diff --git a/gradle.properties b/gradle.properties
index 59aea9a5146..522d6d6027f 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_dev_CompilerAllPlugins),number:1.3.20-dev-689,tag:kotlin-native,pinned:true/artifacts/content/maven
 kotlinVersion=1.3.20-dev-689
-testKotlinVersion=1.3.20-dev-689
+testKotlinVersion=1.3.20-dev-785
 konanVersion=1.1.0
 org.gradle.jvmargs='-Dfile.encoding=UTF-8'
 org.gradle.workers.max=4