diff --git a/build.gradle.kts b/build.gradle.kts
index 59a4d60bfc7..61c13a6d083 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -13,7 +13,7 @@ import proguard.gradle.ProGuardTask
 buildscript {
     extra["defaultSnapshotVersion"] = "1.3-SNAPSHOT"
 
-    kotlinBootstrapFrom(BootstrapOption.TeamCity("1.3.0-dev-496", onlySuccessBootstrap = false))
+    kotlinBootstrapFrom(BootstrapOption.TeamCity("1.3.20-dev-258", onlySuccessBootstrap = false))
 
     repositories {
         bootstrapKotlinRepo?.let(::maven)