diff --git a/app/build.gradle b/app/build.gradle
index aeb1083..4f019ad 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -16,7 +16,7 @@ android {
     buildTypes {
         release {
             signingConfig signingConfigs.release
-            runProguard false
+            minifyEnabled false
             proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.txt'
         }
         debug {
diff --git a/build.gradle b/build.gradle
index e5ce70b..b3d7508 100644
--- a/build.gradle
+++ b/build.gradle
@@ -3,7 +3,7 @@ buildscript {
         mavenCentral()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:0.13.3'
+        classpath 'com.android.tools.build:gradle:1.0.0'
         classpath files('gradle/libs/gradle-witness.jar')
     }
 }
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 27d8b1a..0bffd23 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -2,4 +2,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-2.1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-2.2.1-all.zip