diff --git a/releases/weekly/specs/sparc/sparc64/stage1.spec b/releases/weekly/specs/sparc/sparc64/stage1.spec
index 81dfe1af..abf8875a 100644
--- a/releases/weekly/specs/sparc/sparc64/stage1.spec
+++ b/releases/weekly/specs/sparc/sparc64/stage1.spec
@@ -1,8 +1,13 @@
 subarch: sparc64
-version_stamp: 2008.0
 target: stage1
+version_stamp: latest
 rel_type: default
 profile: default/linux/sparc/13.0
-snapshot: 2008.0
+snapshot: latest
 source_subpath: default/stage3-sparc64-latest
+compression_mode: pixz_x
+decompressor_search_order: tar pixz xz lbzip2 bzip2 gzip
 update_seed: yes
+update_seed_command: --update --deep @world
+portage_confdir: @REPO_DIR@/releases/weekly/portage/stages
+portage_prefix: releng
diff --git a/releases/weekly/specs/sparc/sparc64/stage2.spec b/releases/weekly/specs/sparc/sparc64/stage2.spec
index c8d183bb..a8a52fed 100644
--- a/releases/weekly/specs/sparc/sparc64/stage2.spec
+++ b/releases/weekly/specs/sparc/sparc64/stage2.spec
@@ -1,7 +1,11 @@
 subarch: sparc64
-version_stamp: 2008.0
 target: stage2
+version_stamp: latest
 rel_type: default
 profile: default/linux/sparc/13.0
-snapshot: 2008.0
-source_subpath: default/stage1-sparc64-2008.0
+snapshot: latest
+source_subpath: default/stage1-sparc64-latest
+compression_mode: pixz_x
+decompressor_search_order: tar pixz xz lbzip2 bzip2 gzip
+portage_confdir: @REPO_DIR@/releases/weekly/portage/stages
+portage_prefix: releng
diff --git a/releases/weekly/specs/sparc/sparc64/stage3.spec b/releases/weekly/specs/sparc/sparc64/stage3.spec
index febd32ac..86bb2d81 100644
--- a/releases/weekly/specs/sparc/sparc64/stage3.spec
+++ b/releases/weekly/specs/sparc/sparc64/stage3.spec
@@ -1,7 +1,11 @@
 subarch: sparc64
-version_stamp: 2008.0
 target: stage3
+version_stamp: latest
 rel_type: default
 profile: default/linux/sparc/13.0
-snapshot: 2008.0
-source_subpath: default/stage2-sparc64-2008.0
+snapshot: latest
+source_subpath: default/stage2-sparc64-latest
+compression_mode: pixz_x
+decompressor_search_order: tar pixz xz lbzip2 bzip2 gzip
+portage_confdir: @REPO_DIR@/releases/weekly/portage/stages
+portage_prefix: releng