diff --git a/build.gradle b/build.gradle
index 4f726b45..500589d3 100644
--- a/build.gradle
+++ b/build.gradle
@@ -35,7 +35,7 @@ dependencies {
 	// for TestHelpers we need junit during normal compile...
 	compile "junit:junit:[4.12,)"
 
-	testCompile 'org.apache.commons:commons-email:1.3.3'
+	testCompile 'org.apache.commons:commons-email:1.4'
 }
 
 // work around unnecessary timestamp in generated file which always causes dirty files in version control
@@ -66,7 +66,7 @@ jacoco {
 }
 
 task wrapper(type: Wrapper) {
-	gradleVersion = '2.4'
+	gradleVersion = '2.5'
 }
 
 task sourcesJar(type: Jar) {
diff --git a/gradle/wrapper/gradle-wrapper.jar b/gradle/wrapper/gradle-wrapper.jar
index 085a1cdc..b5166dad 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 31c00cf9..51bc5ff1 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
-#Mon May 11 20:13:11 CEST 2015
+#Wed Jul 29 10:02:45 CEST 2015
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-2.4-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-2.5-bin.zip