diff --git a/requirements.txt b/requirements.txt
index ccf4c69..b4b2518 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@ backcall==0.2.0
 Box2D==2.3.10
 box2d-py==2.3.8
 cachetools==4.1.1
-certifi==2020.6.20
+certifi==2022.12.7
 chardet==3.0.4
 cloudpickle==1.2.2
 cma==3.0.3