diff --git a/package.json b/package.json
index 687f4e8..2c4fbb5 100644
--- a/package.json
+++ b/package.json
@@ -22,7 +22,8 @@
        "lib": "lib"
    },
    "dependencies": {
-       "async": "0.1.15"
+       "async": "0.1.15",
+       "compress-buffer": ">= 0.5.0"
    },
    "devDependencies": {
        "vows": ">=0.5.2",