diff --git a/requirements-dev.txt b/requirements-dev.txt
index ad28572ddd..3fc1818ef1 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -22,7 +22,7 @@ flit_core==3.12.0
 frozenlist==1.8.0
 h11==0.16.0
 h2==4.3.0
-hpack==4.1.0
+hpack==4.2.0
 httpcore==1.0.9
 httpx==0.28.1
 hyperframe==6.1.0