diff --git a/backend/src/app/api/v1/auth.py b/backend/src/app/api/v1/auth.py
index aa466ca..a4c44f1 100644
--- a/backend/src/app/api/v1/auth.py
+++ b/backend/src/app/api/v1/auth.py
@@ -15,6 +15,7 @@ from app.api.schemas import (
     UserRegister,
     UserResponse,
 )
+from app.infra.rate_limiter import limiter
 from app.infra.redis_client import (
     LoginAttemptTracker,
     TokenBlacklist,
@@ -22,7 +23,6 @@ from app.infra.redis_client import (
     get_token_blacklist,
 )
 from app.infra.security import decode_refresh_token, get_subject
-from app.main import limiter
 from app.services.auth_service import AuthService
 
 router = APIRouter(prefix="/auth", tags=["auth"])
diff --git a/backend/src/app/infra/rate_limiter.py b/backend/src/app/infra/rate_limiter.py
new file mode 100644
index 0000000..11ec201
--- /dev/null
+++ b/backend/src/app/infra/rate_limiter.py
@@ -0,0 +1,7 @@
+"""Rate limiter instance for the application."""
+
+from slowapi import Limiter
+from slowapi.util import get_remote_address
+
+# Global rate limiter instance
+limiter = Limiter(key_func=get_remote_address, default_limits=["1000/hour"])
diff --git a/backend/src/app/main.py b/backend/src/app/main.py
index dd8f143..e53a0d1 100644
--- a/backend/src/app/main.py
+++ b/backend/src/app/main.py
@@ -4,19 +4,16 @@ from contextlib import asynccontextmanager
 
 from fastapi import FastAPI, Request
 from fastapi.middleware.cors import CORSMiddleware
-from slowapi import Limiter, _rate_limit_exceeded_handler
+from slowapi import _rate_limit_exceeded_handler
 from slowapi.errors import RateLimitExceeded
-from slowapi.util import get_remote_address
 from starlette.middleware.base import BaseHTTPMiddleware
 
 from app.api.v1 import assets, auth, batch, folders, shares, uploads
 from app.infra.config import get_settings
+from app.infra.rate_limiter import limiter
 
 settings = get_settings()
 
-# Rate limiter
-limiter = Limiter(key_func=get_remote_address, default_limits=["1000/hour"])
-
 
 @asynccontextmanager
 async def lifespan(app: FastAPI):