diff --git a/build.gradle b/build.gradle
index 2789ee2902..947988ebf5 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,5 +1,5 @@
 buildscript {
-    ext.kotlin_version = '1.4.10'
+    ext.kotlin_version = '1.3.11'
     repositories {
         google()
         mavenCentral()
@@ -10,7 +10,7 @@ buildscript {
     }
     dependencies {
         //classpath 'com.android.tools.build:gradle:2.+'
-        classpath 'com.android.tools.build:gradle:4.1.1'
+        classpath 'com.android.tools.build:gradle:3.2.1'
         classpath 'com.google.gms:google-services:3.0.0'
         classpath 'com.github.dcendents:android-maven-gradle-plugin:2.1'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"