diff --git a/requirements.txt b/requirements.txt
index 8dd034e..d9992a6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-certifi==2019.3.9
+certifi==2022.12.7
 cycler==0.10.0
 kiwisolver==1.0.1
 matplotlib==3.0.3