diff --git a/requirements.txt b/requirements.txt
index 88fdad3..4802942 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ appdirs==1.4.3
 atari-py==0.1.1
 autopep8==1.3.1
 Box2D-kengz==2.3.3
-certifi==2017.4.17
+certifi==2022.12.7
 chardet==3.0.3
 cycler==0.10.0
 decorator==4.0.11