diff --git a/build.gradle b/build.gradle
index 8ae58c9..064c9aa 100755
--- a/build.gradle
+++ b/build.gradle
@@ -15,7 +15,7 @@ repositories {
 
 dependencies {
   // mandatory dependencies for using Spock
-  groovy "org.codehaus.groovy:groovy-all:2.0.0"
+  groovy "org.codehaus.groovy:groovy-all:2.0.4"
   testCompile "org.spockframework:spock-core:0.7-groovy-2.0-SNAPSHOT"
 
   // optional dependencies for using Spock
@@ -37,6 +37,6 @@ task collectJars(type: Copy) {
 }
 
 task wrapper(type: Wrapper) {
-  gradleVersion = "1.1"
+  gradleVersion = "1.2"
 }
 
diff --git a/gradle/wrapper/gradle-wrapper.jar b/gradle/wrapper/gradle-wrapper.jar
index 7f1e239..95e6e2e 100644
Binary files a/gradle/wrapper/gradle-wrapper.jar and b/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 099e92a..bca5324 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
-#Sat Aug 04 14:40:22 EDT 2012
+#Mon Sep 24 19:54:33 CEST 2012
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=http\://services.gradle.org/distributions/gradle-1.1-bin.zip
+distributionUrl=http\://services.gradle.org/distributions/gradle-1.2-bin.zip
diff --git a/gradlew b/gradlew
index e61422d..3851082 100755
--- a/gradlew
+++ b/gradlew
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 ##############################################################################
 ##