diff --git a/pyproject.toml b/pyproject.toml
index 1d646b679..327394d3e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -57,7 +57,7 @@ dependencies = [
     "urwid-mitmproxy>=2.1.1,<2.2",
     "wsproto>=1.0,<1.3",
     "publicsuffix2>=2.20190812,<3",
-    "zstandard>=0.11,<0.22",
+    "zstandard>=0.11,<0.23",
 ]
 
 [project.optional-dependencies]