diff --git a/samples/gradle.properties b/samples/gradle.properties
index 056f49c89be..caea358fd57 100644
--- a/samples/gradle.properties
+++ b/samples/gradle.properties
@@ -4,7 +4,7 @@ kotlin.code.style=official
 org.gradle.parallel=true
 
 # Pin Kotlin version:
-kotlin_version=1.3.30-eap-113
+kotlin_version=1.3.40-dev-1480
 
 # Use custom Kotlin/Native home:
 org.jetbrains.kotlin.native.home=../../dist