diff --git a/t/spectest.data b/t/spectest.data
index e605c527..9edc1844 100644
--- a/t/spectest.data
+++ b/t/spectest.data
@@ -251,6 +251,7 @@ S05-capture/caps.t
 S05-capture/match-object.t
 S05-capture/subrule.t
 S05-grammar/action-stubs.t
+S05-grammar/inheritance.t
 S05-grammar/methods.t
 S05-grammar/parse_and_parsefile.t
 S05-grammar/protoregex.t