diff --git a/releases/specs/amd64/hardened/stage1-nomultilib.spec b/releases/specs/amd64/hardened/stage1-nomultilib.spec
index 7d28570a..37a3ff6b 100644
--- a/releases/specs/amd64/hardened/stage1-nomultilib.spec
+++ b/releases/specs/amd64/hardened/stage1-nomultilib.spec
@@ -8,6 +8,6 @@ source_subpath: hardened/stage3-amd64-hardened+nomultilib-latest
 compression_mode: pixz_x
 decompressor_search_order: tar pixz xz lbzip2 bzip2 gzip
 update_seed: yes
-update_seed_command: --update --deep @world
+update_seed_command: --update --deep --newuse @world
 portage_confdir: @REPO_DIR@/releases/portage/stages
 portage_prefix: releng
diff --git a/releases/specs/amd64/hardened/stage1-selinux-nomultilib.spec b/releases/specs/amd64/hardened/stage1-selinux-nomultilib.spec
index 21b00142..c525e34b 100644
--- a/releases/specs/amd64/hardened/stage1-selinux-nomultilib.spec
+++ b/releases/specs/amd64/hardened/stage1-selinux-nomultilib.spec
@@ -8,6 +8,6 @@ source_subpath: hardened/stage3-amd64-hardened-selinux+nomultilib-latest
 compression_mode: pixz_x
 decompressor_search_order: tar pixz xz lbzip2 bzip2 gzip
 update_seed: yes
-update_seed_command: --update --deep @world
+update_seed_command: --update --deep --newuse @world
 portage_confdir: @REPO_DIR@/releases/portage/stages
 portage_prefix: releng
diff --git a/releases/specs/amd64/hardened/stage1-selinux.spec b/releases/specs/amd64/hardened/stage1-selinux.spec
index 19c6c041..2a66f7dd 100644
--- a/releases/specs/amd64/hardened/stage1-selinux.spec
+++ b/releases/specs/amd64/hardened/stage1-selinux.spec
@@ -8,6 +8,6 @@ source_subpath: hardened/stage3-amd64-hardened-selinux-latest
 compression_mode: pixz_x
 decompressor_search_order: tar pixz xz lbzip2 bzip2 gzip
 update_seed: yes
-update_seed_command: --update --deep @world
+update_seed_command: --update --deep --newuse @world
 portage_confdir: @REPO_DIR@/releases/portage/stages
 portage_prefix: releng
diff --git a/releases/specs/amd64/hardened/stage1.spec b/releases/specs/amd64/hardened/stage1.spec
index 3b0b9524..b75836cd 100644
--- a/releases/specs/amd64/hardened/stage1.spec
+++ b/releases/specs/amd64/hardened/stage1.spec
@@ -8,6 +8,6 @@ source_subpath: hardened/stage3-amd64-hardened-latest
 compression_mode: pixz_x
 decompressor_search_order: tar pixz xz lbzip2 bzip2 gzip
 update_seed: yes
-update_seed_command: --update --deep @world
+update_seed_command: --update --deep --newuse @world
 portage_confdir: @REPO_DIR@/releases/portage/stages
 portage_prefix: releng
diff --git a/releases/specs/amd64/stage1-nomultilib.spec b/releases/specs/amd64/stage1-nomultilib.spec
index 28a7e34c..4b6ecd4f 100644
--- a/releases/specs/amd64/stage1-nomultilib.spec
+++ b/releases/specs/amd64/stage1-nomultilib.spec
@@ -8,6 +8,6 @@ source_subpath: default/stage3-amd64-nomultilib-latest
 compression_mode: pixz_x
 decompressor_search_order: tar pixz xz lbzip2 bzip2 gzip
 update_seed: yes
-update_seed_command: --update --deep @world
+update_seed_command: --update --deep --newuse @world
 portage_confdir: @REPO_DIR@/releases/portage/stages
