diff --git a/flutter_hbb/android/app/build.gradle b/flutter_hbb/android/app/build.gradle
index 2f2db6973..c83feda57 100644
--- a/flutter_hbb/android/app/build.gradle
+++ b/flutter_hbb/android/app/build.gradle
@@ -1,3 +1,9 @@
+def keystoreProperties = new Properties()
+def keystorePropertiesFile = rootProject.file('key.properties')
+if (keystorePropertiesFile.exists()) {
+    keystoreProperties.load(new FileInputStream(keystorePropertiesFile))
+}
+
 def localProperties = new Properties()
 def localPropertiesFile = rootProject.file('local.properties')
 if (localPropertiesFile.exists()) {
@@ -45,11 +51,20 @@ android {
         versionName flutterVersionName
     }
 
+    signingConfigs {
+      release {
+        keyAlias keystoreProperties['keyAlias']
+        keyPassword keystoreProperties['keyPassword']
+        storeFile keystoreProperties['storeFile'] ? file(keystoreProperties['storeFile']) : null
+        storePassword keystoreProperties['storePassword']
+      }
+    }
+
     buildTypes {
         release {
             // TODO: Add your own signing config for the release build.
             // Signing with the debug keys for now, so `flutter run --release` works.
-            signingConfig signingConfigs.debug
+            signingConfig signingConfigs.release
         }
     }
 }
diff --git a/flutter_hbb/android/key.jks b/flutter_hbb/android/key.jks
new file mode 100644
index 000000000..8e1763f46
Binary files /dev/null and b/flutter_hbb/android/key.jks differ