diff --git a/.size-limit.json b/.size-limit.json
index af26700..5b9f623 100644
--- a/.size-limit.json
+++ b/.size-limit.json
@@ -1,19 +1,19 @@
 [
   {
     "name": "RichTextarea",
-    "path": "lib/index.mjs",
+    "path": "lib/index.js",
     "import": "{ RichTextarea }",
     "limit": "3 kB"
   },
   {
     "name": "experimental_RichInput",
-    "path": "lib/index.mjs",
+    "path": "lib/index.js",
     "import": "{ experimental_RichInput }",
     "limit": "3.5 kB"
   },
   {
     "name": "createRegexRenderer",
-    "path": "lib/index.mjs",
+    "path": "lib/index.js",
     "import": "{ createRegexRenderer }",
     "limit": "1.5 kB"
   }
diff --git a/package.json b/package.json
index 4f3c51d..3abd83c 100644
--- a/package.json
+++ b/package.json
@@ -3,14 +3,15 @@
   "version": "0.24.4",
   "description": "A small customizable textarea for React to colorize, highlight, decorate texts, offer autocomplete and much more.",
   "main": "lib/index.js",
-  "module": "lib/index.mjs",
+  "module": "lib/index.cjs",
   "types": "lib/index.d.ts",
+  "type": "module",
   "exports": {
     "./package.json": "./package.json",
     ".": {
       "types": "./lib/index.d.ts",
-      "import": "./lib/index.mjs",
-      "default": "./lib/index.js"
+      "import": "./lib/index.js",
+      "default": "./lib/index.cjs"
     }
   },
   "files": [
diff --git a/rollup.config.mjs b/rollup.config.js
similarity index 100%
rename from rollup.config.mjs
rename to rollup.config.js