diff --git a/.gitignore b/.gitignore
index 8eeb443be..989af3d92 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,6 +1,8 @@
 # IntelliJ
 .idea
 *.iml
+*.ipr
+*.iws
 
 # Mac OS X
 .DS_Store
diff --git a/build.gradle b/build.gradle
index 4d8ab5fec..df9a1391e 100644
--- a/build.gradle
+++ b/build.gradle
@@ -20,6 +20,7 @@ apply from: 'version.gradle'
 allprojects {
 	apply plugin: 'java'
 	apply plugin: 'eclipse'
+	apply plugin: 'idea'
 	apply plugin: 'jacoco'
 	apply plugin: 'net.ltgt.errorprone'