diff --git a/.travis.yml b/.travis.yml
index d77887d..20d68ae 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -10,7 +10,6 @@ php:
   - 7.0
   - 7.1
   - nightly
-  - hhvm
 
 env:
   global:
diff --git a/composer.json b/composer.json
index 0117192..56174ee 100644
--- a/composer.json
+++ b/composer.json
@@ -20,6 +20,7 @@
         "doctrine/annotations": "^1.3",
         "mattketmo/camel": "^1.1",
         "phpdocumentor/reflection-docblock": "^3.0",
+        "phpdocumentor/type-resolver": ">=0.1.7",
         "rybakit/arguments-resolver": "^0.5.0",
         "php-http/message": "^1.4",
         "php-http/multipart-stream-builder": "^1.0",