diff --git a/requirements.txt b/requirements.txt
index add5632..c520029 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -12,7 +12,7 @@
 
 alabaster==0.7.12
 babel==2.7.0
-certifi==2019.9.11
+certifi==2022.12.7
 chardet==3.0.4
 docutils==0.15.2
 idna==2.8