package.json in trackler-2.1.0.12

- old
+ new

@@ -7,13 +7,13 @@
   "repository": {
     "type": "git",
     "url": "https://github.com/exercism/xecmascript"
   },
   "devDependencies": {
-    "babel-jest": "^19.0.0",
-    "babel-preset-env": "^1.3.3",
+    "babel-jest": "^20.0.1",
+    "babel-preset-env": "^1.4.0",
     "eslint": "^3.19.0",
-    "jest": "^19.0.2"
+    "jest": "^20.0.1"
   },
   "jest": {
     "modulePathIgnorePatterns": [
       "package.json"
     ]