diff --git a/package-lock.json b/package-lock.json
index ed1f62b..330b402 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -23,6 +23,7 @@
         "angular-in-memory-web-api": "^0.18.0",
         "chance": "^1.1.4",
         "firebase": "^9.9.2",
+        "lodash.merge": "^4.6.2",
         "object-hash": "^2.0.3",
         "rxjs": "7.5.3",
         "tslib": "^2.6.3",
@@ -16765,8 +16766,7 @@
     "node_modules/lodash.merge": {
       "version": "4.6.2",
       "resolved": "https://registry.npmjs.org/lodash.merge/-/lodash.merge-4.6.2.tgz",
-      "integrity": "sha512-0KpjqXRVvrYyCsX1swR/XTK0va6VQkQM6MNo7PqW77ByjAhoARA8EfrP1N4+KlKj8YS0ZUCtRT/YUuhyYDujIQ==",
-      "dev": true
+      "integrity": "sha512-0KpjqXRVvrYyCsX1swR/XTK0va6VQkQM6MNo7PqW77ByjAhoARA8EfrP1N4+KlKj8YS0ZUCtRT/YUuhyYDujIQ=="
     },
     "node_modules/lodash.set": {
       "version": "4.3.2",
diff --git a/package.json b/package.json
index 59fad8b..b351499 100644
--- a/package.json
+++ b/package.json
@@ -46,6 +46,7 @@
     "angular-in-memory-web-api": "^0.18.0",
     "chance": "^1.1.4",
     "firebase": "^9.9.2",
+    "lodash.merge": "^4.6.2",
     "object-hash": "^2.0.3",
     "rxjs": "7.5.3",
     "tslib": "^2.6.3",
diff --git a/projects/ngx-firestore-repository/package.json b/projects/ngx-firestore-repository/package.json
index 107303b..127fb37 100644
--- a/projects/ngx-firestore-repository/package.json
+++ b/projects/ngx-firestore-repository/package.json
@@ -1,10 +1,10 @@
 {
   "name": "@paddls/ngx-firestore-repository",
-  "version": "8.1.2-rc.2",
+  "version": "8.1.2-rc.3",
   "peerDependencies": {
     "@angular/common": ">= 18.0.0",
     "@angular/core": ">= 18.0.0",
-    "@paddls/ngx-repository": "^8.0.0 || 8.1.2-rc.2",
+    "@paddls/ngx-repository": "^8.0.0 || 8.1.2-rc.3",
     "firebase": ">= 9.9.2"
   },
   "dependencies": {
diff --git a/projects/ngx-http-repository/ng-package.json b/projects/ngx-http-repository/ng-package.json
index 0d43c70..980ff4b 100644
--- a/projects/ngx-http-repository/ng-package.json
+++ b/projects/ngx-http-repository/ng-package.json
@@ -5,5 +5,6 @@
     "entryFile": "src/public-api.ts"
   },
   "allowedNonPeerDependencies": [
+    "lodash.merge"
   ]
 }
diff --git a/projects/ngx-http-repository/package.json b/projects/ngx-http-repository/package.json
index 4b37213..2bc7edf 100644
--- a/projects/ngx-http-repository/package.json
+++ b/projects/ngx-http-repository/package.json
@@ -1,13 +1,14 @@
 {
   "name": "@paddls/ngx-http-repository",
-  "version": "8.1.2-rc.2",
+  "version": "8.1.2-rc.3",
   "peerDependencies": {
     "@angular/common": ">= 18.0.0",
     "@angular/core": ">= 18.0.0",
-    "@paddls/ngx-repository": "^8.0.0 || 8.1.2-rc.2"
+    "@paddls/ngx-repository": "^8.0.0 || 8.1.2-rc.3"
   },
   "dependencies": {
-    "tslib": "^2.0.0"
+    "tslib": "^2.0.0",
+    "lodash.merge": "^4.6.2"
   },
   "repository": {
     "type": "git",
diff --git a/projects/ngx-http-repository/src/lib/repository/http.repository.ts b/projects/ngx-http-repository/src/lib/repository/http.repository.ts
index ce854e4..8b0f17c 100644
--- a/projects/ngx-http-repository/src/lib/repository/http.repository.ts
+++ b/projects/ngx-http-repository/src/lib/repository/http.repository.ts
@@ -45,7 +45,7 @@ import { OnHttpResourceChange } from '../decorator/on-http-resource-change.decor
 import { Inject, Type } from '@angular/core';
 import { createHttpRepositoryConfiguration } from '../configuration/context/http-repository-context.configuration';
 import { HTTP_REPOSITORY_CONFIGURATION } from '../configuration/http-repository.configuration';
-import { mergeDeep } from '../utils/merge-deep';
+import merge from 'lodash.merge';
 
 @Repository(null, {
   requestBuilder: HttpRequestBuilder,
@@ -262,7 +262,7 @@ export class HttpRepository<T, K> extends AbstractRepository<T> implements FindA
   }
 
   protected getResourceConfiguration(resourceType: Type<any>, configuration: ResourceConfiguration): ResourceConfiguration {
-    const config = mergeDeep(configuration, Reflect.getMetadata(HTTP_RESOURCE_METADATA_KEY, resourceType));
+    const config = merge(configuration, Reflect.getMetadata(HTTP_RESOURCE_METADATA_KEY, resourceType));
 
     return createHttpRepositoryConfiguration(config);
   }
diff --git a/projects/ngx-repository/package.json b/projects/ngx-repository/package.json
index 8fd0cbe..24b3fc1 100644
--- a/projects/ngx-repository/package.json
+++ b/projects/ngx-repository/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@paddls/ngx-repository",
-  "version": "8.1.2-rc.2",
+  "version": "8.1.2-rc.3",
   "peerDependencies": {
     "@angular/common": ">=18.0.0",
     "@angular/core": ">=18.0.0"