diff --git a/Build.PL b/Build.PL
index 13c73c4..1db4367 100644
--- a/Build.PL
+++ b/Build.PL
@@ -14,6 +14,7 @@
                      'gen_led_groups.pl',
                      'gen_openpower_fru.pl',
                      'gen_presence_yaml.pl',
+                     'gen_occ_map.pl',
                      'hwmon.pl'],
     pm_files => {'Inventory.pm' => 'lib/mrw/Inventory.pm',
                  'Util.pm' => 'lib/mrw/Util.pm'},