diff --git a/ram/ram/__init__.py b/ram/ram/__init__.py
index d918b03..1372aec 100644
--- a/ram/ram/__init__.py
+++ b/ram/ram/__init__.py
@@ -1,4 +1,4 @@
 from ram.utils import git_suffix
 
-__version__ = "0.17.8"
+__version__ = "0.17.9"
 __version__ += git_suffix(__file__)
diff --git a/ram/roster/admin.py b/ram/roster/admin.py
index 739def0..e7908fa 100644
--- a/ram/roster/admin.py
+++ b/ram/roster/admin.py
@@ -36,6 +36,7 @@ class RollingClass(admin.ModelAdmin):
     search_fields = (
         "identifier",
         "company__name",
+        "company__slug",
         "type__type",
     )
     save_as = True
@@ -139,6 +140,7 @@ class RollingStockAdmin(SortableAdminBase, admin.ModelAdmin):
     search_fields = (
         "rolling_class__identifier",
         "rolling_class__company__name",
+        "rolling_class__company__slug",
         "manufacturer__name",
         "scale__scale",
         "road_number",