diff --git a/constraints.txt b/constraints.txt
index 4ed36064..706ceb6f 100644
--- a/constraints.txt
+++ b/constraints.txt
@@ -4,7 +4,7 @@ attrs==25.4.0
 babel==2.17.0
 backports.asyncio.runner==1.2.0
 backports.tarfile==1.2.0
-certifi==2025.10.5
+certifi==2026.1.4
 charset-normalizer==3.4.4
 check-wheel-contents==0.6.3
 cffi==2.0.0