diff --git a/.gitignore b/.gitignore
index 2e11775..5d91f3a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -23,3 +23,4 @@ tools/stats/
 .settings/
 .project
 gradle/.launch
+/.idea/
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index aeb14d8..65cf7d8 100755
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-2.1-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-2.7-all.zip
diff --git a/gradlew.bat b/gradlew.bat
old mode 100755
new mode 100644