diff --git a/vlsi/example-nangate45.yml b/vlsi/example-nangate45.yml
index ecc07d59..c1c3ba63 100644
--- a/vlsi/example-nangate45.yml
+++ b/vlsi/example-nangate45.yml
@@ -67,6 +67,7 @@ vlsi.core.par_tool: "openroad"
 vlsi.core.par_tool_path: ["hammer/src/hammer-vlsi/par"]
 vlsi.core.par_tool_path_meta: "append"
 
-## OpenROAD-drc options (no lvs)
-#vlsi.core.drc_tool: "openroad"
-#vlsi.core.drc_tool_path: ["hammer-mentor-plugins/drc"]
+# OpenROAD-drc options (no lvs)
+vlsi.core.drc_tool: "openroad"
+vlsi.core.drc_tool_path: ["hammer/src/hammer-vlsi/drc"]
+vlsi.core.drc_tool_path_meta: "append"
diff --git a/vlsi/hammer b/vlsi/hammer
index 0e79b8c3..70d9feec 160000
--- a/vlsi/hammer
+++ b/vlsi/hammer
@@ -1 +1 @@
-Subproject commit 0e79b8c31c47988b1dc0dd5d83101ab4a5b26fe0
+Subproject commit 70d9feec73a9633a9462ac5896f9c35201ba0bc3