diff --git a/gradle.properties b/gradle.properties
index 44e941fe0a0..55f8c181956 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -18,12 +18,12 @@
 buildKotlinVersion=1.4.20-dev-2167
 buildKotlinCompilerRepo=https://teamcity.jetbrains.com/guestAuth/app/rest/builds/buildType:(id:Kotlin_KotlinPublic_Compiler),number:1.4.20-dev-2167,branch:default:any,pinned:true/artifacts/content/maven
 remoteRoot=konan_tests
-kotlinCompilerRepo=https://teamcity.jetbrains.com/guestAuth/app/rest/builds/buildType:(id:Kotlin_KotlinPublic_Compiler),number:1.4.30-dev-1514,branch:default:any,pinned:true/artifacts/content/maven
-kotlinVersion=1.4.30-dev-1514
-kotlinStdlibRepo=https://teamcity.jetbrains.com/guestAuth/app/rest/builds/buildType:(id:Kotlin_KotlinPublic_Compiler),number:1.4.30-dev-1514,branch:default:any,pinned:true/artifacts/content/maven
-kotlinStdlibVersion=1.4.30-dev-1514
-kotlinStdlibTestsVersion=1.4.30-dev-1514
-testKotlinCompilerVersion=1.4.30-dev-1514
+kotlinCompilerRepo=https://teamcity.jetbrains.com/guestAuth/app/rest/builds/buildType:(id:Kotlin_KotlinPublic_Compiler),number:1.4.30-dev-1638,branch:default:any,pinned:true/artifacts/content/maven
+kotlinVersion=1.4.30-dev-1638
+kotlinStdlibRepo=https://teamcity.jetbrains.com/guestAuth/app/rest/builds/buildType:(id:Kotlin_KotlinPublic_Compiler),number:1.4.30-dev-1638,branch:default:any,pinned:true/artifacts/content/maven
+kotlinStdlibVersion=1.4.30-dev-1638
+kotlinStdlibTestsVersion=1.4.30-dev-1638
+testKotlinCompilerVersion=1.4.30-dev-1638
 konanVersion=1.4.30
 
 # A version of Xcode required to build the Kotlin/Native compiler.