diff --git a/CHANGELOG.md b/CHANGELOG.md
index c4b14be..cb0faf3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,7 +7,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
-- Nothing yet!
+### Fixed
+
+- Update TypeScript types ([#284](https://github.com/tailwindlabs/tailwindcss-typography/pull/284/files))
 
 ## [0.5.6] - 2022-09-01
 
diff --git a/src/index.d.ts b/src/index.d.ts
index fc70688..5c38097 100644
--- a/src/index.d.ts
+++ b/src/index.d.ts
@@ -1,2 +1,9 @@
-declare function plugin(options?: { className?: string, target?: 'modern' | 'legacy' }): Function
+declare function plugin(options?: Partial<{ className: string; target: 'modern' | 'legacy' }>): {
+  handler: () => void
+}
+
+declare namespace plugin {
+  const __isOptionsFunction: true
+}
+
 export = plugin