diff --git a/package.json b/package.json
index c81a8f6713654ef3cf713635ea6e11bf5e632332..325ed674464fa30296eb35b0cdc11b673875047d 100644
--- a/package.json
+++ b/package.json
@@ -37,7 +37,8 @@
     "mime": "^1.3.4",
     "npmlog": "^4.0.2",
     "tslint": "^4.4.2",
-    "typescript": "^2.1.6"
+    "typescript": "^2.1.6",
+    "matrix-appservice-bridge": "^1.3.5"
   },
   "devDependencies": {
     "chai": "^3.5.0",