diff --git a/app/build.gradle b/app/build.gradle
index 9c4944a..4b5bae7 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -6,18 +6,18 @@ buildscript {
         mavenCentral()
     }
     dependencies {
-        classpath "jp.leafytree.gradle:gradle-android-scala-plugin:1.2.1"
+        classpath "jp.leafytree.gradle:gradle-android-scala-plugin:1.3.1"
     }
 }
 
 dependencies {
-    compile "org.scala-lang:scala-library:2.10.4"
+    compile "org.scala-lang:scala-library:2.11.4"
     compile "org.msgpack:msgpack-scala_2.11:0.6.11"
 }
 
 android {
     compileSdkVersion 21
-    buildToolsVersion "21.1.0"
+    buildToolsVersion "21.1.1"
 
     defaultConfig {
         applicationId "com.nutomic.ensichat"
diff --git a/build.gradle b/build.gradle
index 54ebdb1..996243c 100644
--- a/build.gradle
+++ b/build.gradle
@@ -6,7 +6,7 @@ buildscript {
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:0.14.1'
+        classpath 'com.android.tools.build:gradle:0.14.2'
         classpath 'com.github.ben-manes:gradle-versions-plugin:0.5'
 
         // NOTE: Do not place your application dependencies here; they belong