diff --git a/requirements.txt b/requirements.txt
index 8875875..4464146 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 altgraph==0.15
-certifi==2017.7.27.1
+certifi==2022.12.7
 chardet==3.0.4
 cycler==0.10.0
 docutils==0.14