diff --git a/.travis.yml b/.travis.yml
index 023a73c..8f29b57 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -34,13 +34,21 @@ after_success:
 jobs:
   include:
     - php: 7.0
-      env: TEST_SUITE=2.3
+      env:
+        - TEST_SUITE=2.3
+        - OPENCART=2.3
     - php: 7.1
-      env: TEST_SUITE=2.3
+      env:
+        - TEST_SUITE=2.3
+        - OPENCART=2.3
     - php: 7.2
-      env: TEST_SUITE=2.3
+      env:
+        - TEST_SUITE=2.3
+        - OPENCART=2.3
     - php: 7.3
-      env: TEST_SUITE=2.3
+      env:
+        - TEST_SUITE=2.3
+        - OPENCART=2.3
     - stage: deploy
       before_script: skip
       script: make build_archive
diff --git a/Makefile b/Makefile
index f68b0f0..cb286ce 100644
--- a/Makefile
+++ b/Makefile
@@ -18,6 +18,7 @@ before_script:
 	# Change MySQL root password
 	echo "USE mysql;\nUPDATE user SET password=PASSWORD('root') WHERE user='root';\nFLUSH PRIVILEGES;\n" | mysql -u root
 	composer require --dev beyondit/opencart-test-suite ~$(TEST_SUITE)
+	composer require --dev opencart/opencart ~$(OPENCART)
 	composer setup
 	bin/robo --load-from tests/RoboFile.php project:deploy
 	(php -S localhost:8000 -t www &) 2> /dev/null > /dev/null
diff --git a/composer.json b/composer.json
index 29a2ebb..fc8517e 100644
--- a/composer.json
+++ b/composer.json
@@ -24,5 +24,8 @@
         "@test-catalog"
       ],
       "setup" : "bin/robo --load-from tests/RoboFile.php opencart:setup"
+    },
+    "require-dev": {
+      "consolidation/robo": "~1.0"
     }
 }