diff --git a/package-lock.json b/package-lock.json
index 3e15f83..376b476 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -6200,6 +6200,12 @@
         }
       }
     },
+    "karma-babel-preprocessor": {
+      "version": "8.0.0-beta.0",
+      "resolved": "https://registry.npmjs.org/karma-babel-preprocessor/-/karma-babel-preprocessor-8.0.0-beta.0.tgz",
+      "integrity": "sha512-nv3GbDAKdonWuTJc+Kg4jEdRXzoP7uKKQ6HfTJb5PNTY+OJYKzrtUBUSez/wrutUFtztVT+MQxJHamd7MNCmBQ==",
+      "dev": true
+    },
     "karma-firefox-launcher": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/karma-firefox-launcher/-/karma-firefox-launcher-1.1.0.tgz",
diff --git a/package.json b/package.json
index 590504b..9adf163 100644
--- a/package.json
+++ b/package.json
@@ -37,6 +37,7 @@
     "html-webpack-plugin": "^3.2.0",
     "jszip": "^3.2.1",
     "karma": "^4.1.0",
+    "karma-babel-preprocessor": "^8.0.0-beta.0",
     "karma-firefox-launcher": "^1.1.0",
     "karma-html2js-preprocessor": "^1.1.0",
     "karma-mocha": "^1.3.0",