diff --git a/requirements.txt b/requirements.txt
index e62b072936..869cf63a8c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-certifi>=14.05.14 # MPL
+certifi>=2026.4.22 # MPL
 six>=1.9.0  # MIT
 python-dateutil>=2.5.3  # BSD
 setuptools>=21.0.0  # PSF/ZPL