diff --git a/AndroidSocket/build.gradle b/AndroidSocket/build.gradle
index 5e1c03d..47f8c5e 100644
--- a/AndroidSocket/build.gradle
+++ b/AndroidSocket/build.gradle
@@ -3,7 +3,7 @@ buildscript {
         mavenCentral()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:0.13.+'
+        classpath 'com.android.tools.build:gradle:1.1.0'
     }
 }
 
diff --git a/AndroidSocketIO/build.gradle b/AndroidSocketIO/build.gradle
index 0ea227d..11c0c95 100644
--- a/AndroidSocketIO/build.gradle
+++ b/AndroidSocketIO/build.gradle
@@ -3,7 +3,7 @@ buildscript {
         mavenCentral()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:0.13.+'
+        classpath 'com.android.tools.build:gradle:1.1.0'
     }
 }
 
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 67faa80..61cde38 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
-#Thu Jul 25 21:07:32 CEST 2013
+#Fri Apr 03 16:38:12 CEST 2015
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=http\://services.gradle.org/distributions/gradle-2.1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-2.2.1-all.zip