diff --git a/requirements.txt b/requirements.txt
index d7fddcd..7d67533 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ appnope==0.1.0
 backcall==0.1.0
 box2d-py==2.3.8
 cachetools==4.1.0
-certifi==2020.4.5.1
+certifi==2022.12.7
 chardet==3.0.4
 cloudpickle==1.3.0
 cycler==0.10.0