diff --git a/app/dependencies.py b/app/dependencies.py
new file mode 100644
index 0000000..7609aff
--- /dev/null
+++ b/app/dependencies.py
@@ -0,0 +1,69 @@
+"""
+Shared dependencies for the application.
+"""
+from typing import Annotated
+
+from fastapi import Depends, Header, HTTPException, status
+from sqlalchemy.orm import Session
+
+from app import models
+from app.database import SessionLocal
+from app.services import auth_service
+
+
+def get_db():
+    db = SessionLocal()
+    try:
+        yield db
+    finally:
+        db.close()
+
+
+def get_current_user(
+    authorization: Annotated[str | None, Header()] = None,
+    db: Session = Depends(get_db),
+) -> models.User:
+    """Dependency to get current authenticated user from JWT token."""
+    if not authorization:
+        raise HTTPException(
+            status_code=status.HTTP_401_UNAUTHORIZED,
+            detail="Non authentifié",
+        )
+
+    # Extract token from "Bearer <token>" format
+    parts = authorization.split()
+    if len(parts) != 2 or parts[0].lower() != "bearer":
+        raise HTTPException(
+            status_code=status.HTTP_401_UNAUTHORIZED,
+            detail="Format de token invalide",
+        )
+
+    token = parts[1]
+    payload = auth_service.decode_token(token)
+
+    if not payload:
+        raise HTTPException(
+            status_code=status.HTTP_401_UNAUTHORIZED,
+            detail="Token invalide ou expiré",
+        )
+
+    user = auth_service.get_user_by_id(db, payload["user_id"])
+    if not user or not user.is_active:
+        raise HTTPException(
+            status_code=status.HTTP_401_UNAUTHORIZED,
+            detail="Utilisateur non trouvé ou désactivé",
+        )
+
+    return user
+
+
+def get_admin_user(
+    current_user: models.User = Depends(get_current_user),
+) -> models.User:
+    """Dependency to require admin privileges."""
+    if not current_user.is_admin:
+        raise HTTPException(
+            status_code=status.HTTP_403_FORBIDDEN,
+            detail="Accès administrateur requis",
+        )
+    return current_user
diff --git a/app/routers/auth.py b/app/routers/auth.py
index 5eb08fd..f9efc42 100644
--- a/app/routers/auth.py
+++ b/app/routers/auth.py
@@ -11,18 +11,14 @@ from sqlalchemy.orm import Session
 from app import models
 from app.database import SessionLocal
 from app.services import auth_service
+from app.dependencies import get_db, get_current_user, get_admin_user
 
 logger = logging.getLogger(__name__)
 
 router = APIRouter(prefix="/api/auth", tags=["auth"])
 
 
-def get_db():
-    db = SessionLocal()
-    try:
-        yield db
-    finally:
-        db.close()
+
 
 
 # Pydantic models
@@ -64,54 +60,7 @@ class AdminChangePasswordRequest(BaseModel):
     new_password: str
 
 
-def get_current_user(
-    authorization: Annotated[str | None, Header()] = None,
-    db: Session = Depends(get_db),
-) -> models.User:
-    """Dependency to get current authenticated user from JWT token."""
-    if not authorization:
-        raise HTTPException(
-            status_code=status.HTTP_401_UNAUTHORIZED,
-            detail="Non authentifié",
-        )
 
-    # Extract token from "Bearer <token>" format
-    parts = authorization.split()
-    if len(parts) != 2 or parts[0].lower() != "bearer":
-        raise HTTPException(
-            status_code=status.HTTP_401_UNAUTHORIZED,
-            detail="Format de token invalide",
-        )
-
-    token = parts[1]
-    payload = auth_service.decode_token(token)
-
-    if not payload:
-        raise HTTPException(
-            status_code=status.HTTP_401_UNAUTHORIZED,
-            detail="Token invalide ou expiré",
-        )
-
-    user = auth_service.get_user_by_id(db, payload["user_id"])
-    if not user or not user.is_active:
-        raise HTTPException(
-            status_code=status.HTTP_401_UNAUTHORIZED,
-            detail="Utilisateur non trouvé ou désactivé",
-        )
-
-    return user
-
-
-def get_admin_user(
-    current_user: models.User = Depends(get_current_user),
-) -> models.User:
-    """Dependency to require admin privileges."""
-    if not current_user.is_admin:
-        raise HTTPException(
-            status_code=status.HTTP_403_FORBIDDEN,
-            detail="Accès administrateur requis",
-        )
-    return current_user
 
 
 @router.post("/login", response_model=LoginResponse)
diff --git a/app/routers/debug.py b/app/routers/debug.py
index 9ae797e..07d694b 100644
--- a/app/routers/debug.py
+++ b/app/routers/debug.py
@@ -8,11 +8,12 @@ from fastapi.responses import FileResponse
 from pydantic import BaseModel
 
 from app.services import auth_service
+from app.dependencies import get_admin_user
 
 router = APIRouter(
     prefix="/debug",
     tags=["debug"],
-    dependencies=[Depends(auth_service.get_current_active_admin)],
+    dependencies=[Depends(get_admin_user)],
 )
 
 logger = logging.getLogger(__name__)