diff --git a/.forgejo/workflows/android.yml b/.forgejo/workflows/android.yml
index 6382b38..56e997d 100644
--- a/.forgejo/workflows/android.yml
+++ b/.forgejo/workflows/android.yml
@@ -27,6 +27,9 @@ on:
       - "core/**"
       - "Cargo.toml"
       - "Cargo.lock"
+      # The version deriver — see the note in desktop.yml. This lane did not run on
+      # 85ead4d, which changed it.
+      - "packaging/**"
       - ".forgejo/workflows/android.yml"
   workflow_dispatch:
 
diff --git a/.forgejo/workflows/ci.yml b/.forgejo/workflows/ci.yml
index 81cf617..6cd7810 100644
--- a/.forgejo/workflows/ci.yml
+++ b/.forgejo/workflows/ci.yml
@@ -26,6 +26,8 @@ on:
       - "alembic/**"
       - "alembic.ini"
       - "Dockerfile"
+      # The version deriver — see the note in desktop.yml.
+      - "packaging/**"
       - ".forgejo/workflows/ci.yml"
   # Dispatched by the Android lane once it has published a client, so the image
   # that bakes it in is built AFTER the APK exists rather than racing it. See the
diff --git a/.forgejo/workflows/desktop.yml b/.forgejo/workflows/desktop.yml
index 0add310..5815b6f 100644
--- a/.forgejo/workflows/desktop.yml
+++ b/.forgejo/workflows/desktop.yml
@@ -37,6 +37,13 @@ on:
       # of date. Config and lockfile included — a dependency bump changes the bundle
       # as surely as a component does.
       - "frontend/**"
+      # The version deriver. It decides what this artifact CLAIMS to be, so a change
+      # to it is a change to the artifact — and `packaging/version.sh` lists this
+      # same set from the other side. Two places holding one decision, which is why
+      # step 6 replaces these filters with skip-if-exists. Until then: edit one, edit
+      # the other. Learned the direct way — 85ead4d changed the deriver and this lane
+      # did not run at all.
+      - "packaging/**"
       - ".forgejo/workflows/desktop.yml"
   workflow_dispatch: