diff --git a/tests/android/build.gradle b/tests/android/build.gradle
index 41f6c1d8..48e679ff 100644
--- a/tests/android/build.gradle
+++ b/tests/android/build.gradle
@@ -5,7 +5,7 @@ buildscript {
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:2.3.0'
+        classpath 'com.android.tools.build:gradle:2.3.1'
         classpath 'com.google.gms:google-services:3.0.0'
 
         // NOTE: Do not place your application dependencies here; they belong
diff --git a/tests/android/gradle.properties b/tests/android/gradle.properties
index 1fd964e9..16374225 100644
--- a/tests/android/gradle.properties
+++ b/tests/android/gradle.properties
@@ -18,3 +18,4 @@
 # org.gradle.parallel=true
 
 android.useDeprecatedNdk=true
+org.gradle.jvmargs=-Xmx1536M