--- a/browser/devtools/framework/test/Makefile.in
+++ b/browser/devtools/framework/test/Makefile.in
@@ -27,6 +27,7 @@
 		browser_toolbox_options_disablejs.js \
 		browser_toolbox_options_disablejs.html \
 		browser_toolbox_options_disablejs_iframe.html \
+		browser_toolbox_highlight.js \
 		$(NULL)
 
 include $(topsrcdir)/config/rules.mk