1 files changed, 2 insertions, 1 deletions
diff --git a/package.json b/package.json
index c7f093f..310381b 100644
--- a/package.json
+++ b/package.json
@@ -24,6 +24,7 @@
     "devDependencies": {
         "mocha": "~1.8",
         "browserify": "~2.12.0",
-        "license-sniffer": "~0.1.0"
+        "license-sniffer": "~0.1.0",
+        "duck": "~0.1.11"
     }
 }