diff --git a/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/js/testing/karma/KotlinKarma.kt b/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/js/testing/karma/KotlinKarma.kt
index 6842593d957..172c970be20 100644
--- a/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/js/testing/karma/KotlinKarma.kt
+++ b/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/js/testing/karma/KotlinKarma.kt
@@ -128,6 +128,11 @@ class KotlinKarma(override val compilation: KotlinJsCompilation) : KotlinJsTestF
             it.appendln("config.set({webpack: createWebpackConfig()});")
             it.appendln()
         }
+
+        requiredDependencies.add(versions.webpack)
+        requiredDependencies.add(versions.webpackCli)
+        requiredDependencies.add(versions.sourceMapLoader)
+        requiredDependencies.add(versions.sourceMapSupport)
     }
 
     fun useCoverage(