diff --git a/.forgejo/workflows/main.yaml b/.forgejo/workflows/main.yaml
index 780827a..cf63bfa 100644
--- a/.forgejo/workflows/main.yaml
+++ b/.forgejo/workflows/main.yaml
@@ -1,7 +1,7 @@
 on: [push]
 jobs:
 
-  archlinux_latest:
+  archlinux:
     container:
       image: ${{vars.DOCKER}}archlinux:base-20240818.0.255804
     steps:
@@ -14,22 +14,8 @@ jobs:
     - run: spcd-build-project
     - run: spcd-browse-workspace
 
-  archlinux_previous:
-    needs: archlinux_latest
-    container:
-      image: ${{vars.DOCKER}}archlinux:base-20240101.0.204074
-    steps:
-    - name: spcd
-      env:
-        SPCD: ${{vars.SPCD}}
-      run: ${{vars.SPCD}}
-
-    - run: spcd-check-project
-    - run: spcd-build-project
-    - run: spcd-browse-workspace
-
-  alpine_latest:
-    needs: archlinux_previous
+  alpine:
+    needs: archlinux
     container:
       image: ${{vars.DOCKER}}alpine:3.20
     steps:
@@ -42,8 +28,8 @@ jobs:
     - run: spcd-build-project
     - run: spcd-browse-workspace
 
-  fedora_latest:
-    needs: alpine_latest
+  fedora:
+    needs: alpine
     container:
       image: ${{vars.DOCKER}}fedora:40
     steps:
@@ -56,8 +42,8 @@ jobs:
     - run: spcd-build-project
     - run: spcd-browse-workspace
 
-  debian_latest:
-    needs: fedora_latest
+  debian:
+    needs: fedora
     container:
       image: ${{vars.DOCKER}}debian:bookworm
     steps:
@@ -73,8 +59,8 @@ jobs:
     - run: spcd-browse-workspace
     - run: spcd-synchronize
 
-  opensuse_latest:
-    needs: debian_latest
+  opensuse:
+    needs: debian
     container:
       image: ${{vars.DOCKER}}opensuse/leap:15.6
     steps:
@@ -87,8 +73,8 @@ jobs:
     - run: spcd-build-project
     - run: spcd-browse-workspace
 
-  ubuntu_latest:
-    needs: opensuse_latest
+  ubuntu:
+    needs: opensuse
     container:
       image: ${{vars.DOCKER}}ubuntu:noble
     steps:
@@ -101,8 +87,8 @@ jobs:
     - run: spcd-build-project
     - run: spcd-browse-workspace
 
-  almalinux_latest:
-    needs: ubuntu_latest
+  almalinux:
+    needs: ubuntu
     container:
       image: ${{vars.DOCKER}}almalinux:9
     steps:
@@ -115,8 +101,8 @@ jobs:
     - run: spcd-build-project
     - run: spcd-browse-workspace
 
