diff --git a/.gitmodules b/.gitmodules
index 4a06d737c9c..1e901ef79f2 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,4 +1,4 @@
 [submodule "vendor/llhttp"]
     path = vendor/llhttp
     url = https://github.com/nodejs/llhttp.git
-    branch = v6.0.6
+    branch = v8.1.1
diff --git a/CHANGES/7346.feature b/CHANGES/7346.feature
new file mode 100644
index 00000000000..9f91e6b7424
--- /dev/null
+++ b/CHANGES/7346.feature
@@ -0,0 +1,5 @@
+Upgrade the vendored copy of llhttp_ to v8.1.1 -- by :user:`webknjaz`.
+
+Thanks to :user:`sethmlarson` for pointing this out!
+
+.. _llhttp: https://llhttp.org
diff --git a/docs/spelling_wordlist.txt b/docs/spelling_wordlist.txt
index 56dde9cc363..7346fd0b8c2 100644
--- a/docs/spelling_wordlist.txt
+++ b/docs/spelling_wordlist.txt
@@ -339,6 +339,7 @@ utils
 uvloop
 uWSGI
 vcvarsall
+vendored
 waituntil
 wakeup
 wakeups