diff --git a/samples/gradle.properties b/samples/gradle.properties
index 454cfd94001..6a84bd78324 100644
--- a/samples/gradle.properties
+++ b/samples/gradle.properties
@@ -5,7 +5,7 @@ org.gradle.parallel=true
 
 # Pin Kotlin version:
 # CHANGE_VERSION_WITH_RELEASE
-kotlin_version=1.3.40-dev-1480
+kotlin_version=1.3.40-dev-2451
 
 # Use custom Kotlin/Native home:
 org.jetbrains.kotlin.native.home=../../dist