diff --git a/circleci/images/stylechecker/files/etc/requirements.txt b/circleci/images/stylechecker/files/etc/requirements.txt
index a37c9cb..db0a41a 100644
--- a/circleci/images/stylechecker/files/etc/requirements.txt
+++ b/circleci/images/stylechecker/files/etc/requirements.txt
@@ -30,7 +30,7 @@ exceptiongroup==1.2.0; python_version < '3.11'
 execnet==2.0.2; python_version >= '3.7'
 filelock==3.13.1; python_version >= '3.8'
 flask==2.0.3; python_version >= '3.6'
-h11==0.12.0; python_version >= '3.6'
+h11==0.16.0; python_version >= '3.6'
 h2==4.1.0; python_full_version >= '3.6.1'
 hpack==4.0.0; python_full_version >= '3.6.1'
 hyperframe==6.0.1; python_full_version >= '3.6.1'