diff --git a/gradle.properties b/gradle.properties
index 14a5ad899ea..31ee91fcead 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -18,12 +18,12 @@
 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
 remoteRoot=konan_tests
-kotlinCompilerRepo=https://teamcity.jetbrains.com/guestAuth/app/rest/builds/buildType:(id:Kotlin_KotlinPublic_Compiler),number:1.4.20-dev-554,branch:default:any,pinned:true/artifacts/content/maven
-kotlinVersion=1.4.20-dev-554
-kotlinStdlibRepo=https://teamcity.jetbrains.com/guestAuth/app/rest/builds/buildType:(id:Kotlin_KotlinPublic_Compiler),number:1.4.20-dev-554,branch:default:any,pinned:true/artifacts/content/maven
-kotlinStdlibVersion=1.4.20-dev-554
-kotlinStdlibTestsVersion=1.4.20-dev-554
-testKotlinCompilerVersion=1.4.20-dev-554
+kotlinCompilerRepo=https://teamcity.jetbrains.com/guestAuth/app/rest/builds/buildType:(id:Kotlin_KotlinPublic_Compiler),number:1.4.20-dev-971,branch:default:any,pinned:true/artifacts/content/maven
+kotlinVersion=1.4.20-dev-971
+kotlinStdlibRepo=https://teamcity.jetbrains.com/guestAuth/app/rest/builds/buildType:(id:Kotlin_KotlinPublic_Compiler),number:1.4.20-dev-971,branch:default:any,pinned:true/artifacts/content/maven
+kotlinStdlibVersion=1.4.20-dev-971
+kotlinStdlibTestsVersion=1.4.20-dev-971
+testKotlinCompilerVersion=1.4.20-dev-971
 konanVersion=1.4.20
 
 # A version of Xcode required to build the Kotlin/Native compiler.