diff --git a/requirements-dev.txt b/requirements-dev.txt
index b165091..f48e4db 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -4,4 +4,5 @@ pytest-cov
 pytest-asyncio
 pytest-order
 testcontainers
-httpx
+httpx<0.28.0
+pytest-httpx