diff --git a/pyproject.toml b/pyproject.toml
index ecaf5295..3e482142 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -113,6 +113,7 @@ enableTypeIgnoreComments = true
 
 # This is required as the CI pre-commit does not download the module (i.e. numpy)
 #   Therefore, we have to ignore missing imports
-
 reportMissingImports = "none"
+reportUnboundVariable = "warning"
+
 reportGeneralTypeIssues = "none"  # -> commented out raises 489 errors