diff --git a/app/build.gradle b/app/build.gradle
index 6c2a2c3..9be7de0 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -8,8 +8,8 @@ android {
         applicationId "org.secuso.privacyfriendlypausinghealthily"
         minSdkVersion 21
         targetSdkVersion 27
-        versionCode 3
-        versionName "1.2"
+        versionCode 4
+        versionName "1.2.1"
         vectorDrawables.useSupportLibrary = true
     }
     lintOptions {
diff --git a/build.gradle b/build.gradle
index 839bf11..44c1492 100644
--- a/build.gradle
+++ b/build.gradle
@@ -20,6 +20,7 @@ buildscript {
 allprojects {
     repositories {
         jcenter()
+        google()
     }
 }
 
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index bee1d60..2d05bda 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -4,3 +4,4 @@ distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
 distributionUrl=https\://services.gradle.org/distributions/gradle-4.6-all.zip
+distributionSha256Sum=9af7345c199f1731c187c96d3fe3d31f5405192a42046bafa71d846c3d9adacb