diff --git a/build.gradle.kts b/build.gradle.kts
index 3f37634f8f4..78c3af322bd 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -8,7 +8,7 @@ import org.jetbrains.kotlin.gradle.tasks.Kotlin2JsCompile
 buildscript {
     extra["defaultSnapshotVersion"] = "1.1-SNAPSHOT"
 
-    kotlinBootstrapFrom(BootstrapOption.BintrayDev("1.1.50-dev-1451"))
+    kotlinBootstrapFrom(BootstrapOption.BintrayDev("1.1.60-dev-277"))
 
     val repos = listOfNotNull(
             bootstrapKotlinRepo,