diff --git a/requirements.txt b/requirements.txt
index 241a9f8e..a0d2203f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -16,7 +16,7 @@ babel==2.17.0
     # via sphinx
 black==25.1.0
     # via pygef (pyproject.toml)
-certifi==2025.10.5
+certifi==2026.6.17
     # via
     #   rasterio
     #   requests