Fix caret

Author: joshwcomeau

Diff for: packages/react-scripts/package.json

@@ -29,7 +29,7 @@
     "babel-jest": "22.1.0",
     "babel-loader": "8.0.0-beta.0",
     "babel-preset-react-app": "^3.1.1",
-    "bfj": "^5.2.0",
+    "bfj": "5.2.0",
     "case-sensitive-paths-webpack-plugin": "2.1.1",
     "chalk": "2.3.0",
     "css-loader": "0.28.9",