diff --git a/.gitignore b/.gitignore
index 720b612d..3e04db63 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 vendor/
 *.swp
 *~
+composer.lock
diff --git a/composer.json b/composer.json
index dd91393d..853519aa 100644
--- a/composer.json
+++ b/composer.json
@@ -12,7 +12,7 @@
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   },
   "require": {
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-    "hhvm/hhvm-autoload": "^1.4"
+    "hhvm": "^3.30.0",
+    "hhvm/hhvm-autoload": "^1.7"
   }
 }
diff --git a/composer.lock b/composer.lock
deleted file mode 100644
index e992894c..00000000
--- a/composer.lock
+++ /dev/null
@@ -1,247 +0,0 @@
-{
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-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
-                "MIT"
-            ],
-            "description": "The Hack Test Library",
-            "time": "2018-10-17T22:18:04+00:00"
-        },
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