diff --git a/.changeset/flat-schools-crash.md b/.changeset/flat-schools-crash.md
new file mode 100644
index 000000000..52411b8b4
--- /dev/null
+++ b/.changeset/flat-schools-crash.md
@@ -0,0 +1,5 @@
+---
+'@emotion/react': patch
+---
+
+Shorten the path of the "private" `isolated-hoist-non-react-statics-do-not-use-this-in-your-code` entrypoint to avoid exeeding path limitations on Windows.
diff --git a/packages/react/_isolated-hnrs/package.json b/packages/react/_isolated-hnrs/package.json
new file mode 100644
index 000000000..33a92e72b
--- /dev/null
+++ b/packages/react/_isolated-hnrs/package.json
@@ -0,0 +1,13 @@
+{
+  "main": "dist/emotion-react-_isolated-hnrs.cjs.js",
+  "module": "dist/emotion-react-_isolated-hnrs.esm.js",
+  "umd:main": "dist/emotion-react-_isolated-hnrs.umd.min.js",
+  "browser": {
+    "./dist/emotion-react-_isolated-hnrs.cjs.js": "./dist/emotion-react-_isolated-hnrs.browser.cjs.js",
+    "./dist/emotion-react-_isolated-hnrs.esm.js": "./dist/emotion-react-_isolated-hnrs.browser.esm.js"
+  },
+  "sideEffects": false,
+  "preconstruct": {
+    "umdName": "emotionHoistNonReactStatics"
+  }
+}
diff --git a/packages/react/isolated-hoist-non-react-statics-do-not-use-this-in-your-code/package.json b/packages/react/isolated-hoist-non-react-statics-do-not-use-this-in-your-code/package.json
deleted file mode 100644
index ba8cb819c..000000000
--- a/packages/react/isolated-hoist-non-react-statics-do-not-use-this-in-your-code/package.json
+++ /dev/null
@@ -1,13 +0,0 @@
-{
-  "main": "dist/emotion-react-isolated-hoist-non-react-statics-do-not-use-this-in-your-code.cjs.js",
-  "module": "dist/emotion-react-isolated-hoist-non-react-statics-do-not-use-this-in-your-code.esm.js",
-  "umd:main": "dist/emotion-react-isolated-hoist-non-react-statics-do-not-use-this-in-your-code.umd.min.js",
-  "browser": {
-    "./dist/emotion-react-isolated-hoist-non-react-statics-do-not-use-this-in-your-code.cjs.js": "./dist/emotion-react-isolated-hoist-non-react-statics-do-not-use-this-in-your-code.browser.cjs.js",
-    "./dist/emotion-react-isolated-hoist-non-react-statics-do-not-use-this-in-your-code.esm.js": "./dist/emotion-react-isolated-hoist-non-react-statics-do-not-use-this-in-your-code.browser.esm.js"
-  },
-  "sideEffects": false,
-  "preconstruct": {
-    "umdName": "emotionHoistNonReactStatics"
-  }
-}
diff --git a/packages/react/package.json b/packages/react/package.json
index abfccac2a..cb7feec3d 100644
--- a/packages/react/package.json
+++ b/packages/react/package.json
@@ -13,7 +13,7 @@
     "dist",
     "jsx-runtime",
     "jsx-dev-runtime",
-    "isolated-hoist-non-react-statics-do-not-use-this-in-your-code",
+    "_isolated-hnrs",
     "types/*.d.ts",
     "macro.js",
     "macro.d.ts",
@@ -68,7 +68,7 @@
       "./index.js",
       "./jsx-runtime.js",
       "./jsx-dev-runtime.js",
-      "./isolated-hoist-non-react-statics-do-not-use-this-in-your-code.js"
+      "./_isolated-hnrs.js"
     ],
     "umdName": "emotionReact"
   }
diff --git a/packages/react/src/isolated-hoist-non-react-statics-do-not-use-this-in-your-code.js b/packages/react/src/_isolated-hnrs.js
similarity index 100%
rename from packages/react/src/isolated-hoist-non-react-statics-do-not-use-this-in-your-code.js
rename to packages/react/src/_isolated-hnrs.js
diff --git a/packages/react/src/theming.js b/packages/react/src/theming.js
index 16c6d91cd..972b5b5d7 100644
--- a/packages/react/src/theming.js
+++ b/packages/react/src/theming.js
@@ -1,7 +1,7 @@
 // @flow
 import * as React from 'react'
 import weakMemoize from '@emotion/weak-memoize'
-import hoistNonReactStatics from './isolated-hoist-non-react-statics-do-not-use-this-in-your-code'
+import hoistNonReactStatics from './_isolated-hnrs'
 
 export const ThemeContext = /* #__PURE__ */ React.createContext<Object>({})
 if (process.env.NODE_ENV !== 'production') {
diff --git a/packages/react/src/utils.js b/packages/react/src/utils.js
index 165eb7c68..8f03da492 100644
--- a/packages/react/src/utils.js
+++ b/packages/react/src/utils.js
@@ -1,4 +1,4 @@
 // @flow
 export let isBrowser = typeof document !== 'undefined'
 
-export const hasOwnProperty = Object.prototype.hasOwnProperty
+export const hasOwnProperty = {}.hasOwnProperty