diff --git a/build.gradle b/build.gradle
index 09f4994..85d5eaf 100644
--- a/build.gradle
+++ b/build.gradle
@@ -2,7 +2,7 @@ group 'de.mkammerer'
 version '1.0-SNAPSHOT'
 
 buildscript {
-    ext.kotlin_version = '1.0.3'
+    ext.kotlin_version = '1.0.4'
     repositories {
         mavenCentral()
     }
@@ -25,5 +25,5 @@ repositories {
 }
 
 task wrapper(type: Wrapper) {
-    gradleVersion = '2.14'
+    gradleVersion = '3.1'
 }
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 94d168f..7ad0be1 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
-#Sun Jul 03 16:33:09 CEST 2016
+#Wed Oct 26 00:22:05 CEST 2016
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-2.14-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-3.1-bin.zip