 portage_prefix: releng
diff --git a/releases/specs/amd64/stage1-x32.spec b/releases/specs/amd64/stage1-x32.spec
index a4a32ae5..fa7f6d7b 100644
--- a/releases/specs/amd64/stage1-x32.spec
+++ b/releases/specs/amd64/stage1-x32.spec
@@ -8,6 +8,6 @@ source_subpath: default/stage3-x32-latest
 compression_mode: pixz_x
 decompressor_search_order: tar pixz xz lbzip2 bzip2 gzip
 update_seed: yes
-update_seed_command: --update --deep @world
+update_seed_command: --update --deep --newuse @world
 portage_confdir: @REPO_DIR@/releases/portage/stages
 portage_prefix: releng
diff --git a/releases/specs/amd64/stage1.spec b/releases/specs/amd64/stage1.spec
index 19ab4d46..8223eea5 100644
--- a/releases/specs/amd64/stage1.spec
+++ b/releases/specs/amd64/stage1.spec
@@ -8,6 +8,6 @@ source_subpath: default/stage3-amd64-latest
 compression_mode: pixz_x
 decompressor_search_order: tar pixz xz lbzip2 bzip2 gzip
 update_seed: yes
-update_seed_command: --update --deep @world
+update_seed_command: --update --deep --newuse @world
 portage_confdir: @REPO_DIR@/releases/portage/stages
 portage_prefix: releng
diff --git a/releases/specs/ia64/stage1.spec b/releases/specs/ia64/stage1.spec
index 98a0bff7..877231d9 100644
--- a/releases/specs/ia64/stage1.spec
+++ b/releases/specs/ia64/stage1.spec
@@ -8,6 +8,6 @@ source_subpath: default/stage3-ia64-latest
 compression_mode: pixz_x
 decompressor_search_order: tar pixz xz lbzip2 bzip2 gzip
 update_seed: yes
-update_seed_command: --update --deep @world
+update_seed_command: --update --deep --newuse @world
 portage_confdir: @REPO_DIR@/releases/portage/stages
 portage_prefix: releng
diff --git a/releases/specs/ppc/ppc32/stage1.spec b/releases/specs/ppc/ppc32/stage1.spec
index 1fe77eb5..ce177efa 100644
--- a/releases/specs/ppc/ppc32/stage1.spec
+++ b/releases/specs/ppc/ppc32/stage1.spec
@@ -8,5 +8,5 @@ source_subpath: default/stage3-ppc-latest
 compression_mode: pixz_x
 decompressor_search_order: tar pixz xz lbzip2 bzip2 gzip
 update_seed: yes
-update_seed_command: --update --deep @world --jobs 5 --load-average 5
+update_seed_command: --update --deep --newuse @world --jobs 5 --load-average 5
 portage_confdir: @REPO_DIR@/releases/portage/stages
diff --git a/releases/specs/ppc/ppc64/stage1-32ul.spec b/releases/specs/ppc/ppc64/stage1-32ul.spec
index 6232cfd6..a4819631 100644
--- a/releases/specs/ppc/ppc64/stage1-32ul.spec
+++ b/releases/specs/ppc/ppc64/stage1-32ul.spec
@@ -8,6 +8,6 @@ source_subpath: default/stage3-ppc64-32ul-latest
 compression_mode: pixz_x
 decompressor_search_order: tar pixz xz lbzip2 bzip2 gzip
 update_seed: yes
-update_seed_command: --update --deep @world --jobs 5 --load-average 5
+update_seed_command: --update --deep --newuse @world --jobs 5 --load-average 5
 chost: powerpc-unknown-linux-gnu
 portage_confdir: @REPO_DIR@/releases/portage/stages
diff --git a/releases/specs/ppc/ppc64/stage1.spec b/releases/specs/ppc/ppc64/stage1.spec
index 118532fc..b74864c6 100644
--- a/releases/specs/ppc/ppc64/stage1.spec
