diff --git a/gradle.properties b/gradle.properties
index 9035a628f6c..01e471447d0 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -15,8 +15,8 @@
 #
 
 # A version of the Kotlin compiler that is used to build Kotlin/Native.
-buildKotlinVersion=1.4.0-dev-9619
-buildKotlinCompilerRepo=https://teamcity.jetbrains.com/guestAuth/app/rest/builds/buildType:(id:Kotlin_KotlinPublic_Compiler),number:1.4.0-dev-9619,branch:default:any,pinned:true/artifacts/content/maven
+buildKotlinVersion=1.4.20-dev-2133
+buildKotlinCompilerRepo=https://teamcity.jetbrains.com/guestAuth/app/rest/builds/buildType:(id:Kotlin_KotlinPublic_Compiler),number:1.4.20-dev-2133,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:1.4.20-dev-2426,branch:default:any,pinned:true/artifacts/content/maven
 kotlinVersion=1.4.20-dev-2426