diff --git a/packages/cli/package.json b/packages/cli/package.json
index f6a50d965..27775be15 100644
--- a/packages/cli/package.json
+++ b/packages/cli/package.json
@@ -66,6 +66,7 @@
     "react-native": "^0.60.0"
   },
   "devDependencies": {
+    "@types/graceful-fs": "^4.1.3",
     "@types/semver": "^6.0.2",
     "slash": "^3.0.0",
     "snapshot-diff": "^0.5.0"
diff --git a/packages/cli/src/index.js b/packages/cli/src/index.js
index 58a6737e7..0c4e0fc2a 100644
--- a/packages/cli/src/index.js
+++ b/packages/cli/src/index.js
@@ -8,6 +8,7 @@
  */
 
 // gracefulify() has to be called before anything else runs
+// $FlowFixMe - converted to TS
 import './tools/gracefulifyFs';
 import cli from './cliEntry';
 
diff --git a/packages/cli/src/tools/gracefulifyFs.js b/packages/cli/src/tools/gracefulifyFs.ts
similarity index 100%
rename from packages/cli/src/tools/gracefulifyFs.js
rename to packages/cli/src/tools/gracefulifyFs.ts