-  rockylinux_latest:
-    needs: almalinux_latest
+  rockylinux:
+    needs: almalinux
     container:
       image: ${{vars.DOCKER}}rockylinux:9
     steps:
@@ -128,101 +114,3 @@ jobs:
     - run: spcd-check-project
     - run: spcd-build-project
     - run: spcd-browse-workspace
-
-  alpine_previous:
-    needs: rockylinux_latest
-    container:
-      image: ${{vars.DOCKER}}alpine:3.19
-    steps:
-    - name: spcd
-      env:
-        SPCD: ${{vars.SPCD}}
-      run: ${{vars.SPCD}}
-
-    - run: spcd-check-project
-    - run: spcd-build-project
-    - run: spcd-browse-workspace
-
-  fedora_previous:
-    needs: alpine_previous
-    container:
-      image: ${{vars.DOCKER}}fedora:39
-    steps:
-    - name: spcd
-      env:
-        SPCD: ${{vars.SPCD}}
-      run: ${{vars.SPCD}}
-
-    - run: spcd-check-project
-    - run: spcd-build-project
-    - run: spcd-browse-workspace
-
-  opensuse_previous:
-    needs: fedora_previous
-    container:
-      image: ${{vars.DOCKER}}opensuse/leap:15.5
-    steps:
-    - name: spcd
-      env:
-        SPCD: ${{vars.SPCD}}
-      run: ${{vars.SPCD}}
-
-    - run: spcd-check-project
-    - run: spcd-build-project
-    - run: spcd-browse-workspace
-
-  almalinux_previous:
-    needs: opensuse_previous
-    container:
-      image: ${{vars.DOCKER}}almalinux:8
-    steps:
-    - name: spcd
-      env:
-        SPCD: ${{vars.SPCD}}
-      run: ${{vars.SPCD}}
-
-    - run: spcd-check-project
-    - run: spcd-build-project
-    - run: spcd-browse-workspace
-
-  rockylinux_previous:
-    needs: almalinux_previous
-    container:
-      image: ${{vars.DOCKER}}rockylinux:8
-    steps:
-    - name: spcd
-      env:
-        SPCD: ${{vars.SPCD}}
-      run: ${{vars.SPCD}}
-
-    - run: spcd-check-project
-    - run: spcd-build-project
-    - run: spcd-browse-workspace
-
-  ubuntu_previous:
-    needs: rockylinux_previous
-    container:
-      image: ${{vars.DOCKER}}ubuntu:jammy
-    steps:
-    - name: spcd
-      env:
-        SPCD: ${{vars.SPCD}}
-      run: ${{vars.SPCD}}
-
-    - run: spcd-check-project
-    - run: spcd-build-project
-    - run: spcd-browse-workspace
-
-  debian_previous:
-    needs: ubuntu_previous
-    container:
-      image: ${{vars.DOCKER}}debian:bullseye
-    steps:
-    - name: spcd
-      env:
-        SPCD: ${{vars.SPCD}}
-      run: ${{vars.SPCD}}
-
-    - run: spcd-check-project
-    - run: spcd-build-project
-    - run: spcd-browse-workspace
diff --git a/.forgejo/workflows/previous.yaml b/.forgejo/workflows/previous.yaml
new file mode 100644
index 0000000..92bbcb8
--- /dev/null
+++ b/.forgejo/workflows/previous.yaml
@@ -0,0 +1,113 @@
+on: [push]
+jobs:
+
+  archlinux:
+    container:
+      image: ${{vars.DOCKER}}archlinux:base-20240101.0.204074
+    steps:
+    - name: spcd
+      env:
+        SPCD: ${{vars.SPCD}}
+      run: ${{vars.SPCD}}
+
+    - run: spcd-check-project
+    - run: spcd-build-project
+    - run: spcd-browse-workspace
+
+  alpine:
+    needs: archlinux
+    container:
+      image: ${{vars.DOCKER}}alpine:3.19
+    steps:
+    - name: spcd
+      env:
+        SPCD: ${{vars.SPCD}}
+      run: ${{vars.SPCD}}
+
+    - run: spcd-check-project
+    - run: spcd-build-project
+    - run: spcd-browse-workspace
+
+  fedora:
+    needs: alpine
+    container:
+      image: ${{vars.DOCKER}}fedora:39
+    steps:
+    - name: spcd
+      env:
+        SPCD: ${{vars.SPCD}}
+      run: ${{vars.SPCD}}
+
+    - run: spcd-check-project
+    - run: spcd-build-project
+    - run: spcd-browse-workspace
+
+  opensuse:
+    needs: fedora
+    container:
+      image: ${{vars.DOCKER}}opensuse/leap:15.5
+    steps:
+    - name: spcd
+      env:
+        SPCD: ${{vars.SPCD}}
+      run: ${{vars.SPCD}}
+
+    - run: spcd-check-project
+    - run: spcd-build-project
+    - run: spcd-browse-workspace
+
+  almalinux:
+    needs: opensuse
+    container:
+      image: ${{vars.DOCKER}}almalinux:8
+    steps:
+    - name: spcd
+      env:
+        SPCD: ${{vars.SPCD}}
+      run: ${{vars.SPCD}}
+
+    - run: spcd-check-project
+    - run: spcd-build-project
+    - run: spcd-browse-workspace
+
+  rockylinux:
+    needs: almalinux
+    container:
+      image: ${{vars.DOCKER}}rockylinux:8
+    steps:
+    - name: spcd
+      env:
+        SPCD: ${{vars.SPCD}}
+      run: ${{vars.SPCD}}
+
+    - run: spcd-check-project
+    - run: spcd-build-project
+    - run: spcd-browse-workspace
+
+  ubuntu:
+    needs: rockylinux
+    container:
+      image: ${{vars.DOCKER}}ubuntu:jammy
+    steps:
+    - name: spcd
+      env:
+        SPCD: ${{vars.SPCD}}
+      run: ${{vars.SPCD}}
+
+    - run: spcd-check-project
+    - run: spcd-build-project
+    - run: spcd-browse-workspace
+
+  debian:
+    needs: ubuntu
+    container:
+      image: ${{vars.DOCKER}}debian:bullseye
+    steps:
+    - name: spcd
+      env:
+        SPCD: ${{vars.SPCD}}
+      run: ${{vars.SPCD}}
+
+    - run: spcd-check-project
+    - run: spcd-build-project
+    - run: spcd-browse-workspace
diff --git a/readme.md b/readme.md
index e9702d4..559e788 100644
--- a/readme.md
+++ b/readme.md
@@ -211,8 +211,6 @@ Handle project workflows in a unified way:
 
 ## When
 
-* sequential workflows
-
 ### Shell
 
 * comment
diff --git a/spcd/bootstrap.sh b/spcd/bootstrap.sh
index 0e1ce38..b58e1cf 100644
--- a/spcd/bootstrap.sh
+++ b/spcd/bootstrap.sh
@@ -18,7 +18,7 @@
 [ -n "${SPCD_REF_STAGING}" ] || SPCD_REF_STAGING="dev"
 
 [ -n "${SPCD_URL_ALPINE}" ] ||
-    SPCD_URL_ALPINE="https://dl-cdn.alpinelinux.org"
+    SPCD_URL_ALPINE="https://dl-cdn.alpinelinux.org/alpine"
 [ -n "${SPCD_URL_ARCH}" ] ||
     SPCD_URL_ARCH="https://geo.mirror.pkgbuild.com"
 [ -n "${SPCD_URL_DEBIAN}" ] ||