diff --git a/app/build.gradle b/app/build.gradle
index e00705c..8722094 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -34,13 +34,13 @@ android {
 
     buildTypes {
         release {
-            runProguard false
+            minifyEnabled false
             proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
         }
     }
 
-    signingFile = file("signing.gradle");
-    if (signingFile.exists()) apply from: signingFile
+    //signingFile = file("signing.gradle");
+    //if (signingFile.exists()) apply from: signingFile
 }
 
 dependencies {
diff --git a/build.gradle b/build.gradle
index 9b8abe4..9405f3f 100644
--- a/build.gradle
+++ b/build.gradle
@@ -5,7 +5,7 @@ buildscript {
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:0.12.2'
+        classpath 'com.android.tools.build:gradle:1.2.3'
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 1e61d1f..b136951 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
-#Wed Apr 10 15:27:10 PDT 2013
+#Wed Jul 29 00:56:11 MSK 2015
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=http\://services.gradle.org/distributions/gradle-1.12-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-2.2.1-all.zip