diff --git a/gradle.properties b/gradle.properties
index 76219de3041..216d3563aa9 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -15,19 +15,19 @@
 #
 
 # A version of the Kotlin "toolchain" (compiler, runtime, stdlib etc) used by the build script.
-buildKotlinVersion=1.3.50-dev-630
-buildKotlinCompilerRepo=https://teamcity.jetbrains.com/guestAuth/app/rest/builds/buildType:(id:Kotlin_dev_Compiler),number:1.3.50-dev-630,branch:default:any,pinned:true/artifacts/content/maven
+buildKotlinVersion=1.3.50-dev-787
+buildKotlinCompilerRepo=https://teamcity.jetbrains.com/guestAuth/app/rest/builds/buildType:(id:Kotlin_dev_Compiler),number:1.3.50-dev-787,branch:default:any,pinned:true/artifacts/content/maven
 remoteRoot=konan_tests
-kotlinCompilerRepo=https://teamcity.jetbrains.com/guestAuth/app/rest/builds/buildType:(id:Kotlin_dev_Compiler),number:1.3.50-dev-770,branch:default:any,pinned:true/artifacts/content/maven
-kotlinVersion=1.3.50-dev-770
-kotlinStdlibRepo=https://teamcity.jetbrains.com/guestAuth/app/rest/builds/buildType:(id:Kotlin_dev_Compiler),number:1.3.50-dev-630,branch:default:any,pinned:true/artifacts/content/maven
-kotlinStdlibVersion=1.3.50-dev-630
-testKotlinCompilerVersion=1.3.50-dev-630
+kotlinCompilerRepo=https://teamcity.jetbrains.com/guestAuth/app/rest/builds/buildType:(id:Kotlin_dev_Compiler),number:1.3.50-dev-787,branch:default:any,pinned:true/artifacts/content/maven
+kotlinVersion=1.3.50-dev-787
+kotlinStdlibRepo=https://teamcity.jetbrains.com/guestAuth/app/rest/builds/buildType:(id:Kotlin_dev_Compiler),number:1.3.50-dev-787,branch:default:any,pinned:true/artifacts/content/maven
+kotlinStdlibVersion=1.3.50-dev-787
+testKotlinCompilerVersion=1.3.50-dev-787
 konanVersion=1.3.50
 org.gradle.jvmargs='-Dfile.encoding=UTF-8'
 org.gradle.workers.max=4
 #kotlinProjectPath=/Users/jetbrains/IdeaProjects/kotlin
 #sharedProjectPath=/Users/jetbrains/IdeaProjects/kotlin-native-shared
-kotlinProjectPath=/Users/jetbrains/kotlin-native/kotlin
+#kotlinProjectPath=/Users/jetbrains/kotlin-native/kotlin
 #sharedProjectPath=/Users/jetbrains/kotlin-native/kotlin-native-shared/kotlin-native-shared