diff --git a/difftest b/difftest
index 150fff31d6..00c4c21ca9 160000
--- a/difftest
+++ b/difftest
@@ -1 +1 @@
-Subproject commit 150fff31d601819aeba9947aa0f4c177f0774087
+Subproject commit 00c4c21ca94d204310afe346d458317a9b5f9186