diff --git a/website/src/locales/pl.json b/website/src/locales/pl.json
index 64e2fb71..c2981268 100644
--- a/website/src/locales/pl.json
+++ b/website/src/locales/pl.json
@@ -100,6 +100,7 @@
             "activities": {
                 "bike": "Rower",
                 "racing_bike": "Road bike",
+                "gravel_bike": "Gravel bike",
                 "mountain_bike": "Rower górski",
                 "foot": "Bieg/Wędrówka",
                 "motorcycle": "Motocykl",