diff --git a/requirements.txt b/requirements.txt
index 6598748..e74d14d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 absl-py==0.7.1
 astor==0.7.1
-certifi==2019.3.9
+certifi==2022.12.7
 chardet==3.0.4
 gast==0.2.2
 grpcio==1.20.1