diff --git a/corelibrary/build.gradle b/corelibrary/build.gradle
index 68c3504..1c09787 100644
--- a/corelibrary/build.gradle
+++ b/corelibrary/build.gradle
@@ -18,7 +18,7 @@ android {
 
     buildTypes {
         release {
-            minifyEnabled false
+            minifyEnabled true
             proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
         }
     }
diff --git a/corelibrary/proguard-rules.pro b/corelibrary/proguard-rules.pro
index f1b4245..0ade3e0 100644
--- a/corelibrary/proguard-rules.pro
+++ b/corelibrary/proguard-rules.pro
@@ -19,3 +19,118 @@
 # If you keep the line number information, uncomment this to
 # hide the original source file name.
 #-renamesourcefileattribute SourceFile
+-verbose
+-optimizationpasses 5
+
+# Kotlin
+# COMMON KOTLIN
+-dontnote kotlin.**
+-dontwarn kotlin.**
+-keepclassmembernames class kotlinx.** {
+    volatile <fields>;
+}
+-dontnote kotlinx.**
+-keep class kotlinx.coroutines.**
+
+# retrofit
+-keepattributes Signature
+-dontwarn retrofit2.**
+-keep class retrofit2.** { *; }
+-keepattributes Exceptions
+-keepclasseswithmembers class * {
+    @retrofit2.http.* <methods>;
+}
+-dontnote retrofit2.Platform
+-dontnote retrofit2.Platform$IOS$MainThreadExecutor
+-dontwarn retrofit2.Platform$Java8
+-dontwarn retrofit.RxSupport*
+-dontwarn retrofit.appengine.UrlFetchClient
+-dontnote retrofit.http.RestMethod
+-keepclasseswithmembers class * {
+    @retrofit2.* <methods>;
+}
+-keepclasseswithmembers interface * {
+    @retrofit2.* <methods>;
+}
+
+# okhttp
+-dontwarn okio.**
+-dontwarn javax.annotation.Nullable
+-dontwarn javax.annotation.ParametersAreNonnullByDefault
+-dontwarn javax.annotation.**
+
+#rxjava
+-dontwarn sun.misc.**
+
+#crashlytic
+-keepattributes *Annotation*
+-keepattributes SourceFile,LineNumberTable
+-keep class com.crashlytics.** { *; }
+-dontwarn com.crashlytics.**
+
+-keepclassmembers class rx.internal.util.unsafe.*ArrayQueue*Field* {
+   long producerIndex;
+   long consumerIndex;
+}
+
+#dagger
+-dontwarn com.google.errorprone.annotations.*
+
+-keepclassmembers class rx.internal.util.unsafe.BaseLinkedQueueProducerNodeRef {
+    rx.internal.util.atomic.LinkedQueueNode producerNode;
+}
+
+-keepclassmembers class rx.internal.util.unsafe.BaseLinkedQueueConsumerNodeRef {
+    rx.internal.util.atomic.LinkedQueueNode consumerNode;
+}
+
+-dontnote rx.internal.util.PlatformDependent
+
+#-keep class id.co.binar.binarapp.model.** {*;}
+#-keep class id.co.binar.binarapp.utils.CommonUtil {*;}
+#-keep class id.co.binar.binarapp.utils.BinarSignature {*;}
+
+#gson
+-keep class com.google.gson.stream.** { *; }
+-keep class com.google.gson.* { *; }
+-keep public class com.google.gson.** {
+    public private protected *;
+}
+-keep class com.google.appengine.** { *; }
+-keep class * implements com.google.gson.TypeAdapterFactory
+-keep class * implements com.google.gson.JsonSerializer
+-keep class * implements com.google.gson.JsonDeserializer
+-keep class com.google.gson.* { *; }
+-keep class com.google.inject.* { *; }
+-keep class sun.misc.Unsafe { *; }
+-keep class com.google.gson.stream.** { *; }
+-keepclassmembers enum * { *; }
+-keep,allowobfuscation @interface com.google.gson.annotations.*
+-dontnote com.google.gson.annotations.Expose
+-keepclassmembers class * {
+    @com.google.gson.annotations.Expose <fields>;
+}
+-keepclasseswithmembers,allowobfuscation,includedescriptorclasses class * {
+    @com.google.gson.annotations.Expose <fields>;
+}
+-dontnote com.google.gson.annotations.SerializedName
+-keepclasseswithmembers,allowobfuscation,includedescriptorclasses class * {
+    @com.google.gson.annotations.SerializedName <fields>;
+}
+-keepclassmembers enum * {
+    @com.google.gson.annotations.SerializedName <fields>;
+}
+
+## RX2
+-dontnote io.reactivex.**
+
+#OKHTTP3
+-dontwarn okhttp3.**
+
+-keep public class * implements com.bumptech.glide.module.GlideModule
+-keep public enum com.bumptech.glide.load.resource.bitmap.ImageHeaderParser$** {
+    **[] $VALUES;
+    public *;
+}
+
+
diff --git a/gradle.properties b/gradle.properties
index 85be9ea..b75ae29 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -12,4 +12,8 @@ org.gradle.jvmargs=-Xmx1536m
 # http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
 # org.gradle.parallel=true
 # Kotlin code style for this project: "official" or "obsolete":
+org.gradle.daemon=false
+org.gradle.parallel=true
+org.gradle.configureondemand=true
+android.enableBuildScriptClasspathCheck=false
 kotlin.code.style=official