diff --git a/requirements.txt b/requirements.txt
index 005b5ac..e11cdca 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 beautifulsoup4==4.8.1
 branca==0.3.1
 bs4==0.0.1
-certifi==2019.9.11
+certifi==2022.12.7
 chardet==3.0.4
 folium==0.10.0
 geographiclib==1.50