diff --git a/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/js/NpmVersions.kt b/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/js/NpmVersions.kt
index 4ab40f6287d..65ea690cc1c 100644
--- a/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/js/NpmVersions.kt
+++ b/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/js/NpmVersions.kt
@@ -8,38 +8,31 @@ package org.jetbrains.kotlin.gradle.targets.js
 /**
  * Package versions used by tasks
  */
+// DO NOT MODIFY DIRECTLY! Use org.jetbrains.kotlin.generators.gradle.targets.js.MainKt
 class NpmVersions {
     val dukat = NpmPackageVersion("dukat", "0.5.7")
-
     val webpack = NpmPackageVersion("webpack", "4.44.1")
     val webpackCli = NpmPackageVersion("webpack-cli", "3.3.12")
     val webpackBundleAnalyzer = NpmPackageVersion("webpack-bundle-analyzer", "3.8.0")
     val webpackDevServer = NpmPackageVersion("webpack-dev-server", "3.11.0")
-
-    val sourceMapLoader = NpmPackageVersion("source-map-loader", "1.0.1")
+    val sourceMapLoader = NpmPackageVersion("source-map-loader", "1.1.0")
     val sourceMapSupport = NpmPackageVersion("source-map-support", "0.5.19")
-
-    val cssLoader = NpmPackageVersion("css-loader", "4.2.1")
+    val cssLoader = NpmPackageVersion("css-loader", "4.3.0")
     val styleLoader = NpmPackageVersion("style-loader", "1.2.1")
     val toStringLoader = NpmPackageVersion("to-string-loader", "1.1.6")
-    val miniCssExtractPlugin = NpmPackageVersion("mini-css-extract-plugin", "0.10.0")
-
-    val mocha = NpmPackageVersion("mocha", "8.1.1")
-
-    val karma = NpmPackageVersion("karma", "5.1.1")
-
+    val miniCssExtractPlugin = NpmPackageVersion("mini-css-extract-plugin", "0.11.1")
+    val mocha = NpmPackageVersion("mocha", "8.1.3")
+    val karma = NpmPackageVersion("karma", "5.2.2")
     val karmaChromeLauncher = NpmPackageVersion("karma-chrome-launcher", "3.1.0")
-    val karmaPhantomJsLauncher = NpmPackageVersion("karma-phantomjs-launcher", "1.0.4")
+    val karmaPhantomjsLauncher = NpmPackageVersion("karma-phantomjs-launcher", "1.0.4")
     val karmaFirefoxLauncher = NpmPackageVersion("karma-firefox-launcher", "1.3.0")
     val karmaOperaLauncher = NpmPackageVersion("karma-opera-launcher", "1.0.0")
     val karmaIeLauncher = NpmPackageVersion("karma-ie-launcher", "1.0.0")
     val karmaSafariLauncher = NpmPackageVersion("karma-safari-launcher", "1.0.0")
-
     val karmaMocha = NpmPackageVersion("karma-mocha", "2.0.1")
     val karmaWebpack = NpmPackageVersion("karma-webpack", "4.0.2")
     val karmaCoverage = NpmPackageVersion("karma-coverage", "2.0.3")
-
-    val karmaSourceMapLoader = NpmPackageVersion("karma-sourcemap-loader", "0.3.7")
+    val karmaSourcemapLoader = NpmPackageVersion("karma-sourcemap-loader", "0.3.8")
 
     val kotlinJsTestRunner = KotlinGradleNpmPackage("test-js-runner")
 }
\ No newline at end of file
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 6b4804df9b8..dd8248b7f81 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
@@ -139,7 +139,7 @@ class KotlinKarma(override val compilation: KotlinJsCompilation) :
         useChromeLike(debuggableChrome)
     }
 
-    fun usePhantomJS() = useBrowser("PhantomJS", versions.karmaPhantomJsLauncher)
+    fun usePhantomJS() = useBrowser("PhantomJS", versions.karmaPhantomjsLauncher)
 
     private fun useFirefoxLike(id: String) = useBrowser(id, versions.karmaFirefoxLauncher)
 
@@ -255,7 +255,7 @@ class KotlinKarma(override val compilation: KotlinJsCompilation) :
     }
 
     fun useSourceMapSupport() {
-        requiredDependencies.add(versions.karmaSourceMapLoader)
+        requiredDependencies.add(versions.karmaSourcemapLoader)
         sourceMaps = true
         addPreprocessor("sourcemap")
     }