diff --git a/requirements.txt b/requirements.txt
index 89b3d5a..89a5b23 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 appdirs==1.4.3
-certifi==2017.4.17
+certifi==2022.12.7
 chardet==3.0.3
 Cython==0.25.2
 docutils==0.13.1