--- a/browser/installer/package-manifest.in
+++ b/browser/installer/package-manifest.in
@@ -374,16 +374,18 @@
 @RESPATH@/browser/components/FeedConverter.js
 @RESPATH@/browser/components/FeedWriter.js
 @RESPATH@/browser/components/WebContentConverter.js
 @RESPATH@/browser/components/BrowserComponents.manifest
 @RESPATH@/browser/components/nsBrowserContentHandler.js
 @RESPATH@/browser/components/nsBrowserGlue.js
 @RESPATH@/browser/components/nsSetDefaultBrowser.manifest
 @RESPATH@/browser/components/nsSetDefaultBrowser.js
+@RESPATH@/browser/components/aboutdebugging-registration.js
+@RESPATH@/browser/components/aboutdebugging.manifest
 @RESPATH@/browser/components/Experiments.manifest
 @RESPATH@/browser/components/ExperimentsService.js
 @RESPATH@/browser/components/browser-newtab.xpt
 @RESPATH@/browser/components/aboutNewTabService.js
 @RESPATH@/browser/components/NewTabComponents.manifest
 @RESPATH@/components/Downloads.manifest
 @RESPATH@/components/DownloadLegacy.js
 @RESPATH@/components/BrowserPageThumbs.manifest