diff --git a/requirements.txt b/requirements.txt
index bb728e9..b182e65 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 branca==0.4.0
-certifi==2020.4.5.1
+certifi==2022.12.7
 chardet==3.0.4
 click==7.1.1
 cycler==0.10.0