diff --git a/CHANGELOG.md b/CHANGELOG.md
index 68e801a..b2d76c1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,7 +1,7 @@
 ## Changelog
 
-### [v2.3.3](https://github.com/panates/jsopen-objects/compare/v2.3.2...v2.3.3) - 
+### [v2.3.4](https://github.com/panates/jsopen-objects/compare/v2.3.3...v2.3.4) - 
 
-#### 📖 Documentation Changes
+#### 🛠 Refactoring and Updates
 
-- docs: add TSDoc to every exported function @Eray Hanoğlu 
+- refactor: refine `isPlainObject` to improve type safety with `Record<string, any>` @Eray Hanoğlu 
diff --git a/package-lock.json b/package-lock.json
index 918c223..b2766a2 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@jsopen/objects",
-  "version": "2.3.3",
+  "version": "2.3.4",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@jsopen/objects",
-      "version": "2.3.3",
+      "version": "2.3.4",
       "license": "MIT",
       "dependencies": {
         "tslib": "^2.8.1"
diff --git a/package.json b/package.json
index e3e2804..a4b420c 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@jsopen/objects",
   "description": "Helper utilities for working with JavaScript objects and arrays",
-  "version": "2.3.3",
+  "version": "2.3.4",
   "author": "Panates",
   "license": "MIT",
   "private": true,
@@ -60,7 +60,10 @@
     "./package.json": "./package.json"
   },
   "contributors": [
-    "Eray Hanoglu <e.hanoglu@panates.com>"
+    "Eray Hanoglu <e.hanoglu@panates.com>",
+    "Ilker Gurelli <i.gurelli@panates.com>",
+    "Onur Tokel <o.tokel@panates.com>",
+    "Bircan Yuruk <b.yuruk@panates.com>"
   ],
   "repository": {
     "type": "git",
diff --git a/src/is-object.ts b/src/is-object.ts
index 08ad17c..73a1da1 100644
--- a/src/is-object.ts
+++ b/src/is-object.ts
@@ -34,7 +34,7 @@ export function isObject(v: any): boolean {
  * isPlainObject(new (class {})());     // false
  * isPlainObject([]);                   // false
  */
-export function isPlainObject(obj: any): boolean {
+export function isPlainObject(obj: any): obj is Record<string, any> {
   if (
     obj &&
     typeof obj === 'object' &&