diff --git a/requirements.txt b/requirements.txt
index 5fb0e47..b32aa71 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 absl-py==0.9.0
 astor==0.8.0
-certifi==2019.11.28
+certifi==2022.12.7
 cloudpickle==1.2.2
 cycler==0.10.0
 future==0.18.2