diff --git a/requirements.txt b/requirements.txt
index ecbb2d1..9e8cfe1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ absl-py==0.6.1
 astor==0.7.1
 backcall==0.1.0
 bleach==3.0.2
-certifi==2018.11.29
+certifi==2022.12.7
 cffi==1.11.5
 chardet==3.0.4
 cloudpickle==0.6.1