diff --git a/app/build.gradle b/app/build.gradle
index 3d5396d..1d7c66b 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -39,7 +39,7 @@ dependencies {
 
 buildscript {
     ext.kotlin_version = '1.1.2-2'
-    ext.android_support_version = '25.3.1'
+    ext.android_support_version = '25.4.0'
     repositories {
         mavenCentral()
     }
diff --git a/build.gradle b/build.gradle
index 34313ce..0a07c6f 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,19 +1,18 @@
-// Top-level build file where you can add configuration options common to all sub-projects/modules.
-
 buildscript {
-	repositories {
-		jcenter()
-	}
-	dependencies {
-		classpath 'com.android.tools.build:gradle:2.3.0'
-
-		// NOTE: Do not place your application dependencies here; they belong
-		// in the individual module build.gradle files
-	}
+    repositories {
+        jcenter()
+    }
+    dependencies {
+        classpath 'com.android.tools.build:gradle:2.3.2'
+    }
 }
 
 allprojects {
-	repositories {
-		jcenter()
-	}
+    repositories {
+        jcenter()
+        maven {
+            url "https://maven.google.com"
+        }
+
+    }
 }