diff --git a/lib/pack.js b/lib/pack.js
index 8189cb6cedc0b..42b6c7c0d88bf 100644
--- a/lib/pack.js
+++ b/lib/pack.js
@@ -207,6 +207,7 @@ function logContents (tarball) {
     include: ['name', 'value'],
     showHeaders: false
   }))
+  log.debug('tarball integrity: %s', tarball.integrity.toString())
   log.notice('', '')
 }