diff --git a/requirements-dev.txt b/requirements-dev.txt
index f773d006..2be1d0b8 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -5,7 +5,7 @@ babel==2.15.0
 doc8==1.1.2
 docutils==0.19
 execnet==1.9.0
-h11==0.14.0
+h11==0.16.0
 id==1.5.0
 imagesize==1.4.1
 iniconfig==1.1.1