diff --git a/build.gradle b/build.gradle
index da7bff81..ffbb9c80 100644
--- a/build.gradle
+++ b/build.gradle
@@ -6,7 +6,7 @@ buildscript {
 	dependencies {
 		classpath("org.springframework.build.gradle:propdeps-plugin:0.0.7")
 		classpath('org.asciidoctor:asciidoctor-gradle-plugin:1.5.2')
-		classpath("io.spring.gradle:docbook-reference-plugin:0.3.0")
+		classpath("io.spring.gradle:docbook-reference-plugin:0.3.1")
 		classpath("org.springframework.boot:spring-boot-gradle-plugin:1.2.1.RELEASE")
 	}
 }
@@ -348,7 +348,7 @@ configure(rootProject) {
 
 	task wrapper(type: Wrapper) {
 		description = 'Generates gradlew[.bat] scripts'
-		gradleVersion = '2.2.1'
+		gradleVersion = '2.6'
 	}
 
 }
diff --git a/gradle/wrapper/gradle-wrapper.jar b/gradle/wrapper/gradle-wrapper.jar
index c97a8bdb..fd7e590e 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 413b12f6..ba0a8ccd 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
-#Sat Jan 31 16:49:22 GMT 2015
+#Sun Sep 06 16:20:23 BST 2015
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-2.2.1-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-2.6-bin.zip