diff --git a/.travis.yml b/.travis.yml
index facecf3..5e02ac6 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -14,9 +14,6 @@ branches:
   only:
     master
 
-before_install:
-  - travis_retry composer self-update
-
 install:
   - phpenv rehash
   - travis_retry composer install --no-interaction --prefer-source
diff --git a/composer.json b/composer.json
index 36a5d80..e6ca81a 100644
--- a/composer.json
+++ b/composer.json
@@ -12,8 +12,8 @@
     "prefer-stable": true,
     "require": {
         "php": ">=7.0.0",
-        "diablomedia/zendframework1-auth": "dev-master",
-        "diablomedia/zendframework1-db": "dev-master"
+        "diablomedia/zendframework1-auth": "^1.0.0",
+        "diablomedia/zendframework1-db": "^1.0.0"
     },
     "autoload": {
         "psr-0": {
diff --git a/phpunit-bootstrap.php b/phpunit-bootstrap.php
new file mode 100644
index 0000000..0b24c9b
--- /dev/null
+++ b/phpunit-bootstrap.php
@@ -0,0 +1,14 @@
+<?php
+
+if (getenv('TRAVIS')) {
+    /**
+     * Zend_Auth_Adapter_DbTable tests
+     */
+    defined('TESTS_ZEND_AUTH_ADAPTER_DBTABLE_PDO_SQLITE_ENABLED') || define('TESTS_ZEND_AUTH_ADAPTER_DBTABLE_PDO_SQLITE_ENABLED', true);
+}
+
+/**
+ * Zend_Auth_Adapter_DbTable tests
+ */
+defined('TESTS_ZEND_AUTH_ADAPTER_DBTABLE_PDO_SQLITE_ENABLED') || define('TESTS_ZEND_AUTH_ADAPTER_DBTABLE_PDO_SQLITE_ENABLED', false);
+defined('TESTS_ZEND_AUTH_ADAPTER_DBTABLE_PDO_SQLITE_DATABASE') || define('TESTS_ZEND_AUTH_ADAPTER_DBTABLE_PDO_SQLITE_DATABASE', ':memory:');
diff --git a/phpunit.xml.dist b/phpunit.xml.dist
index 7f3eb2d..63228f1 100644
--- a/phpunit.xml.dist
+++ b/phpunit.xml.dist
@@ -5,11 +5,8 @@
     beStrictAboutTestsThatDoNotTestAnything="true"
     backupGlobals="true"
     stderr="true"
-    colors="true">
-    <php>
-        <const name="TESTS_ZEND_AUTH_ADAPTER_DBTABLE_PDO_SQLITE_ENABLED" value="false" />
-        <const name="TESTS_ZEND_AUTH_ADAPTER_DBTABLE_PDO_SQLITE_DATABASE" value=":memory:" />
-    </php>
+    colors="true"
+    bootstrap="./phpunit-bootstrap.php">
     <filter>
         <whitelist addUncoveredFilesFromWhitelist="true">
             <directory suffix=".php">./src</directory>