diff --git a/t/Controller/Build/constituents.t b/t/Controller/Build/constituents.t
index 47a2d560..ea1b419d 100644
--- a/t/Controller/Build/constituents.t
+++ b/t/Controller/Build/constituents.t
@@ -1,4 +1,5 @@
 use strict;
+use warnings;
 use Setup;
 use JSON qw(decode_json encode_json);
 use Data::Dumper;