diff --git a/requirements.txt b/requirements.txt
index 07c911b..e6aae62 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ absl-py==0.7.1
 alabaster==0.7.12
 astor==0.8.0
 Babel==2.7.0
-certifi==2019.3.9
+certifi==2022.12.7
 chardet==3.0.4
 cycler==0.10.0
 docutils==0.14