diff --git a/backend/project/config/settings.py b/backend/project/config/settings.py
index 49aec92..f3239b1 100755
--- a/backend/project/config/settings.py
+++ b/backend/project/config/settings.py
@@ -49,6 +49,7 @@ INSTALLED_APPS = [
     # third party apps
     "rest_framework",
     "rest_framework_simplejwt",
+    "corsheaders",
     "drf_yasg",
     # project apps
     "users.apps.UsersConfig",
@@ -63,6 +64,8 @@ MIDDLEWARE = [
     "django.contrib.auth.middleware.AuthenticationMiddleware",
     "django.contrib.messages.middleware.MessageMiddleware",
     "django.middleware.clickjacking.XFrameOptionsMiddleware",
+    "corsheaders.middleware.CorsMiddleware",
+    "django.middleware.common.CommonMiddleware",
 ]
 
 ROOT_URLCONF = "config.urls"
@@ -151,3 +154,7 @@ REST_FRAMEWORK = {
 
 if DEBUG and not (TESTING or MIGRATING):
     register_debug_toolbar()
+
+CORS_ALLOWED_ORIGINS = [
+    "http://158.160.56.239:8080",
+]
diff --git a/backend/requirements/dev.txt b/backend/requirements/dev.txt
index 626fcba..c2b2108 100644
--- a/backend/requirements/dev.txt
+++ b/backend/requirements/dev.txt
@@ -1,6 +1,4 @@
-black
-sort-requirements
-ruff==0.3.4
+django-debug-toolbar
 
 -r prod.txt
--r test.txt
+-r lint.txt
diff --git a/backend/requirements/lint.txt b/backend/requirements/lint.txt
new file mode 100644
index 0000000..40b7f22
--- /dev/null
+++ b/backend/requirements/lint.txt
@@ -0,0 +1,2 @@
+sort-requirements
+ruff
diff --git a/backend/requirements/prod.txt b/backend/requirements/prod.txt
index b5c3756..9e72ac0 100644
--- a/backend/requirements/prod.txt
+++ b/backend/requirements/prod.txt
@@ -8,3 +8,4 @@ djangorestframework-simplejwt==5.3.1
 django-filter==24.2
 Pillow==10.2.0
 drf-yasg==1.21.7
+django-cors-headers
diff --git a/backend/requirements/test.txt b/backend/requirements/test.txt
deleted file mode 100644
index 2e685ea..0000000
--- a/backend/requirements/test.txt
+++ /dev/null
@@ -1 +0,0 @@
-django-debug-toolbar==4.3.0