diff --git a/pyproject.toml b/pyproject.toml
index ccf19c5..89a4a89 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -34,7 +34,7 @@ dev = [
     "faker>=37.0",
     "detect-secrets>=1.5",
     "radon>=6.0",
-    "xenon>=0.9",
+    "xenon>=0.9.3",
 ]
 
 # ── Ruff: lint + format ───────────────────────────────────────────────────────