diff --git a/rtl-closure/pyproject.toml b/rtl-closure/pyproject.toml
index 07e980b..ff40088 100644
--- a/rtl-closure/pyproject.toml
+++ b/rtl-closure/pyproject.toml
@@ -35,7 +35,7 @@ Issues = "https://github.com/vpromise/SiliconWeaver/issues"
 Changelog = "https://github.com/vpromise/SiliconWeaver/blob/main/rtl-closure/CHANGELOG.md"
 
 [project.optional-dependencies]
-test = ["pytest==9.1.1", "ruff==0.16.4"]
+test = ["pytest==9.1.1", "ruff==0.16.5"]
 
 [project.scripts]
 rtl-closure = "rtl_closure.cli:main"