diff --git a/build.gradle b/build.gradle
index 225bc34b..39cdbbbb 100644
--- a/build.gradle
+++ b/build.gradle
@@ -20,7 +20,7 @@ buildscript {
         google()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.1.0'
+        classpath 'com.android.tools.build:gradle:3.1.3'
         classpath 'com.github.dcendents:android-maven-gradle-plugin:2.0'
     }
 }
diff --git a/extern/GmsApi b/extern/GmsApi
index db0be6ba..243b43f0 160000
--- a/extern/GmsApi
+++ b/extern/GmsApi
@@ -1 +1 @@
-Subproject commit db0be6ba010f52b4d12e69aed2482c38a3c2406c
+Subproject commit 243b43f0968f63c0ebd5ab574485ba05f84ebce0
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 6a4a18a5..9ec837b2 100755
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Sat Apr 22 15:09:21 CEST 2017
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4.1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.8-all.zip