diff --git a/libraries/tools/kotlin-gradle-plugin-api/src/main/kotlin/org/jetbrains/kotlin/gradle/dsl/KotlinCommonOptions.kt b/libraries/tools/kotlin-gradle-plugin-api/src/main/kotlin/org/jetbrains/kotlin/gradle/dsl/KotlinCommonOptions.kt
index a9a82ebf074..425044dfeb7 100644
--- a/libraries/tools/kotlin-gradle-plugin-api/src/main/kotlin/org/jetbrains/kotlin/gradle/dsl/KotlinCommonOptions.kt
+++ b/libraries/tools/kotlin-gradle-plugin-api/src/main/kotlin/org/jetbrains/kotlin/gradle/dsl/KotlinCommonOptions.kt
@@ -7,14 +7,14 @@ interface KotlinCommonOptions  : org.jetbrains.kotlin.gradle.dsl.KotlinCommonToo
 
     /**
      * Allow using declarations only from the specified version of bundled libraries
-     * Possible values: "1.3 (DEPRECATED)", "1.4 (DEPRECATED)", "1.5", "1.6", "1.7 (EXPERIMENTAL)"
+     * Possible values: "1.3 (DEPRECATED)", "1.4 (DEPRECATED)", "1.5", "1.6", "1.7 (EXPERIMENTAL)", "1.8 (EXPERIMENTAL)", "1.9 (EXPERIMENTAL)"
      * Default value: null
      */
      var apiVersion: kotlin.String?
 
     /**
      * Provide source compatibility with the specified version of Kotlin
-     * Possible values: "1.4 (DEPRECATED)", "1.5", "1.6", "1.7 (EXPERIMENTAL)"
+     * Possible values: "1.4 (DEPRECATED)", "1.5", "1.6", "1.7 (EXPERIMENTAL)", "1.8 (EXPERIMENTAL)", "1.9 (EXPERIMENTAL)"
      * Default value: null
      */
      var languageVersion: kotlin.String?