diff --git a/requirements.txt b/requirements.txt
index e8ca63d..4569ee0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 absl-py==0.9.0
 astor==0.8.1
 cachetools==4.0.0
-certifi==2019.11.28
+certifi==2022.12.7
 chardet==3.0.4
 cycler==0.10.0
 gast==0.2.2