diff --git a/requirements.txt b/requirements.txt
index 6c153f8..f7c85b6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-certifi==2019.11.28
+certifi==2022.12.7
 cycler==0.10.0
 kiwisolver==1.1.0
 matplotlib==3.2.0