diff --git a/backend/requirements.txt b/backend/requirements.txt
index a734ffd..22a0c7e 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -16,7 +16,7 @@ python-jose[cryptography]==3.5.0  # Updated: Fixed algorithm confusion with Open
 bcrypt==4.3.0
 python-multipart==0.0.22  # Updated: Fixed multiple vulnerabilities (was 0.0.6)
 authlib==1.6.9  # Updated: Fixed OIDC hash binding, JWE RSA1_5 padding oracle, alg:none bypass, JWK header injection (was 1.6.6)
-httpx==0.26.0
+httpx==0.28.1
 
 # Payment Processing
 stripe==14.4.1