diff --git a/packages/micromark-extension-kbd-nested/tsconfig.build.json b/packages/micromark-extension-kbd-nested/tsconfig.build.json
index 7875b6e..a1d104f 100644
--- a/packages/micromark-extension-kbd-nested/tsconfig.build.json
+++ b/packages/micromark-extension-kbd-nested/tsconfig.build.json
@@ -3,8 +3,8 @@
   "include": ["src"],
   "exclude": ["node_modules", "tests"],
   "compilerOptions": {
-    "outDir": "lib/esm",
+    "outDir": "lib",
     "declaration": true,
-    "declarationDir": "lib/esm"
+    "declarationDir": "lib"
   }
 }