diff --git a/backend/package.json b/backend/package.json
index ce02b833..88a15ec2 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -72,6 +72,7 @@
     "local-network-scan": "^1.1.3",
     "lodash.clonedeep": "^4.5.0",
     "lodash.isequal": "^4.5.0",
+    "macaddress": "^0.5.3",
     "miio": "^0.15.6",
     "moment": "^2.23.0",
     "morgan": "^1.10.0",
diff --git a/backend/src/generated/swagger.json b/backend/src/generated/swagger.json
index ba9c533d..cad0303f 100644
--- a/backend/src/generated/swagger.json
+++ b/backend/src/generated/swagger.json
@@ -1400,7 +1400,7 @@
 		},
 		"contact": {
 			"name": "Haim Kastner",
-			"email": "haim.kastner@gmail.com",
+			"email": "hello@haim-kastner.com",
 			"url": "https://github.com/casanet/casanet-server"
 		}
 	},
diff --git a/backend/yarn.lock b/backend/yarn.lock
index 76c143c2..e0aadb75 100644
--- a/backend/yarn.lock
+++ b/backend/yarn.lock
@@ -3888,6 +3888,11 @@ lru-cache@^6.0.0:
   dependencies:
     yallist "^4.0.0"
 
+macaddress@^0.5.3:
+  version "0.5.3"
+  resolved "https://registry.yarnpkg.com/macaddress/-/macaddress-0.5.3.tgz#2b9d6832be934cb775749f30f57d6537184a2bda"
+  integrity sha512-vGBKTA+jwM4KgjGZ+S/8/Mkj9rWzePyGY6jManXPGhiWu63RYwW8dKPyk5koP+8qNVhPhHgFa1y/MJ4wrjsNrg==
+
 make-dir@^1.0.0:
   version "1.3.0"
   resolved "https://registry.yarnpkg.com/make-dir/-/make-dir-1.3.0.tgz#79c1033b80515bd6d24ec9933e860ca75ee27f0c"