diff --git a/.travis.yml b/.travis.yml
index 71c7427c..85c8910d 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -16,6 +16,7 @@ php:
     - 5.6
     - 7.0
     - 7.1
+    - 7.2
     - nightly
     - hhvm
     - hhvm-nightly
diff --git a/composer.json b/composer.json
index 61c16da9..a399541f 100644
--- a/composer.json
+++ b/composer.json
@@ -9,6 +9,7 @@
         "php": ">=5.5",
         "behat/behat": "^3.0.13",
         "behat/mink-extension": "^2.0",
+        "guzzlehttp/guzzle": "^6.3",
         "justinrainbow/json-schema": "^5.0",
         "symfony/property-access": "^2.3|^3.0|^4.0",
         "symfony/http-foundation": "^2.3|^3.0|^4.0",