diff --git a/vlsi/hammer b/vlsi/hammer
index 70d9feec..528e745c 160000
--- a/vlsi/hammer
+++ b/vlsi/hammer
@@ -1 +1 @@
-Subproject commit 70d9feec73a9633a9462ac5896f9c35201ba0bc3
+Subproject commit 528e745c54c3901a311aade7c928e866de1d42d2