diff --git a/packages/animaltracking-network/package.json b/packages/animaltracking-network/package.json
index 2b9dcf8..f6b1f51 100644
--- a/packages/animaltracking-network/package.json
+++ b/packages/animaltracking-network/package.json
@@ -29,7 +29,8 @@
     "composer-cli": "latest",
     "eslint": "^3.6.1",
     "jsdoc": "^3.4.1",
-    "license-check": "^1.1.5"
+    "license-check": "^1.1.5",
+    "mkdirp": "^0.5.1"
   },
   "license-check-config": {
     "src": [