diff --git a/requirements.txt b/requirements.txt
index 20f3dac..8b61845 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-certifi==2021.5.30
+certifi==2022.12.7
 charset-normalizer==2.0.4
 cycler==0.10.0
 graphviz==0.8.4