diff --git a/samples/androidNativeActivity/gradle.properties b/samples/androidNativeActivity/gradle.properties
index aa5776436cf..8b6e530b27f 100644
--- a/samples/androidNativeActivity/gradle.properties
+++ b/samples/androidNativeActivity/gradle.properties
@@ -6,7 +6,7 @@ org.gradle.workers.max=4
 
 # Pin Kotlin version:
 # CHANGE_VERSION_WITH_RELEASE
-kotlin_version=1.3.40-dev-1480
+kotlin_version=1.3.40-eap-40
 
 # Use custom Kotlin/Native home:
 org.jetbrains.kotlin.native.home=../../dist
diff --git a/samples/calculator/gradle.properties b/samples/calculator/gradle.properties
index 2a88bf492cb..2cc1ea8f3f1 100644
--- a/samples/calculator/gradle.properties
+++ b/samples/calculator/gradle.properties
@@ -6,7 +6,7 @@ org.gradle.workers.max=4
 
 # Pin Kotlin version:
 # CHANGE_VERSION_WITH_RELEASE
-kotlin_version=1.3.40-dev-1480
+kotlin_version=1.3.40-eap-40
 
 # Use custom Kotlin/Native home:
 org.jetbrains.kotlin.native.home=../../../dist
diff --git a/samples/cocoapods/kotlin-library/gradle.properties b/samples/cocoapods/kotlin-library/gradle.properties
index 2a88bf492cb..2cc1ea8f3f1 100644
--- a/samples/cocoapods/kotlin-library/gradle.properties
+++ b/samples/cocoapods/kotlin-library/gradle.properties
@@ -6,7 +6,7 @@ org.gradle.workers.max=4
 
 # Pin Kotlin version:
 # CHANGE_VERSION_WITH_RELEASE
-kotlin_version=1.3.40-dev-1480
+kotlin_version=1.3.40-eap-40
 
 # Use custom Kotlin/Native home:
 org.jetbrains.kotlin.native.home=../../../dist