diff --git a/.travis.yml b/.travis.yml
index 77ed5e4d..03244427 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,7 +5,7 @@ jdk:
 env:
   global:
     - ANDROID=28
-    - ANDROID_BUILD_TOOLS=28.0.2
+    - ANDROID_BUILD_TOOLS=28.0.3
     - GRADLE_OPTS="-Xmx2048m"
     - secure: 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
     - secure: 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
diff --git a/build.gradle b/build.gradle
index 2d1d3a89..c7a270b7 100644
--- a/build.gradle
+++ b/build.gradle
@@ -4,8 +4,8 @@ buildscript {
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.1.4'
-        classpath 'com.github.dcendents:android-maven-gradle-plugin:2.0'
+        classpath 'com.android.tools.build:gradle:3.2.0'
+        classpath 'com.github.dcendents:android-maven-gradle-plugin:2.1'
     }
 }
 
@@ -14,7 +14,7 @@ allprojects {
     version = 'master-SNAPSHOT'
     ext.isReleaseVersion = !version.endsWith("SNAPSHOT")
 
-    ext.androidBuildVersionTools = "28.0.2"
+    ext.androidBuildVersionTools = "28.0.3"
     ext.gdxVersion = "1.9.8"
     ext.gwtVersion = "2.8.0"
     ext.slf4jVersion = "1.7.25"
diff --git a/gradle/wrapper/gradle-wrapper.jar b/gradle/wrapper/gradle-wrapper.jar
index 7a3265ee..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 3c6a4f74..9a4163a4 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Wed Mar 28 09:56:50 EEST 2018
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.6-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip