diff --git a/releases/weekly/specs/s390/s390/stage1.spec b/releases/weekly/specs/s390/s390/stage1.spec
index 4d0f4e87..e1486d82 100644
--- a/releases/weekly/specs/s390/s390/stage1.spec
+++ b/releases/weekly/specs/s390/s390/stage1.spec
@@ -6,6 +6,7 @@ profile: default/linux/s390/17.0
 snapshot: 2008.0
 source_subpath: default/stage3-s390-latest
 update_seed: yes
+update_seed_command: --update --deep @world --jobs 2 --load-average 2
 compression_mode: pixz_x
 decompressor_search_order: tar pixz xz lbzip2 bzip2 gzip
 portage_confdir: @REPO_DIR@/releases/weekly/portage/stages
diff --git a/releases/weekly/specs/s390/s390x/stage1.spec b/releases/weekly/specs/s390/s390x/stage1.spec
index cfeec382..07ffc7f2 100644
--- a/releases/weekly/specs/s390/s390x/stage1.spec
+++ b/releases/weekly/specs/s390/s390x/stage1.spec
@@ -6,6 +6,7 @@ profile: default/linux/s390/17.0/s390x
 snapshot: 2008.0
 source_subpath: default/stage3-s390x-latest
 update_seed: yes
+update_seed_command: --update --deep @world --jobs 2 --load-average 2
 compression_mode: pixz_x
 decompressor_search_order: tar pixz xz lbzip2 bzip2 gzip
 portage_confdir: @REPO_DIR@/releases/weekly/portage/stages