diff --git a/gradle.properties b/gradle.properties
index 944bdc57566..82ffc69adc6 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -8,7 +8,7 @@ kotlin.compiler.newInferenceEnabled=true
 #maven.repository.mirror=http://repository.jetbrains.com/remote-repos/
 #bootstrap.kotlin.repo=https://dl.bintray.com/kotlin/kotlin-dev
 #bootstrap.kotlin.version=1.1.50-dev-1451
-bootstrap.kotlin.default.version=1.4.0-dev-6123
+bootstrap.kotlin.default.version=1.4.0-dev-7751
 
 #signingRequired=true