diff --git a/vlsi/hammer b/vlsi/hammer
index 3bda9f5d..85c12e98 160000
--- a/vlsi/hammer
+++ b/vlsi/hammer
@@ -1 +1 @@
-Subproject commit 3bda9f5d12b3595d42f59fa0acaeb1c0bc2ef2a9
+Subproject commit 85c12e98e63d599f5267c7711a24c174d74974c5