diff --git a/build.gradle b/build.gradle
index 6e61d3c..50bff14 100644
--- a/build.gradle
+++ b/build.gradle
@@ -205,5 +205,5 @@ model {
 apply from: 'publish.gradle'
 
 task wrapper(type: Wrapper) {
-    gradleVersion = '4.0.2'
+    gradleVersion = '4.1'
 }
diff --git a/gradle/wrapper/gradle-wrapper.jar b/gradle/wrapper/gradle-wrapper.jar
index bd7feaa..7a3265e 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 96b2d96..fe51c02 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Thu Aug 03 08:44:52 PDT 2017
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.0.2-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.1-bin.zip