diff --git a/build.gradle b/build.gradle
index 197c2b5c7a6ddf339582feeea77cf4bbdf59cb5b..b99bb9e04aa2902cc7225018164d8a1586efe56a 100644
--- a/build.gradle
+++ b/build.gradle
@@ -14,8 +14,8 @@ plugins {
 final SOURCE_ENCODING = "UTF-8"
 
 wrapper {
-	distributionType = "ALL"
-	gradleVersion = "4.7"
+	gradleVersion = "4.8.1"
+	distributionType = Wrapper.DistributionType.ALL
 }
 
 repositories {
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index e6a30918ef80ee9e2c5671ae9d6c940c4c14e80a..debd024022baaf5f96b4c87f98247663c474a039 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.7-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.8.1-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists