diff --git a/requirements.txt b/requirements.txt
index f73c0f8..389f3ec 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,7 +7,7 @@ cffi==1.14.5
 click==7.1.2
 cryptography==3.2.1
 Flask==1.1.2
-h11==0.12.0
+h11==0.16.0
 h2==4.0.0
 hpack==4.0.0
 hyperframe==6.0.0