diff --git a/gradle.properties b/gradle.properties
index 78a41637fc2..1bd868e534a 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -19,7 +19,7 @@ buildKotlinVersion=1.2.50
 remoteRoot=konan_tests
 kotlinCompilerRepo=https://teamcity.jetbrains.com/guestAuth/app/rest/builds/buildType:(id:Kotlin_dev_CompilerAllPlugins),number:1.2.70-dev-1218,tag:kotlin-native,pinned:true/artifacts/content/maven
 kotlinVersion=1.2.70-dev-1218
-testKotlinVersion=1.2.70-dev-979
+testKotlinVersion=1.2.70-dev-1125
 konanVersion=0.9
 org.gradle.jvmargs='-Dfile.encoding=UTF-8'