diff --git a/android/.gitignore b/android/.gitignore
index 8db79c32..f3fc352a 100644
--- a/android/.gitignore
+++ b/android/.gitignore
@@ -65,4 +65,5 @@ fastlane/test_output
 fastlane/readme.md
 
 **/assets/
-**/src/main/res/drawable/
\ No newline at end of file
+**/src/main/res/drawable/
+**/.cxx/
\ No newline at end of file
diff --git a/android/build.gradle b/android/build.gradle
index 9d09ac33..eb06cd47 100644
--- a/android/build.gradle
+++ b/android/build.gradle
@@ -6,7 +6,7 @@ buildscript {
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.4.2'
+        classpath 'com.android.tools.build:gradle:4.2.0'
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files
     }