diff --git a/app/build.gradle b/app/build.gradle
index 1e4d111..aa361ee 100755
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -1,6 +1,14 @@
 apply plugin: 'com.android.application'
 
 android {
+    signingConfigs {
+        debug {
+            storeFile file('/Users/bello/AndroidStudioProjects/MathsCalc/data/key.store')
+            storePassword 'eagle2019'
+            keyAlias = 'calc'
+            keyPassword 'eagle2019'
+        }
+    }
     compileSdkVersion 28
     defaultConfig {
         applicationId "me.bello.mathscalc"
@@ -9,11 +17,16 @@
         versionCode 1
         versionName "1.0"
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
+        signingConfig signingConfigs.debug
     }
     buildTypes {
         release {
             minifyEnabled false
             proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+            signingConfig signingConfigs.debug
+        }
+        debug {
+            signingConfig signingConfigs.debug
         }
     }
 }