diff --git a/conf/templates/pyproject.toml b/conf/templates/pyproject.toml
index 41163950..f464416b 100644
--- a/conf/templates/pyproject.toml
+++ b/conf/templates/pyproject.toml
@@ -6,6 +6,7 @@
     "explicit-override",
     "ignore-without-code",
     "possibly-undefined",
+    "truthy-bool",
   ]
 
 [tool.isort]