diff --git a/requirements.txt b/requirements.txt
index c5e6599..a121dd7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 absl-py==0.8.1
 astor==0.8.0
-certifi==2019.11.28
+certifi==2022.12.7
 gast==0.2.2
 google-pasta==0.1.8
 grpcio==1.16.1