diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000..d8bac3e
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1,6 @@
+# Exclude Git and CI configuration files from archives.
+.git* export-ignore
+
+# Exclude test-related files from archives.
+tests/ export-ignore
+phpstan* export-ignore
diff --git a/.github/workflows/php.yml b/.github/workflows/php.yml
index 22bfa1e..137caa3 100644
--- a/.github/workflows/php.yml
+++ b/.github/workflows/php.yml
@@ -4,9 +4,9 @@ on:
   push:
     branches:
       - main
+      - support/*
   pull_request:
-    branches:
-      - main
+  workflow_dispatch:
 
 jobs:
   php:
diff --git a/.gitignore b/.gitignore
index 34d585a..681b17e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,9 +1,5 @@
-# Exclude all hidden files
-.*
-
-# Except those related to Git (and GitHub)
-!.git*
-
-# Exclude files from composer install
-vendor/
+# Ignore Composer installation artifacts; composer.lock is intentionally
+# excluded as this is a library - applications depending on this package
+# manage their own lock file.
+/vendor/
 composer.lock
diff --git a/composer.json b/composer.json
index 5348316..1522780 100644
--- a/composer.json
+++ b/composer.json
@@ -1,8 +1,8 @@
 {
   "name": "ipl/orm",
-  "type": "library",
   "description": "Icinga PHP Library - ORM",
   "license": "MIT",
+  "type": "library",
   "keywords": [
     "sql",
     "database",
@@ -15,19 +15,22 @@
     "ipl/sql": ">=0.9.1",
     "ipl/stdlib": ">=0.15.0"
   },
-  "autoload": {
-    "psr-4": {
-      "ipl\\Orm\\": "src"
-    }
-  },
   "require-dev": {
     "ext-pdo_sqlite": "*",
     "ipl/sql": "dev-main",
     "ipl/stdlib": "dev-main"
   },
+  "autoload": {
+    "psr-4": {
+      "ipl\\Orm\\": "src"
+    }
+  },
   "autoload-dev": {
     "psr-4": {
       "ipl\\Tests\\Orm\\": "tests"
     }
+  },
+  "config": {
+    "sort-packages": true
   }
 }