diff --git a/conf/templates/pyproject.toml b/conf/templates/pyproject.toml
index f464416b..635a4041 100644
--- a/conf/templates/pyproject.toml
+++ b/conf/templates/pyproject.toml
@@ -2,6 +2,8 @@
 
   {mypypath}
 
+  warn_redundant_casts = true
+
   enable_error_code = [
     "explicit-override",
     "ignore-without-code",