diff --git a/build.gradle b/build.gradle
index 4c713c592..2349481f1 100644
--- a/build.gradle
+++ b/build.gradle
@@ -19,9 +19,9 @@ buildscript {
     google()
   }
   dependencies {
-    classpath 'com.android.tools.build:gradle:3.3.1'
+    classpath 'com.android.tools.build:gradle:3.1.0'
     if (googleFile.exists()) {
-      classpath 'com.google.gms:google-services:3.3.1'
+      classpath 'com.google.gms:google-services:3.1.0'
     }
   }
 }