diff --git a/hw/dv/sv/mem_model/mem_model.core b/hw/dv/sv/mem_model/mem_model.core
index f6da092..7804201 100644
--- a/hw/dv/sv/mem_model/mem_model.core
+++ b/hw/dv/sv/mem_model/mem_model.core
@@ -8,7 +8,7 @@
 filesets:
   files_dv:
     depend:
-      - lowrisc:constants:top_pkg
+      - lowrisc:opentitan:bus_params_pkg
     files:
       - mem_model_pkg.sv
       - mem_model.sv: {is_include_file: true}
diff --git a/hw/dv/sv/mem_model/mem_model.sv b/hw/dv/sv/mem_model/mem_model.sv
index ffce8a5..f1692d2 100644
--- a/hw/dv/sv/mem_model/mem_model.sv
+++ b/hw/dv/sv/mem_model/mem_model.sv
@@ -2,9 +2,9 @@
 // Licensed under the Apache License, Version 2.0, see LICENSE for details.
 // SPDX-License-Identifier: Apache-2.0
 
-class mem_model #(int AddrWidth = top_pkg::TL_AW,
-                  int DataWidth = top_pkg::TL_DW,
-                  int MaskWidth = top_pkg::TL_DBW) extends uvm_object;
+class mem_model #(int AddrWidth = bus_params_pkg::BUS_AW,
+                  int DataWidth = bus_params_pkg::BUS_DW,
+                  int MaskWidth = bus_params_pkg::BUS_DBW) extends uvm_object;
 
   typedef bit [AddrWidth-1:0] mem_addr_t;
   typedef bit [DataWidth-1:0] mem_data_t;