diff --git a/app/build.gradle b/app/build.gradle
index 707333bf..f81e6e53 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -12,8 +12,9 @@ android {
     }
     buildTypes {
         release {
-            minifyEnabled false
-            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+            minifyEnabled true
+            shrinkResources true
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
         }
     }
     compileOptions {