diff --git a/clsx.d.mts b/clsx.d.mts
new file mode 100644
index 0000000..2220c93
--- /dev/null
+++ b/clsx.d.mts
@@ -0,0 +1,6 @@
+export type ClassValue = ClassArray | ClassDictionary | string | number | null | boolean | undefined;
+export type ClassDictionary = Record<string, any>;
+export type ClassArray = ClassValue[];
+
+export function clsx(...inputs: ClassValue[]): string;
+export default clsx;
diff --git a/clsx.d.ts b/clsx.d.ts
index f557360..b86650a 100644
--- a/clsx.d.ts
+++ b/clsx.d.ts
@@ -1,6 +1,10 @@
-export type ClassValue = ClassArray | ClassDictionary | string | number | null | boolean | undefined;
-export type ClassDictionary = Record<string, any>;
-export type ClassArray = ClassValue[];
+declare namespace clsx {
+	type ClassValue = ClassArray | ClassDictionary | string | number | null | boolean | undefined;
+	type ClassDictionary = Record<string, any>;
+	type ClassArray = ClassValue[];
+	function clsx(...inputs: ClassValue[]): string;
+}
 
-export declare function clsx(...inputs: ClassValue[]): string;
-export default clsx;
+declare function clsx(...inputs: clsx.ClassValue[]): string;
+
+export = clsx;
diff --git a/package.json b/package.json
index 8f2f743..bf411e9 100644
--- a/package.json
+++ b/package.json
@@ -3,9 +3,19 @@
   "version": "1.2.1",
   "repository": "lukeed/clsx",
   "description": "A tiny (228B) utility for constructing className strings conditionally.",
-  "module": "dist/clsx.m.js",
+  "module": "dist/clsx.mjs",
   "unpkg": "dist/clsx.min.js",
   "main": "dist/clsx.js",
+  "exports": {
+    "import": {
+      "types": "./clsx.d.mts",
+      "default": "./dist/clsx.mjs"
+    },
+    "default": {
+      "types": "./clsx.d.ts",
+      "default": "./dist/clsx.js"
+    }
+  },
   "types": "clsx.d.ts",
   "license": "MIT",
   "author": {