diff --git a/requirements.txt b/requirements.txt
index 47e1fb4..39dde1e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 altair==1.2.0
 backports-abc==0.5
 branca==0.2.0
-certifi==2017.7.27.1
+certifi==2022.12.7
 chardet==3.0.4
 cycler==0.10.0
 Cython==0.26.1