diff --git a/build.gradle.kts b/build.gradle.kts
index b1d843c94d0..8b193107afb 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -8,7 +8,7 @@ buildscript {
     extra["defaultSnapshotVersion"] = "1.4-SNAPSHOT"
     val cacheRedirectorEnabled = findProperty("cacheRedirectorEnabled")?.toString()?.toBoolean() == true
 
-    kotlinBootstrapFrom(BootstrapOption.BintrayBootstrap("1.3.70-dev-1806", cacheRedirectorEnabled))
+    kotlinBootstrapFrom(BootstrapOption.BintrayBootstrap("1.4.0-dev-1075", cacheRedirectorEnabled))
 
     repositories {
         bootstrapKotlinRepo?.let(::maven)