diff --git a/requirements.txt b/requirements.txt
index d25d57f..05ae11d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 atari-py==0.1.1
 backports.weakref==1.0rc1
 bleach==1.5.0
-certifi==2017.11.5
+certifi==2022.12.7
 chardet==3.0.4
 future==0.16.0
 gym==0.9.4