diff --git a/requirements.txt b/requirements.txt
index 7db22c587a9..9c2d26df8c9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -26,7 +26,7 @@ broadbean==0.14.0
     # via
     #   qcodes (pyproject.toml)
     #   qcodes
-certifi==2026.2.25
+certifi==2026.4.22
     # via requests
 cf-xarray==0.10.11
     # via