diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
new file mode 100644
index 0000000..88f733f
--- /dev/null
+++ b/.github/workflows/deploy.yml
@@ -0,0 +1,66 @@
+name: Deploy
+
+on:
+  push:
+    paths:
+      - rockspecs/*.rockspec
+
+jobs:
+
+  affected:
+    runs-on: ubuntu-20.04
+    outputs:
+      rockspecs: '["${{ steps.changed-files.outputs.all_modified_files }}"]'
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v2
+      with:
+        fetch-depth: 0
+    - id: changed-files
+      uses: tj-actions/changed-files@v1.0.2
+      with:
+        files: rockspecs/*.rockspec
+        separator: '", "'
+
+  build:
+    needs: affected
+    if: ${{ needs.affected.outputs.rockspecs }}
+    strategy:
+      fail-fast: false
+      matrix:
+        luaVersion: ["5.4", "5.3", "5.2", "5.1", "luajit", "luajit-openresty"]
+        luarocksVersion: ["3.1.3", "2.4.2"]
+        rockspec: ${{ fromJSON(needs.affected.outputs.rockspecs) }}
+    runs-on: ubuntu-20.04
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v2
+    - name: Setup ‘lua’
+      uses: leafo/gh-actions-lua@v8
+      with:
+        luaVersion: ${{ matrix.luaVersion }}
+    - name: Setup ‘luarocks’
+      uses: leafo/gh-actions-luarocks@v4
+      with:
+        luarocksVersion: ${{ matrix.luarocksVersion }}
+    - name: Confirm rockspec builds
+      run: |
+        luarocks --lua-version ${{ matrix.luaVersion }} --local build -- ${{ matrix.rockspec }}
+
+  upload:
+    needs: [affected, build]
+    if: ${{ needs.affected.outputs.rockspecs && github.ref == '/refs/heads/master' }}
+    strategy:
+      fail-fast: false
+      matrix:
+        rockspec: ${{ fromJSON(needs.affected.outputs.rockspecs) }}
+    runs-on: ubuntu-20.04
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v2
+    - name: Setup ‘lua’
+      uses: leafo/gh-actions-lua@v8
+    - name: Setup ‘luarocks’
+      uses: leafo/gh-actions-luarocks@v4
+    - run: |
+        luarocks upload --skip-pack --force --api-key ${{ github.LUAROCKS_APIKEY }} -- ${{ matrix.rockspec }}
diff --git a/.github/workflows/luarocks.yml b/.github/workflows/luarocks.yml
new file mode 100644
index 0000000..ca4d981
--- /dev/null
+++ b/.github/workflows/luarocks.yml
@@ -0,0 +1,21 @@
+name: Luarocks
+
+on: [push, pull_request]
+
+jobs:
+
+  luarocks:
+    runs-on: ubuntu-20.04
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v2
+    - name: Setup ‘lua’
+      uses: leafo/gh-actions-lua@v8
+    - name: Setup ‘luarocks’
+      uses: leafo/gh-actions-luarocks@v4
+    - name: Luarocks lint
+      run: |
+        luarocks --local lint -- cassowary-scm-0.rockspec
+    - name: Luarocks make
+      run: |
+        luarocks --local make -- cassowary-scm-0.rockspec
diff --git a/rockspecs/cassowary-2.3.1-2.rockspec b/rockspecs/cassowary-2.3.1-2.rockspec
index 9750e8d..491e8d5 100644
--- a/rockspecs/cassowary-2.3.1-2.rockspec
+++ b/rockspecs/cassowary-2.3.1-2.rockspec
@@ -1,9 +1,11 @@
+rockspec_format = "1.0"
 package = "cassowary"
 version = "2.3.1-2"
 
 source = {
    url = "git://github.com/sile-typesetter/cassowary.lua",
-   tag = "v2.3.1"
+   tag = "v2.3.1",
+   dir = "cassowary.lua"
 }
 
 description = {