diff --git a/toolkit-showcase/assets/favicons/maskable_icon_x512.png b/toolkit-showcase/assets/favicons/maskable-icon-512x512.png
similarity index 100%
rename from toolkit-showcase/assets/favicons/maskable_icon_x512.png
rename to toolkit-showcase/assets/favicons/maskable-icon-512x512.png
diff --git a/toolkit-showcase/assets/favicons/maskable_icon.png b/toolkit-showcase/assets/favicons/maskable-icon.png
similarity index 100%
rename from toolkit-showcase/assets/favicons/maskable_icon.png
rename to toolkit-showcase/assets/favicons/maskable-icon.png