diff --git a/libraries/tools/kotlin-gradle-plugin-core/gradle_api_jar/README.txt b/libraries/tools/kotlin-gradle-plugin-core/gradle_api_jar/README.txt
index df08dc77e0d..cad3c3586b8 100644
--- a/libraries/tools/kotlin-gradle-plugin-core/gradle_api_jar/README.txt
+++ b/libraries/tools/kotlin-gradle-plugin-core/gradle_api_jar/README.txt
@@ -1,7 +1,7 @@
 Deploying gradle api to maven
 
  * gradlew build
-   -> build/libs/gradle-api-1.4.jar
+   -> build/libs/gradle-api-1.6.jar
  
  * mvn deploy
-   build/libs/gradle-api-1.4.jar -> http://repository.jetbrains.com/utils
+   build/libs/gradle-api-1.6.jar -> http://repository.jetbrains.com/utils
diff --git a/libraries/tools/kotlin-gradle-plugin-core/gradle_api_jar/build.gradle b/libraries/tools/kotlin-gradle-plugin-core/gradle_api_jar/build.gradle
index f5cdd039238..0ac2cad2968 100644
--- a/libraries/tools/kotlin-gradle-plugin-core/gradle_api_jar/build.gradle
+++ b/libraries/tools/kotlin-gradle-plugin-core/gradle_api_jar/build.gradle
@@ -1,7 +1,7 @@
 apply plugin: 'java'
 apply plugin: 'maven'
 
-version = '1.4'
+version = '1.6'
 group = 'org.jetbrains.kotlin'
 
 
@@ -25,5 +25,5 @@ artifacts {
 }
 
 task wrapper(type: Wrapper) {
-    gradleVersion = '1.4'
+    gradleVersion = '1.6'
 }
diff --git a/libraries/tools/kotlin-gradle-plugin-core/gradle_api_jar/gradle/wrapper/gradle-wrapper.jar b/libraries/tools/kotlin-gradle-plugin-core/gradle_api_jar/gradle/wrapper/gradle-wrapper.jar
index 7f1e239c846..3c7abdf1279 100644
Binary files a/libraries/tools/kotlin-gradle-plugin-core/gradle_api_jar/gradle/wrapper/gradle-wrapper.jar and b/libraries/tools/kotlin-gradle-plugin-core/gradle_api_jar/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/libraries/tools/kotlin-gradle-plugin-core/gradle_api_jar/gradle/wrapper/gradle-wrapper.properties b/libraries/tools/kotlin-gradle-plugin-core/gradle_api_jar/gradle/wrapper/gradle-wrapper.properties
index 60fa533b2f2..a91fd600121 100644
--- a/libraries/tools/kotlin-gradle-plugin-core/gradle_api_jar/gradle/wrapper/gradle-wrapper.properties
+++ b/libraries/tools/kotlin-gradle-plugin-core/gradle_api_jar/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
-#Thu Feb 21 16:54:17 MSK 2013
+#Sun May 04 12:35:04 MSK 2014
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=http\://services.gradle.org/distributions/gradle-1.4-bin.zip
+distributionUrl=http\://services.gradle.org/distributions/gradle-1.6-bin.zip
diff --git a/libraries/tools/kotlin-gradle-plugin-core/gradle_api_jar/gradlew b/libraries/tools/kotlin-gradle-plugin-core/gradle_api_jar/gradlew
index e61422d06d5..91a7e269e19 100644
--- a/libraries/tools/kotlin-gradle-plugin-core/gradle_api_jar/gradlew
+++ b/libraries/tools/kotlin-gradle-plugin-core/gradle_api_jar/gradlew
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 ##############################################################################
 ##
@@ -61,9 +61,9 @@ while [ -h "$PRG" ] ; do
     fi
 done
 SAVED="`pwd`"
-cd "`dirname \"$PRG\"`/"
+cd "`dirname \"$PRG\"`/" >&-
 APP_HOME="`pwd -P`"
-cd "$SAVED"
+cd "$SAVED" >&-
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
diff --git a/libraries/tools/kotlin-gradle-plugin-core/gradle_api_jar/pom.xml b/libraries/tools/kotlin-gradle-plugin-core/gradle_api_jar/pom.xml
index ab208885125..dadb984349e 100644
--- a/libraries/tools/kotlin-gradle-plugin-core/gradle_api_jar/pom.xml
+++ b/libraries/tools/kotlin-gradle-plugin-core/gradle_api_jar/pom.xml
@@ -12,7 +12,7 @@
     <groupId>org.jetbrains.kotlin</groupId>
     <artifactId>gradle-api</artifactId>
     <packaging>pom</packaging>
-    <version>1.4</version>
+    <version>1.6</version>
 
     <build>
         <plugins>
@@ -30,7 +30,7 @@
                         <configuration>
                             <artifacts>
                                 <artifact>
-                                    <file>build/libs/gradle-api-1.4.jar</file>
+                                    <file>build/libs/gradle-api-1.6.jar</file>
                                     <type>jar</type>
                                 </artifact>
                             </artifacts>