diff --git a/py-build/requirements.txt b/py-build/requirements.txt
index 3ef867e66..7dea1c150 100644
--- a/py-build/requirements.txt
+++ b/py-build/requirements.txt
@@ -1,5 +1,5 @@
 astroid==4.0.2
-certifi==2025.11.12
+certifi==2026.5.20
 docutils==0.22.3
 ecdsa==0.19.1
 future==1.0.0