diff --git a/interim/source_strings.yaml b/interim/source_strings.yaml
index a64a95ab..ed769046 100644
--- a/interim/source_strings.yaml
+++ b/interim/source_strings.yaml
@@ -695,8 +695,12 @@ en:
         options:
           # crane:type=floor-mounted_crane
           floor-mounted_crane: Floor-mounted Crane
+          # crane:type=gantry_crane
+          gantry_crane: Gantry Crane
           # crane:type=portal_crane
           portal_crane: Portal Crane
+          # crane:type=tower_crane
+          tower_crane: Tower Crane
           # crane:type=travel_lift
           travel_lift: Travel Lift
       crop: