diff --git a/CHANGELOG.md b/CHANGELOG.md
index ea204e465db036bea2d62c96b5fdd1cadc1d1444..393527d93bd1a4339906ba53d28bd626042ebbd4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,6 @@
 Upcoming version:
 -----------------
+  - updating gradle version (to version 3.3) (Nikolaus Krismer)
   - updating base box to centos 7.3 (Nikolaus Krismer)
   - updating geoserver to latest version (Nikolaus Krismer)
 
diff --git a/gradle/wrapper/gradle-wrapper.jar b/gradle/wrapper/gradle-wrapper.jar
index 51288f9c2f05faf8d42e1a751a387ca7923882c3..a769bde6c9fd4a6ed1dbddcc5386a0a8a9bdb7ad 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 b8ed4748760837800efd10d0e33680a6762fae3f..18aa33621f42302444a7bc84aad0dc2462919e67 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
-#Mon Nov 28 09:30:36 CET 2016
+#Wed Jan 04 19:57:10 CET 2017
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-3.2.1-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-3.3-bin.zip