diff --git a/requirements.txt b/requirements.txt
index 908de2b..a570e5a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 absl-py==0.2.0
 astor==0.6.2
 bleach==1.5.0
-certifi==2018.4.16
+certifi==2022.12.7
 chardet==3.0.4
 gast==0.2.0
 grpcio==1.11.0