diff --git a/firefox/Dockerfile b/firefox/Dockerfile
index dc29ff6..d164232 100644
--- a/firefox/Dockerfile
+++ b/firefox/Dockerfile
@@ -12,6 +12,7 @@ RUN sed -i.bak 's/sid main/sid main contrib/g' /etc/apt/sources.list && \
 	libdbus-glib-1-2 \
 	libgl1-mesa-dri \
 	libgl1-mesa-glx \
+	libcanberra-gtk-module \
 	--no-install-recommends \
 	&& rm -rf /var/lib/apt/lists/*