diff --git a/requirements-dev.txt b/requirements-dev.txt
index 2f21eed..a0dfef5 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1,3 +1,3 @@
 -r requirements.txt
 pytest>=8.0
-httpx>=0.27
+httpx>=0.28.1