diff --git a/gradle.properties b/gradle.properties
index 99ca26e4190..b4e10473e8b 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -15,12 +15,12 @@
 #
 
 # A version of the Kotlin "toolchain" (compiler, runtime, stdlib etc) used by the build script.
-buildKotlinVersion=1.3.30-dev-1419
-buildKotlinCompilerRepo=https://teamcity.jetbrains.com/guestAuth/app/rest/builds/buildType:(id:Kotlin_dev_CompilerAllPlugins),number:1.3.30-dev-1419,pinned:true/artifacts/content/maven
+buildKotlinVersion=1.3.30-dev-1945
+buildKotlinCompilerRepo=https://teamcity.jetbrains.com/guestAuth/app/rest/builds/buildType:(id:Kotlin_dev_CompilerAllPlugins),number:1.3.30-dev-1945,pinned:true/artifacts/content/maven
 remoteRoot=konan_tests
-kotlinCompilerRepo=https://teamcity.jetbrains.com/guestAuth/app/rest/builds/buildType:(id:Kotlin_dev_CompilerAllPlugins),number:1.3.30-dev-1885,branch:default:true,pinned:true/artifacts/content/maven
-kotlinVersion=1.3.30-dev-1885
-testKotlinVersion=1.3.30-dev-1885
+kotlinCompilerRepo=https://teamcity.jetbrains.com/guestAuth/app/rest/builds/buildType:(id:Kotlin_dev_CompilerAllPlugins),number:1.3.30-dev-1987,branch:default:true,pinned:true/artifacts/content/maven
+kotlinVersion=1.3.30-dev-1987
+testKotlinVersion=1.3.30-dev-1987
 konanVersion=1.2.0
 org.gradle.jvmargs='-Dfile.encoding=UTF-8'
 org.gradle.workers.max=4