diff --git a/pyproject.toml b/pyproject.toml
index b2776246..3873be09 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -57,7 +57,7 @@ dependencies = [
 [dependency-groups]
 dev = [
     "bandit==1.9.3",
-    "guarddog==2.7.0",
+    "guarddog==2.9.0",
     "pdoc==16.0.0",
     "pre-commit==4.5.1",
     "pytest==9.0.2",