diff --git a/gradle.properties b/gradle.properties
index 0b6b7159365..c3a0abf3c85 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -21,7 +21,7 @@ remoteRoot=konan_tests
 testDataVersion=1226829:id
 kotlinCompilerRepo=https://teamcity.jetbrains.com/guestAuth/app/rest/builds/buildType:(id:Kotlin_130_CompilerAllPlugins),number:1.3.0-rc-68,tag:kotlin-native,pinned:true/artifacts/content/maven
 kotlinVersion=1.3.0-rc-68
-testKotlinVersion=1.3.0-rc-52
+testKotlinVersion=1.3.0-rc-100
 konanVersion=0.9.3
 org.gradle.jvmargs='-Dfile.encoding=UTF-8'
 org.gradle.workers.max=4