diff --git a/package.json b/package.json
index 16b6eed..fbb6fdb 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
    "name": "@hibas123/logging",
-   "version": "4.0.0",
+   "version": "4.0.1",
    "description": "",
    "type": "module",
    "main": "esm/index.js",
diff --git a/tsconfig.json b/tsconfig.json
index b79f543..ae5e4d7 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -5,7 +5,8 @@
       "moduleResolution": "node",
       "outDir": "esm",
       "noImplicitAny": false,
-      "sourceMap": true
+      "sourceMap": true,
+      "declaration": true
    },
    "exclude": ["node_modules"],
    "include": ["src"]