diff --git a/CHANGES/12956.packaging.rst b/CHANGES/12956.packaging.rst
new file mode 100644
index 00000000000..7ea0cd11ac6
--- /dev/null
+++ b/CHANGES/12956.packaging.rst
@@ -0,0 +1 @@
+Upgraded ``llhttp`` to v9.4.2 -- by :user:`Dreamsorcerer`.
diff --git a/vendor/llhttp b/vendor/llhttp
index 96b15fb3bc0..01e105a30fd 160000
--- a/vendor/llhttp
+++ b/vendor/llhttp
@@ -1 +1 @@
-Subproject commit 96b15fb3bc00117d2db3df8e87fa6d3e9bcff328
+Subproject commit 01e105a30fd06e248bc8ac73c4adb34a63d4114a