diff --git a/app/build.gradle b/app/build.gradle
index 02c6d3b..caa77ce 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -13,8 +13,11 @@ android {
     }
     buildTypes {
         release {
-            minifyEnabled false
+            minifyEnabled true
+            shrinkResources true
             proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'),
+                    'proguard-rules.pro'
         }
     }
 }