diff --git a/constraints/ci.txt b/constraints/ci.txt
index 019dba0..f305c4c 100644
--- a/constraints/ci.txt
+++ b/constraints/ci.txt
@@ -75,7 +75,7 @@ rfc3986-validator==0.1.1
 rfc3987-syntax==1.1.0
 rich==15.0.0
 rpds-py==2026.6.3
-ruff==0.16.0
+ruff==0.16.5
 SecretStorage==3.5.0
 setuptools==84.0.0
 six==1.17.0