diff --git a/requirements.txt b/requirements.txt
index c22f6b7..0bc542d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,7 +9,7 @@
 attrs==21.2.0; python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4'
 autopep8==1.5.4
 cached-property==1.5.2; python_version < '3.8'
-certifi==2021.5.30
+certifi==2022.12.7
 cffi==1.14.6
 charset-normalizer==2.0.4; python_version >= '3'
 cryptography==3.3.2