diff --git a/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/js/nodejs/TasksRequirements.kt b/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/js/nodejs/TasksRequirements.kt
index 43fc86cd4f0..b9237ef80ba 100644
--- a/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/js/nodejs/TasksRequirements.kt
+++ b/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/js/nodejs/TasksRequirements.kt
@@ -7,22 +7,32 @@ package org.jetbrains.kotlin.gradle.targets.js.nodejs
 
 import org.jetbrains.kotlin.gradle.plugin.mpp.KotlinJsCompilation
 import org.jetbrains.kotlin.gradle.targets.js.RequiredKotlinJsDependency
+import org.jetbrains.kotlin.gradle.targets.js.npm.NpmDependency
 import org.jetbrains.kotlin.gradle.targets.js.npm.RequiresNpmDependencies
 
 class TasksRequirements {
-    val byTask = mutableMapOf<RequiresNpmDependencies, Set<RequiredKotlinJsDependency>>()
-    private val byCompilation = mutableMapOf<KotlinJsCompilation, MutableList<RequiresNpmDependencies>>()
+    private val _byTask = mutableMapOf<RequiresNpmDependencies, Set<RequiredKotlinJsDependency>>()
+    private val byCompilation = mutableMapOf<KotlinJsCompilation, MutableSet<RequiresNpmDependencies>>()
 
-    fun getTaskRequirements(compilation: KotlinJsCompilation): Collection<RequiresNpmDependencies> =
-        byCompilation[compilation] ?: listOf()
+    val byTask: Map<RequiresNpmDependencies, Set<RequiredKotlinJsDependency>>
+        get() = _byTask
+
+    fun getCompilationNpmRequirements(compilation: KotlinJsCompilation): List<NpmDependency> =
+        byCompilation[compilation]
+            ?.asSequence()
+            ?.flatMap { it.requiredNpmDependencies.asSequence() }
+            ?.map { it.createDependency(compilation.target.project) }
+            ?.filterIsInstance<NpmDependency>()
+            ?.toList()
+            ?: listOf()
 
     fun addTaskRequirements(task: RequiresNpmDependencies) {
         val requirements = task.requiredNpmDependencies
 
-        byTask[task] = requirements
+        _byTask[task] = requirements
 
         byCompilation
-            .getOrPut(task.compilation) { mutableListOf() }
+            .getOrPut(task.compilation) { mutableSetOf() }
             .add(task)
     }
 }
\ No newline at end of file
diff --git a/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/js/npm/resolver/KotlinCompilationNpmResolver.kt b/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/js/npm/resolver/KotlinCompilationNpmResolver.kt
index 27abc24614e..75e77e92045 100644
--- a/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/js/npm/resolver/KotlinCompilationNpmResolver.kt
+++ b/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/js/npm/resolver/KotlinCompilationNpmResolver.kt
@@ -315,12 +315,7 @@ internal class KotlinCompilationNpmResolver(
                 .filterNotNull()
 
             val toolsNpmDependencies = nodeJs.taskRequirements
-                .getTaskRequirements(compilation)
-                .flatMap { requirement ->
-                    requirement.requiredNpmDependencies
-                }
-                .map { it.createDependency(project) }
-                .filterIsInstance<NpmDependency>()
+                .getCompilationNpmRequirements(compilation)
 
             val allNpmDependencies = externalNpmDependencies + toolsNpmDependencies
 
diff --git a/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/js/npm/tasks/KotlinPackageJsonTask.kt b/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/js/npm/tasks/KotlinPackageJsonTask.kt
index cbf595dfee3..36b04bc2055 100644
--- a/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/js/npm/tasks/KotlinPackageJsonTask.kt
+++ b/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/js/npm/tasks/KotlinPackageJsonTask.kt
@@ -11,7 +11,6 @@ import org.gradle.api.tasks.*
 import org.jetbrains.kotlin.gradle.plugin.mpp.KotlinJsCompilation
 import org.jetbrains.kotlin.gradle.targets.js.nodejs.NodeJsRootExtension
 import org.jetbrains.kotlin.gradle.targets.js.nodejs.NodeJsRootPlugin
-import org.jetbrains.kotlin.gradle.targets.js.npm.NpmDependency
 import org.jetbrains.kotlin.gradle.targets.js.npm.npmProject
 import org.jetbrains.kotlin.gradle.targets.js.npm.resolver.KotlinCompilationNpmResolver
 import org.jetbrains.kotlin.gradle.targets.js.npm.resolver.PACKAGE_JSON_UMBRELLA_TASK_NAME
@@ -38,10 +37,7 @@ open class KotlinPackageJsonTask : DefaultTask() {
     @get:Input
     internal val toolsNpmDependencies: List<String>
         get() = nodeJs.taskRequirements
-            .getTaskRequirements(compilation)
-            .flatMap { it.requiredNpmDependencies }
-            .map { it.createDependency(project) }
-            .filterIsInstance<NpmDependency>()
+            .getCompilationNpmRequirements(compilation)
             .map { it.uniqueRepresentation() }
 
     @get:Nested