diff --git a/libraries/tools/kotlin-gradle-plugin-api/src/main/kotlin/org/jetbrains/kotlin/gradle/plugin/KotlinNpmDependencyHandler.kt b/libraries/tools/kotlin-gradle-plugin-api/src/main/kotlin/org/jetbrains/kotlin/gradle/plugin/KotlinNpmDependencyHandler.kt
index 0ee0d525b06..f9a87eecd81 100644
--- a/libraries/tools/kotlin-gradle-plugin-api/src/main/kotlin/org/jetbrains/kotlin/gradle/plugin/KotlinNpmDependencyHandler.kt
+++ b/libraries/tools/kotlin-gradle-plugin-api/src/main/kotlin/org/jetbrains/kotlin/gradle/plugin/KotlinNpmDependencyHandler.kt
@@ -9,6 +9,7 @@ import org.gradle.api.artifacts.Dependency
 import java.io.File
 
 interface KotlinNpmDependencyHandler {
+    @Deprecated("Declaring NPM dependency without version is forbidden")
     fun npm(name: String): Dependency
 
     fun npm(name: String, version: String): Dependency
diff --git a/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/js/npm/NpmDependencyExtension.kt b/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/js/npm/NpmDependencyExtension.kt
index 9b85e354346..ae1460ae0e0 100644
--- a/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/js/npm/NpmDependencyExtension.kt
+++ b/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/js/npm/NpmDependencyExtension.kt
@@ -21,6 +21,7 @@ interface NpmDependencyExtension {
 }
 
 interface NpmDependencyWithNameOnlyExtension : NpmDependencyExtension {
+    @Deprecated("Declaring NPM dependency without version is forbidden")
     operator fun invoke(name: String): NpmDependency
 }