diff --git a/vlsi/hammer b/vlsi/hammer
index 5c0909eb..3bda9f5d 160000
--- a/vlsi/hammer
+++ b/vlsi/hammer
@@ -1 +1 @@
-Subproject commit 5c0909ebd66236a50725e515addb2077e7ec0b3d
+Subproject commit 3bda9f5d12b3595d42f59fa0acaeb1c0bc2ef2a9