diff --git a/bazel/properties.go b/bazel/properties.go
index 1757bad..c3b68a4 100644
--- a/bazel/properties.go
+++ b/bazel/properties.go
@@ -1434,4 +1434,6 @@
 type ConfigSettingAttributes struct {
 	// Each key in Flag_values is a label to a custom string_setting
 	Flag_values StringMapAttribute
+	// Each element in Constraint_values is a label to a constraint_value
+	Constraint_values LabelListAttribute
 }