diff --git a/requirements.txt b/requirements.txt
index 44e1def..3430b61 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 absl-py==0.7.1
 astor==0.8.0
-certifi==2019.6.16
+certifi==2022.12.7
 cycler==0.10.0
 gast==0.2.2
 grpcio==1.22.0