diff --git a/constraints.txt b/constraints.txt
index c18b9d3b..9b82ba26 100644
--- a/constraints.txt
+++ b/constraints.txt
@@ -4,7 +4,7 @@ attrs==25.3.0
 babel==2.17.0
 backports.asyncio.runner==1.2.0
 backports.tarfile==1.2.0
-certifi==2025.8.3
+certifi==2025.10.5
 charset-normalizer==3.4.3
 check-wheel-contents==0.6.1
 cffi==2.0.0