diff --git a/.github/workflows/luacheck.yml b/.github/workflows/luacheck.yml
index 2f20456a..ffcb08fe 100644
--- a/.github/workflows/luacheck.yml
+++ b/.github/workflows/luacheck.yml
@@ -1,13 +1,13 @@
 name: Luacheck
 
-on: [push, pull_request]
+on: [ push, pull_request ]
 
 jobs:
 
   luacheck:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     steps:
       - name: Checkout
         uses: actions/checkout@v3
       - name: Luacheck
-        uses: lunarmodules/luacheck@v0
+        uses: lunarmodules/luacheck@v1
diff --git a/.github/workflows/rockspec.yml b/.github/workflows/rockspec.yml
new file mode 100644
index 00000000..9bfe352b
--- /dev/null
+++ b/.github/workflows/rockspec.yml
@@ -0,0 +1,15 @@
+name: Deploy
+
+on: [ push, workflow_dispatch ]
+
+jobs:
+
+  affected:
+    uses: lunarmodules/.github/.github/workflows/list_affected_rockspecs.yml@main
+
+  build:
+    needs: affected
+    if: ${{ needs.affected.outputs.rockspecs }}
+    uses: lunarmodules/.github/.github/workflows/test_build_rock.yml@main
+    with:
+      rockspecs: ${{ needs.affected.outputs.rockspecs }}
diff --git a/penlight-dev-1.rockspec b/penlight-dev-1.rockspec
index 5b00e113..7bd49fdc 100644
--- a/penlight-dev-1.rockspec
+++ b/penlight-dev-1.rockspec
@@ -1,18 +1,16 @@
-local package_name = "penlight"
-local package_version = "dev"
-local rockspec_revision = "1"
-local github_account_name = "lunarmodules"
-local github_repo_name = package_name
-local git_checkout = package_version == "dev" and "master" or package_version
-
+package = "penlight"
+local rock_version = "dev"
+local rock_release = "1"
+local namespace = "lunarmodules"
+local repository = package
 
 rockspec_format = "3.0"
-package = package_name
-version = package_version .. "-" .. rockspec_revision
+version = ("%s-%s"):format(rock_version, rock_release)
 
 source = {
-  url = "git+https://github.com/"..github_account_name.."/"..github_repo_name..".git",
-  branch = git_checkout
+  url = ("git+https://github.com/%s/%s.git"):format(namespace, repository),
+  branch = rock_version == "dev" and "master" or nil,
+  tag = rock_version ~= "dev" and rock_version or nil,
 }
 
 description = {
@@ -24,8 +22,8 @@ description = {
       Much of the functionality is inspired by the Python standard libraries.
     ]],
   license = "MIT/X11",
-  homepage = "https://"..github_account_name..".github.io/"..github_repo_name,
-  issues_url = "https://github.com/"..github_account_name.."/"..github_repo_name.."/issues",
+  homepage = ("https://%s.github.io/%s"):format(namespace, repository),
+  issues_url = ("https://github.com/%s/%s/issues"):format(namespace, repository),
   maintainer = "thijs@thijsschreijer.nl",
 }