diff --git a/build/android/build.gradle b/build/android/build.gradle
index b4dfd9085..c9e8d6d5a 100644
--- a/build/android/build.gradle
+++ b/build/android/build.gradle
@@ -5,7 +5,7 @@ buildscript {
 		google()
 	}
 	dependencies {
-		classpath "com.android.tools.build:gradle:3.0.1"
+		classpath "com.android.tools.build:gradle:3.1.3"
 	}
 }
 
@@ -16,7 +16,7 @@ android {
 	buildToolsVersion "26.0.2"
 
 	defaultConfig {
-		versionCode 17
+		versionCode 19
 		versionName "${System.env.VERSION_STR}.${versionCode}"
 		minSdkVersion 14
 		targetSdkVersion 14