Add missing dependency.

ghengeveld · ghengeveld · commit 0beac295e791 · 2019-02-27T14:11:57.000+01:00
diff --git a/package.json b/package.json
@@ -46,6 +46,7 @@
   },
   "devDependencies": {
     "babel-cli": "6.26.0",
+    "babel-core": "6.26.3",
     "babel-eslint": "10.0.1",
     "babel-preset-env": "1.7.0",
     "babel-preset-react": "6.24.1",
