diff --git a/packages.json b/packages.json
index 615f540b..1ea64927 100644
--- a/packages.json
+++ b/packages.json
@@ -51,6 +51,7 @@
             ],
             "silverblue": [
                 "adw-gtk3-theme",
+                "gnome-epub-thumbnailer",
                 "gnome-tweaks"
             ],
             "kinoite": [