diff --git a/build.gradle b/build.gradle
index b5a2c100..7c4ce9ba 100644
--- a/build.gradle
+++ b/build.gradle
@@ -56,10 +56,6 @@ task sourcesJar(type: Jar, dependsOn:classes) {
 
 artifacts { archives sourcesJar }
 
-task wrapper(type: Wrapper) {
-    gradleVersion = "4.6"
-}
-
 test {
     useJUnitPlatform {
         includeEngines 'junit-jupiter'
diff --git a/gradle/wrapper/gradle-wrapper.jar b/gradle/wrapper/gradle-wrapper.jar
index 0d4a9516..f6b961fd 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 bf3de218..430dfabc 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-4.6-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-5.5.1-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists