diff --git a/build.gradle.kts b/build.gradle.kts
index 828cc1232c9..f2f6169886d 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -12,7 +12,7 @@ import proguard.gradle.ProGuardTask
 buildscript {
     extra["defaultSnapshotVersion"] = "1.2-SNAPSHOT"
 
-    kotlinBootstrapFrom(BootstrapOption.TeamCity("1.2.60-dev-157", onlySuccessBootstrap = false))
+    kotlinBootstrapFrom(BootstrapOption.TeamCity("1.2.60-dev-170", onlySuccessBootstrap = false))
 
     val mirrorRepo: String? = findProperty("maven.repository.mirror")?.toString()
 
diff --git a/build.gradle.kts.182 b/build.gradle.kts.182
index caa1ad1fb75..f8fc893a3e7 100644
--- a/build.gradle.kts.182
+++ b/build.gradle.kts.182
@@ -12,7 +12,7 @@ import proguard.gradle.ProGuardTask
 buildscript {
     extra["defaultSnapshotVersion"] = "1.2-SNAPSHOT"
 
-    kotlinBootstrapFrom(BootstrapOption.TeamCity("1.2.60-dev-157", onlySuccessBootstrap = false))
+    kotlinBootstrapFrom(BootstrapOption.TeamCity("1.2.60-dev-170", onlySuccessBootstrap = false))
 
     val mirrorRepo: String? = findProperty("maven.repository.mirror")?.toString()