diff --git a/.gitattributes b/.gitattributes
index bfb8d8914..9650c5438 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -1,5 +1,10 @@
+.github/ export-ignore
+.travis/ export-ignore
+Tests/ export-ignore
+.appveyor.yml export-ignore
 .gitattributes export-ignore
 .gitignore export-ignore
-.gitmodules export-ignore
-.travis/ export-ignore
 .travis.yml export-ignore
+phpunit.appveyor.xml export-ignore
+phpunit.xml.dist export-ignore
+ruleset.xml export-ignore
diff --git a/README.md b/README.md
index 847ab00f3..0cd18a937 100644
--- a/README.md
+++ b/README.md
@@ -188,3 +188,9 @@ Alternatively, you can simply run the following from the command line:
 ```sh
 composer require joomla/database "~1.0"
 ```
+
+If you want to include the test sources, use
+
+```sh
+composer require --prefer-source joomla/database "~1.0"
+```