diff --git a/.cow.json b/.cow.json
new file mode 100644
index 0000000..10503a0
--- /dev/null
+++ b/.cow.json
@@ -0,0 +1,19 @@
+{
+  "github-slug": "silverstripe/silverstripe-installer",
+  "changelog-holder": "silverstripe/framework",
+  "changelog-path": "docs/en/04_Changelogs/{stability}/{version}.md",
+  "child-stability-inherit": true,
+  "dependency-constraint": "exact",
+  "vendors": [
+    "silverstripe"
+  ],
+  "archives": [
+    {
+      "recipe": "silverstripe/installer",
+      "files": [
+        "SilverStripe-cms-v{version}.zip",
+        "SilverStripe-cms-v{version}.tar.gz"
+      ]
+    }
+  ]
+}
diff --git a/.gitignore b/.gitignore
index 50e5d86..1c36369 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,8 +4,10 @@
 # ignore all environment files
 _ss_environment.php
 
-# ignore build tools
-/tools/phing-metadata
-
 # ignore composer vendor folder
 /vendor/
+/framework/
+/cms/
+/assets/
+/siteconfig/
+/reports/
diff --git a/assets/.gitignore b/assets/.gitignore
index d826e24..8c0dc7c 100644
--- a/assets/.gitignore
+++ b/assets/.gitignore
@@ -1,4 +1,4 @@
-# Ignore sensible defaults
-/*/
-/error-*.html
-/_combinedfiles/
+/**/*
+!.gitignore
+!.htaccess
+!web.config