diff --git a/.gitignore b/.gitignore
index 44de97a3..d1502b08 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,2 @@
 vendor/
 composer.lock
-phpunit.xml
-
diff --git a/phpunit.xml b/phpunit.xml
new file mode 100644
index 00000000..79703fce
--- /dev/null
+++ b/phpunit.xml
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<phpunit backupGlobals="false"
+         backupStaticAttributes="false"
+         colors="true"
+         convertErrorsToExceptions="true"
+         convertNoticesToExceptions="true"
+         convertWarningsToExceptions="true"
+         stopOnFailure="false"
+         bootstrap="vendor/autoload.php"
+>
+  <testsuites>
+    <testsuite name="CommerceGuys Addressing Test Suite">
+      <directory>./tests/</directory>
+    </testsuite>
+  </testsuites>
+
+  <filter>
+    <whitelist>
+      <directory suffix=".php">./src/</directory>
+    </whitelist>
+  </filter>
+</phpunit>