diff --git a/pyproject.toml b/pyproject.toml
index 385a8b76c..b569d0eea 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -31,7 +31,7 @@ classifiers = [
 ]
 dependencies = [
     "click>=7.0",
-    "h11>=0.8",
+    "h11>=0.16.0",
     "typing_extensions>=4.0; python_version < '3.11'",
 ]