diff --git a/requirements-dev.txt b/requirements-dev.txt
index 2db344a2a5..185dae7392 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -24,7 +24,7 @@ h11==0.14.0
 h2==4.1.0
 hpack==4.0.0
 httpcore==1.0.7
-httpx==0.27.2
+httpx==0.28.0
 hyperframe==6.0.1
 idna==3.10
 importlib-metadata==6.8.0