diff --git a/testdata/specifications b/testdata/specifications
index 668992950d..28ffbc48d8 160000
--- a/testdata/specifications
+++ b/testdata/specifications
@@ -1 +1 @@
-Subproject commit 668992950d975d3163e538849dd20383a214fc37
+Subproject commit 28ffbc48d8ea5238881752eced5160d76d132691