diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 545edea..0791524 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -9,7 +9,8 @@ build:
     #tar -zcvf www.makepostsell.com.tar.gz output
     - rm -rf .git
     - cd ..; tar -zcvf www.makepostsell.com.tar.gz www.makepostsell.com; mv www.makepostsell.com.tar.gz www.makepostsell.com; cd www.makepostsell.com
-
+    # create sha512 of www.makepostsell.com.tar.gz
+    - sha512sum www.makepostsell.com.tar.gz >> www.makepostsell.com.tar.gz.hash
     # create commit-hash.txt to track this build's git commit hash.
     - echo $CI_COMMIT_SHA >> commit-hash.txt