diff --git a/default/requirements-dev.txt b/default/requirements-dev.txt
index 0e1d567..d49dce1 100644
--- a/default/requirements-dev.txt
+++ b/default/requirements-dev.txt
@@ -17,7 +17,7 @@ google-cloud-ndb==1.4.1
 google-cloud-secret-manager==1.0.0
 googleapis-common-protos==1.52.0
 grpcio==1.30.0
-h11==0.9.0
+h11==0.16.0
 httptools==0.1.1
 idna==2.10
 isort==4.3.21