diff --git a/toolbx/Dockerfile b/toolbx/Dockerfile
index 3e823f3b5675ddd1c10afa5be37f6a1e649dbc8b..f15c51664206de677e3ca2beed461781fce2fd52 100644
--- a/toolbx/Dockerfile
+++ b/toolbx/Dockerfile
@@ -8,6 +8,7 @@ RUN rm /etc/apt/apt.conf.d/docker-* && \
         ca-certificates \
         curl \
         entr \
+        flatpak-xdg-utils \
         gnupg \
         gosu \
         libnss-myhostname \