diff --git a/libraries/tools/kotlin-gradle-plugin-idea/build.gradle.kts b/libraries/tools/kotlin-gradle-plugin-idea/build.gradle.kts
index 0f3eafc6432..d3973cbe0af 100644
--- a/libraries/tools/kotlin-gradle-plugin-idea/build.gradle.kts
+++ b/libraries/tools/kotlin-gradle-plugin-idea/build.gradle.kts
@@ -5,6 +5,7 @@ plugins {
 kotlin.sourceSets.configureEach {
     languageSettings.apiVersion = "1.4"
     languageSettings.languageVersion = "1.4"
+    languageSettings.optIn("org.jetbrains.kotlin.gradle.kpm.idea.InternalKotlinGradlePluginApi")
 }
 
 dependencies {