diff --git a/requirements.txt b/requirements.txt
index 957c8ec..39b193c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ astor==0.7.1
 astroid==2.1.0
 atari-py==0.1.7
 bleach==3.1.0
-certifi==2018.11.29
+certifi==2022.12.7
 chardet==3.0.4
 cloudpickle==0.6.1
 cycler==0.10.0