diff --git a/acceptance-tests/build.gradle b/acceptance-tests/build.gradle
index 81ceb7e..3b9f7ab 100644
--- a/acceptance-tests/build.gradle
+++ b/acceptance-tests/build.gradle
@@ -36,10 +36,10 @@ dependencies {
 
 if (webserviceEnvironment == "dev") {
     baseUrl = 'http://flying-high-dev.cfapps.io'
-    driver = 'phantomjs'
+    driver = 'firefox'
 } else if (webserviceEnvironment == "prod") {
     baseUrl = 'http://flying-high.cfapps.io'
-    driver = 'phantomjs'
+    driver = 'firefox'
 }
 
 println "webserviceEnvironment = $webserviceEnvironment"