diff --git a/.npmignore b/.npmignore
deleted file mode 100644
index 9f5f00804c2..00000000000
--- a/.npmignore
+++ /dev/null
@@ -1,7 +0,0 @@
-_site
-bench
-coverage
-debug
-docs
-test
-.nyc_output
diff --git a/package.json b/package.json
index 3587dacad27..fa0db4d17a5 100644
--- a/package.json
+++ b/package.json
@@ -131,5 +131,11 @@
     "test-flow": "flow .",
     "test-cov": "nyc --require=flow-remove-types/register --reporter=text-summary --reporter=lcov --cache run-s test-unit test-render test-query",
     "prepublish": "in-publish && run-s build-dev build-min || not-in-publish"
-  }
+  },
+  "files": [
+    "dist/",
+    "flow-typed/",
+    "src/",
+    ".flowconfig"
+  ]
 }