+++ b/releases/specs/ppc/ppc64/stage1.spec
@@ -8,5 +8,5 @@ source_subpath: default/stage3-ppc64-latest
 compression_mode: pixz_x
 decompressor_search_order: tar pixz xz lbzip2 bzip2 gzip
 update_seed: yes
-update_seed_command: --update --deep @world --jobs 5 --load-average 5
+update_seed_command: --update --deep --newuse @world --jobs 5 --load-average 5
 portage_confdir: @REPO_DIR@/releases/portage/stages
diff --git a/releases/specs/ppc/ppc64le/stage1.spec b/releases/specs/ppc/ppc64le/stage1.spec
index 28230f32..a5e2ef17 100644
--- a/releases/specs/ppc/ppc64le/stage1.spec
+++ b/releases/specs/ppc/ppc64le/stage1.spec
@@ -8,5 +8,5 @@ source_subpath: default/stage3-ppc64le-latest
 compression_mode: pixz_x
 decompressor_search_order: tar pixz xz lbzip2 bzip2 gzip
 update_seed: yes
-update_seed_command: --update --deep @world --jobs 5 --load-average 5
+update_seed_command: --update --deep --newuse @world --jobs 5 --load-average 5
 portage_confdir: @REPO_DIR@/releases/portage/stages
diff --git a/releases/specs/s390/s390/stage1.spec b/releases/specs/s390/s390/stage1.spec
index b2800cfc..3a4f6f1a 100644
--- a/releases/specs/s390/s390/stage1.spec
+++ b/releases/specs/s390/s390/stage1.spec
@@ -6,7 +6,7 @@ profile: default/linux/s390/17.0
 snapshot: @TIMESTAMP@
 source_subpath: default/stage3-s390-latest
 update_seed: yes
-update_seed_command: --update --deep @world --jobs 2 --load-average 2
+update_seed_command: --update --deep --newuse @world --jobs 2 --load-average 2
 compression_mode: pixz_x
 decompressor_search_order: tar pixz xz lbzip2 bzip2 gzip
 portage_confdir: @REPO_DIR@/releases/portage/stages
diff --git a/releases/specs/s390/s390x/stage1.spec b/releases/specs/s390/s390x/stage1.spec
index 54b4323b..c91c9982 100644
--- a/releases/specs/s390/s390x/stage1.spec
+++ b/releases/specs/s390/s390x/stage1.spec
@@ -6,7 +6,7 @@ profile: default/linux/s390/17.0/s390x
 snapshot: @TIMESTAMP@
 source_subpath: default/stage3-s390x-latest
 update_seed: yes
-update_seed_command: --update --deep @world --jobs 2 --load-average 2
+update_seed_command: --update --deep --newuse @world --jobs 2 --load-average 2
 compression_mode: pixz_x
 decompressor_search_order: tar pixz xz lbzip2 bzip2 gzip
 portage_confdir: @REPO_DIR@/releases/portage/stages
diff --git a/releases/specs/sparc/sparc/stage1.spec b/releases/specs/sparc/sparc/stage1.spec
index ca84b02b..5dcbf8b7 100644
--- a/releases/specs/sparc/sparc/stage1.spec
+++ b/releases/specs/sparc/sparc/stage1.spec
@@ -8,6 +8,6 @@ source_subpath: default/stage3-sparc-latest
 compression_mode: pixz_x
 decompressor_search_order: tar pixz xz lbzip2 bzip2 gzip
 update_seed: yes
-update_seed_command: --update --deep @world
+update_seed_command: --update --deep --newuse @world
 portage_confdir: @REPO_DIR@/releases/portage/stages
 portage_prefix: releng
diff --git a/releases/specs/sparc/sparc/systemd-stage1.spec b/releases/specs/sparc/sparc/systemd-stage1.spec
index 62814143..9838dae2 100644
--- a/releases/specs/sparc/sparc/systemd-stage1.spec
+++ b/releases/specs/sparc/sparc/systemd-stage1.spec
