diff --git a/src/peakrdl_regblock/__about__.py b/src/peakrdl_regblock/__about__.py
index fd86b3e..1317d75 100644
--- a/src/peakrdl_regblock/__about__.py
+++ b/src/peakrdl_regblock/__about__.py
@@ -1 +1 @@
-__version__ = "0.17.0"
+__version__ = "0.18.0"
diff --git a/src/peakrdl_regblock/package_tmpl.sv b/src/peakrdl_regblock/package_tmpl.sv
index ba52085..6a411df 100644
--- a/src/peakrdl_regblock/package_tmpl.sv
+++ b/src/peakrdl_regblock/package_tmpl.sv
@@ -2,5 +2,9 @@
 //  https://github.com/SystemRDL/PeakRDL-regblock
 
 package {{ds.package_name}};
+
+    localparam {{ds.module_name.upper()}}_DATA_WIDTH = {{ds.cpuif_data_width}};
+    localparam {{ds.module_name.upper()}}_MIN_ADDR_WIDTH = {{ds.addr_width}};
+
     {{hwif.get_package_contents()|indent}}
 endpackage