diff --git a/.gitignore b/.gitignore
index c91309874..692e4a404 100644
--- a/.gitignore
+++ b/.gitignore
@@ -23,4 +23,3 @@ local.properties
 # OS files
 *.DS_Store
 Thumbs.db
-*.properties
diff --git a/build.gradle b/build.gradle
index 120b5e3e3..85084cc75 100644
--- a/build.gradle
+++ b/build.gradle
@@ -5,7 +5,7 @@ buildscript {
         mavenCentral()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:2.3.0'
+        classpath 'com.android.tools.build:gradle:2.2.3'
     }
 }