diff --git a/zapic/build.gradle b/zapic/build.gradle
index a832e6b..3161e1b 100644
--- a/zapic/build.gradle
+++ b/zapic/build.gradle
@@ -35,7 +35,7 @@ android {
 dependencies {
     implementation fileTree(include: ['*.jar'], dir: 'libs')
     implementation "com.android.support:support-annotations:$rootProject.ext.googleSupportVersion"
-    implementation "com.android.support:support-compat:$rootProject.ext.googleSupportVersion"
+    implementation "com.android.support:support-core-utils:$rootProject.ext.googleSupportVersion"
     compileOnly "com.android.support:support-v4:$rootProject.ext.googleSupportVersion"
     compileOnly "com.google.android.gms:play-services-auth:$rootProject.ext.googlePlayServicesVersion"
     compileOnly "com.google.android.gms:play-services-games:$rootProject.ext.googlePlayServicesVersion"
diff --git a/zapic/proguard-rules.pro b/zapic/proguard-rules.pro
index 5f8e08e..d4b0133 100644
--- a/zapic/proguard-rules.pro
+++ b/zapic/proguard-rules.pro
@@ -1,4 +1,4 @@
-# Keep Java API
+# Keep Zapic Java APIs
 -keep class com.zapic.sdk.android.Zapic {
   public *;
 }
@@ -15,7 +15,10 @@
   public *;
 }
 
-# Keep JavaScript API
+# Keep Zapic JavaScript API
 -keepclassmembers class com.zapic.sdk.android.WebViewJavascriptBridge {
   public *;
 }
+
+# Keep Java APIs used by reflection
+-keepnames class android.support.v4.app.Fragment