diff --git a/android/build.gradle b/android/build.gradle
index c08e920..e164503 100644
--- a/android/build.gradle
+++ b/android/build.gradle
@@ -42,7 +42,7 @@ android {
     buildTypes {
         release {
             minifyEnabled false
-            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
         }
     }
     lintOptions {