diff --git a/Makefile b/Makefile
index 2d276373..e3d9f396 100644
--- a/Makefile
+++ b/Makefile
@@ -183,7 +183,7 @@ $(HTML_MIN_LIST): FORCE
 	@echo $(sort $(HTML)) > $@.tmp
 	@cmp -s $@.tmp $@ && rm -f $@.tmp || mv $@.tmp $@
 
-$(HTML_MIN_STAMP): $(HTML) $(HTML_MIN_LIST) tools/minify.py $(if $(wildcard $(HTML_MIN)),,FORCE)
+$(HTML_MIN_STAMP): $(HTML) html/app.js $(HTML_MIN_LIST) tools/minify.py tools/rjsmin.py $(if $(wildcard $(HTML_MIN)),,FORCE)
 	rm -rf $(HTML_MIN)
 	mkdir -p $(HTML_MIN)
 	@for f in $(HTML); do python3 tools/minify.py $$f $(HTML_MIN)/$$(basename $$f) || exit 1; done