diff --git a/requirements.dev.txt b/requirements.dev.txt
index 164da56..e1b335a 100644
--- a/requirements.dev.txt
+++ b/requirements.dev.txt
@@ -15,7 +15,7 @@ build==1.0.3
     # via pip-tools
 cattrs==23.1.2
     # via requests-cache
-certifi==2023.7.22
+certifi==2024.7.4
     # via
     #   fiona
     #   pyproj