
       run: npm i -g firebase-tools
 
     - name: Distribute Release APK to Firebase App Distribution
+      if: >
+        github.event_name == 'pull_request' &&
+        startsWith(github.event.pull_request.head.ref, 'release/') && 
+        (github.event.action == 'opened' || github.event.action == 'synchronize' || github.event.action == 'reopened')
       env:
         FIREBASE_TOKEN: ${{ secrets.FIREBASE_TOKEN }}
         FIREBASE_APP_ID: ${{ secrets.FIREBASE_APP_ID }}
@@ -140,16 +195,20 @@ jobs:
           --groups "eat-ssu-android-qa" \
           --release-notes "Release | PR #${{ github.event.pull_request.number }}: ${{ github.event.pull_request.title }}" \
           --token "$FIREBASE_TOKEN"
-      
+
     # PR 코멘트
     - name: Comment PR
+      if: >
+        github.event_name == 'pull_request' &&
+        startsWith(github.event.pull_request.head.ref, 'release/') && 
+        (github.event.action == 'opened' || github.event.action == 'synchronize' || github.event.action == 'reopened')
       uses: actions/github-script@v7
       with:
         script: |
           const body =
-            [
-              `✅ Firebase App Distribution으로 Release APK 배포됨 (그룹: eat-ssu-android-qa)`,
-            ].join('\n');
+          [
+          `✅ Firebase App Distribution으로 Release APK 배포됨 (그룹: eat-ssu-android-qa)`,
+          ].join('\n');
           
           await github.rest.issues.createComment({
             owner: context.repo.owner,
diff --git a/app/build.gradle.kts b/app/build.gradle.kts
index 342e27808..122917a52 100644
--- a/app/build.gradle.kts
+++ b/app/build.gradle.kts
@@ -53,6 +53,17 @@ android {
                 keyPassword = System.getenv("KEY_PASSWORD")
             }
         }
+
+        // CI 환경에서 사용하는 서명 설정
+        create("ciRelease") {
+            val keystoreFile = System.getenv("KEYSTORE_FILE")
+            if (!keystoreFile.isNullOrBlank()) {
+                storeFile = file(keystoreFile)
+                storePassword = System.getenv("KEYSTORE_PASSWORD")
+                keyAlias = System.getenv("KEY_ALIAS")
+                keyPassword = System.getenv("KEY_PASSWORD")
+            }
+        }
     }
 
     buildTypes {
@@ -85,6 +96,9 @@ android {
             isMinifyEnabled = true
             proguardFiles(getDefaultProguardFile("proguard-android-optimize.txt"), "proguard-rules.pro")
 
+            if (!System.getenv("KEYSTORE_FILE").isNullOrBlank()) {
+                signingConfig = signingConfigs.getByName("ciRelease")
+            }
         }
 
         getByName("debug") {