diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 8c44ec7b1fc80563d7453d635441d60cef80bcb1..f70043acdc60dcedb8a39eb633fc5675ed41ede4 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -147,7 +147,7 @@ target:x86-64:
 package:
   stage: package
   script:
-    - for branch in "stable" "beta" "nightly" "experimental"; do make -C gluon manifest GLUON_BRANCH="$branch" GLUON_SITEDIR="$CI_PROJECT_DIR" V=1; done
+    - for branch in "stable" "beta" "nightly" "experimental"; do make -C gluon manifest GLUON_BRANCH="$branch" GLUON_SITEDIR="$CI_PROJECT_DIR" FFS_BUILD_DATE=$(cat build.date) V=1; done
     - if [ -n "$GLUON_SIGN_KEY" ]; then cd gluon && for branch in "nightly" "experimental"; do ./contrib/sign.sh <(echo "$GLUON_SIGN_KEY") "output/images/sysupgrade/$branch.manifest"; done; fi
   cache:
     paths: