diff --git a/.travis.yml b/.travis.yml
index 2354d8a..c8ff078 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,8 +5,7 @@ os:
   - linux
 
 env:
-  - HHVM_VERSION=4.25-latest
-  - HHVM_VERSION=4.30-latest
+  - HHVM_VERSION=4.56-latest
   - HHVM_VERSION=latest
   - HHVM_VERSION=nightly
 
diff --git a/composer.json b/composer.json
index 8c919f9..c2a2d3e 100644
--- a/composer.json
+++ b/composer.json
@@ -14,11 +14,11 @@
         }
     ],
     "require": {
-        "hhvm": "^4.25",
-        "hhvm/hsl": "^4.25",
-        "nuxed/contract": "^0.3",
+        "hhvm": "^4.56",
+        "hhvm/hsl": "^4.40",
+        "nuxed/contract": "^1.0",
         "hhvm/type-assert": "^3.6",
-        "nuxed/filesystem": "^1.2",
+        "nuxed/filesystem": "^1.4",
         "nuxed/json": "^1.0"
     },
     "require-dev": {