diff --git a/.changeset/sweet-seas-add.md b/.changeset/sweet-seas-add.md
new file mode 100644
index 000000000..0ad518841
--- /dev/null
+++ b/.changeset/sweet-seas-add.md
@@ -0,0 +1,5 @@
+---
+'@emotion/react': patch
+---
+
+Added export for `SerializedStyles` Flow type.
diff --git a/packages/react/src/index.js b/packages/react/src/index.js
index 7e472b619..00e47ccff 100644
--- a/packages/react/src/index.js
+++ b/packages/react/src/index.js
@@ -1,5 +1,6 @@
 // @flow
 import pkg from '../package.json'
+export type { SerializedStyles } from '@emotion/utils'
 export { withEmotionCache, CacheProvider } from './context'
 export { jsx } from './jsx'
 export { jsx as createElement } from './jsx'