diff --git a/.github/workflows/phpstan.yml b/.github/workflows/phpstan.yml
new file mode 100644
index 0000000..191b169
--- /dev/null
+++ b/.github/workflows/phpstan.yml
@@ -0,0 +1,21 @@
+# Run PHPStan and comment on the pull request with any issues.
+#
+# This file is managed in https://github.com/happyprime/projects
+name: PHPStan (Default, PHP 8.3)
+
+on: pull_request
+
+# The GITHUB_TOKEN used by Dependabot has read-only permissions by default. We
+# provide write permissions to this workflow so that comments can be left on
+# the pull request.
+#
+# @see https://docs.github.com/en/code-security/dependabot/working-with-dependabot/automating-dependabot-with-github-actions#changing-github_token-permissions
+permissions:
+  contents: read
+  pull-requests: write
+
+jobs:
+  call-workflow:
+    uses: happyprime/workflows/.github/workflows/phpstan.yml@trunk
+    with:
+      php-version: '8.3'
diff --git a/.github/workflows/phpunit.yml b/.github/workflows/phpunit.yml
index 98ab66b..00080ff 100644
--- a/.github/workflows/phpunit.yml
+++ b/.github/workflows/phpunit.yml
@@ -1,3 +1,6 @@
+# Run PHPUnit.
+#
+# This file is managed in https://github.com/happyprime/projects
 name: PHPUnit
 
 on:
@@ -9,69 +12,5 @@ on:
       - trunk
 
 jobs:
-  phpunit:
-    name: PHPUnit (PHP ${{ matrix.php }} with WordPress ${{ matrix.wordpress }})
-    runs-on: ubuntu-latest
-
-    services:
-      mysql:
-        image: mysql:5.7
-        ports:
-          - 3306/tcp
-        env:
-          MYSQL_ROOT_PASSWORD: password
-        # Set health checks to wait until mysql has started
-        options: >-
-          --health-cmd "mysqladmin ping"
-          --health-interval 10s
-          --health-timeout 5s
-          --health-retries 3
-
-    continue-on-error: ${{ matrix.experimental }}
-    strategy:
-      fail-fast: false
-      matrix:
-        php: ['7.4', '8.0', '8.2']
-        wordpress: ['latest']
-        experimental: [false]
-        include:
-          - php: '8.3'
-            wordpress: 'trunk'
-            experimental: true
-
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v4
-
-      - name: Setup PHP
-        uses: shivammathur/setup-php@v2
-        with:
-          php-version: ${{ matrix.php }}
-          coverage: none
-          extensions: mysqli
-          tools: composer, cs2pr
-
-      - name: Install WordPress test setup
-        env:
-          WP_VERSION: ${{ matrix.wordpress }}
-          MYSQL_PORT: ${{ job.services.mysql.ports[3306] }}
-        run: bash bin/install-wp-tests.sh wordpress_test root password "127.0.0.1:$MYSQL_PORT" "$WP_VERSION"
-
-      - name: Get Composer cache directory
-        id: composer-cache
-        run: |
-          echo "::set-output name=dir::$(composer config cache-files-dir)"
-
-      - name: Setup cache
-        uses: pat-s/always-upload-cache@v3.0.11
-        with:
-          path: ${{ steps.composer-cache.outputs.dir }}
-          key: ${{ runner.os }}-composer-${{ hashFiles('**/composer.lock') }}
-          restore-keys: |
-            ${{ runner.os }}-composer-
-
-      - name: Install dependencies
-        run: composer install --no-interaction --no-scripts
-
-      - name: Run tests
-        run: composer phpunit
+  call-workflow:
+    uses: happyprime/workflows/.github/workflows/phpunit.yml@trunk
diff --git a/.github/workflows/plugin-check.yml b/.github/workflows/plugin-check.yml
new file mode 100644
index 0000000..ebe58c3
--- /dev/null
+++ b/.github/workflows/plugin-check.yml
@@ -0,0 +1,18 @@
+# Run WP.org's plugin check.
+#
+# This file is managed in https://github.com/happyprime/projects
+name: WP.org Plugin Check
+
+on:
+  push:
+    branches:
+      - trunk
+  pull_request:
+    branches:
+      - trunk
+
+jobs:
+  call-workflow:
+    uses: happyprime/workflows/.github/workflows/plugin-check.yml@trunk
+    with:
+      php-version: '8.3'
diff --git a/phpstan.neon.dist b/phpstan.neon.dist
index 0dde24e..2b21d5f 100644
--- a/phpstan.neon.dist
+++ b/phpstan.neon.dist
@@ -2,7 +2,6 @@ includes:
   - %rootDir%/../../happyprime/coding-standards/phpstan.neon.dist
 
 parameters:
-  level: 6
+  level: 5
   ignoreErrors:
-    -
-      identifier: missingType.generics
+      - '#Parameter \#1 \$postarr of function wp_update_post expects array\{ID\?\: int, post_author\?\: int, post_date\?\: string, post_date_gmt\?\: string, post_content\?\: string, post_content_filtered\?\: string, post_title\?\: string, post_excerpt\?\: string, \.\.\.\}, WP_Post\|null given\.#'
diff --git a/plugin.php b/plugin.php
index 6136e2b..9b7f8af 100644
--- a/plugin.php
+++ b/plugin.php
@@ -6,6 +6,8 @@
  * Plugin URI:   https://github.com/happyprime/shadow-terms/
  * Author:       Happy Prime
  * Author URI:   https://happyprime.co
+ * License:      GPLv2 or later
+ * License URI:  https://www.gnu.org/licenses/old-licenses/gpl-2.0.html
  * Text Domain:  shadow-terms
  * Requires PHP: 7.4
  *