diff --git a/package.json b/package.json
index 96f1ab58..74701c10 100644
--- a/package.json
+++ b/package.json
@@ -33,7 +33,7 @@
     "coverage": "jest --coverage",
     "coveralls": "jest --coverage && cat ./coverage/lcov.info | ./node_modules/.bin/coveralls && rm -rf ./coverage",
     "build": "rimraf dist/ && tsdx build --name immer --format esm,cjs,umd && yarn build:flow",
-    "build:flow": "cpx 'src/types/immer.js.flow' dist -v",
+    "build:flow": "cpx 'src/types/index.js.flow' dist -v",
     "publish-docs": "cd website && GIT_USER=mweststrate USE_SSH=true yarn run publish-gh-pages",
     "start": "cd website && yarn start",
     "test:size": "yarn build && yarn import-size --report . produce enableES5 enableMapSet enablePatches enableAllPlugins",
diff --git a/src/types/immer.js.flow b/src/types/index.js.flow
similarity index 100%
rename from src/types/immer.js.flow
rename to src/types/index.js.flow