@@ -8,6 +8,6 @@ source_subpath: default/stage3-sparc-systemd-latest
 compression_mode: pixz_x
 decompressor_search_order: tar pixz xz lbzip2 bzip2 gzip
 update_seed: yes
-update_seed_command: --update --deep @world
+update_seed_command: --update --deep --newuse @world
 portage_confdir: @REPO_DIR@/releases/portage/stages
 portage_prefix: releng
diff --git a/releases/specs/sparc/sparc64/stage1.spec b/releases/specs/sparc/sparc64/stage1.spec
index 6cddca8b..8a19b4b8 100644
--- a/releases/specs/sparc/sparc64/stage1.spec
+++ b/releases/specs/sparc/sparc64/stage1.spec
@@ -8,6 +8,6 @@ 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
+update_seed_command: --update --deep --newuse @world
 portage_confdir: @REPO_DIR@/releases/portage/stages
 portage_prefix: releng
diff --git a/releases/specs/sparc/sparc64/systemd-stage1.spec b/releases/specs/sparc/sparc64/systemd-stage1.spec
index fdcc06fa..98a61bca 100644
--- a/releases/specs/sparc/sparc64/systemd-stage1.spec
+++ b/releases/specs/sparc/sparc64/systemd-stage1.spec
@@ -8,6 +8,6 @@ source_subpath: default/stage3-sparc64-systemd-latest
 compression_mode: pixz_x
 decompressor_search_order: tar pixz xz lbzip2 bzip2 gzip
 update_seed: yes
-update_seed_command: --update --deep @world
+update_seed_command: --update --deep --newuse @world
 portage_confdir: @REPO_DIR@/releases/portage/stages
 portage_prefix: releng
diff --git a/releases/specs/x86/hardened/stage1.spec b/releases/specs/x86/hardened/stage1.spec
index 4701c4db..f9989841 100644
--- a/releases/specs/x86/hardened/stage1.spec
+++ b/releases/specs/x86/hardened/stage1.spec
@@ -8,6 +8,6 @@ source_subpath: hardened/stage3-i686-hardened-latest
 compression_mode: pixz_x
 decompressor_search_order: tar pixz xz lbzip2 bzip2 gzip
 update_seed: yes
-update_seed_command: --update --deep @world
+update_seed_command: --update --deep --newuse @world
 portage_confdir: @REPO_DIR@/releases/portage/stages
 portage_prefix: releng
diff --git a/releases/specs/x86/i686/stage1.spec b/releases/specs/x86/i686/stage1.spec
index 45568db6..c9e5e17e 100644
--- a/releases/specs/x86/i686/stage1.spec
+++ b/releases/specs/x86/i686/stage1.spec
@@ -8,6 +8,6 @@ source_subpath: default/stage3-i686-latest
 compression_mode: pixz_x
 decompressor_search_order: tar pixz xz lbzip2 bzip2 gzip
 update_seed: yes
-update_seed_command: --update --deep @world
+update_seed_command: --update --deep --newuse @world
 portage_confdir: @REPO_DIR@/releases/portage/stages
 portage_prefix: releng
diff --git a/releases/specs/x86/stage1.spec b/releases/specs/x86/stage1.spec
index 3476275c..580d2571 100644
--- a/releases/specs/x86/stage1.spec
+++ b/releases/specs/x86/stage1.spec
@@ -8,6 +8,6 @@ source_subpath: default/stage3-i486-latest
 compression_mode: pixz_x
 decompressor_search_order: tar pixz xz lbzip2 bzip2 gzip
 update_seed: yes
-update_seed_command: --update --deep @world
+update_seed_command: --update --deep --newuse @world
 portage_confdir: @REPO_DIR@/releases/portage/stages
 portage_prefix: releng