diff --git a/src/frontend_service/requirements.txt b/src/frontend_service/requirements.txt
index f210fab..656aed6 100644
--- a/src/frontend_service/requirements.txt
+++ b/src/frontend_service/requirements.txt
@@ -13,6 +13,6 @@ python-multipart==0.0.7
 pytz==2024.2
 types-pytz==2024.1.0.20240417
 langgraph==0.1.16
-httpx==0.27.0
+httpx==0.28.1
 pandas-stubs==2.2.2.240603
 pandas==2.1.4
diff --git a/src/retrieval_service/requirements-test.txt b/src/retrieval_service/requirements-test.txt
index 92d8330..2368cf5 100644
--- a/src/retrieval_service/requirements-test.txt
+++ b/src/retrieval_service/requirements-test.txt
@@ -1,6 +1,6 @@
 asyncpg-stubs==0.29.1
 black==24.4.2
-httpx==0.27.0
+httpx==0.28.1
 isort==5.13.2
 mypy==1.10.0
 pytest-asyncio==0.23.6