diff --git a/requirements.txt b/requirements.txt
index 2096ab2..35eaf23 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -13,5 +13,5 @@ python-bidi==0.4.2; python_version >= "3.6"
 ratelimiter==1.2.0.post0
 rfc3986==1.5.0; python_version >= "3.7"
 six==1.16.0; python_version >= "3.6" and python_full_version < "3.0.0" or python_full_version >= "3.3.0" and python_version >= "3.6"
-sniffio==1.3.0; python_full_version >= "3.6.2" and python_version >= "3.7"
+sniffio==1.3.1; python_full_version >= "3.6.2" and python_version >= "3.7"
 toml==0.10.2; (python_version >= "2.6" and python_full_version < "3.0.0") or (python_full_version >= "3.3.0")