diff --git a/gradle.properties b/gradle.properties
index 245083ea2fb..5188afad442 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -23,11 +23,11 @@ testDataVersion=1067176:id
 kotlinCompilerRepo=https://dl.bintray.com/jetbrains/kotlin-native-dependencies
 #kotlinCompilerRepo=http://oss.sonatype.org/content/repositories/snapshots
 #kotlinCompilerRepo=http://dl.bintray.com/kotlin/kotlin-dev
-kotlinVersion=1.1-20170916.214502-895
+kotlinVersion=1.1-20170919.214919-905
 konanVersion=0.3.3
 org.gradle.jvmargs='-Dfile.encoding=UTF-8'
 
 ##
 # required for performance mesuarement tasks
-kotlinStdLibJdk8Version=1.1-20170916.214349-804
-kotlinGradlePluginVersion=1.1-20170916.215405-873
+kotlinStdLibJdk8Version=1.1-20170919.214804-814
+kotlinGradlePluginVersion=1.1-20170919.215938-883