diff --git a/package-lock.json b/package-lock.json
index 438c3c6..71cc4ab 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -127,9 +127,9 @@
       }
     },
     "browser-stdout": {
-      "version": "1.3.0",
-      "resolved": "https://registry.npmjs.org/browser-stdout/-/browser-stdout-1.3.0.tgz",
-      "integrity": "sha1-81HTKWnTL6XXpVZxVCY9korjvR8=",
+      "version": "1.3.1",
+      "resolved": "https://registry.npmjs.org/browser-stdout/-/browser-stdout-1.3.1.tgz",
+      "integrity": "sha512-qhAVI1+Av2X7qelOfAIYwXONood6XlZE/fXaBSmW/T5SzLAmCgzi+eiWE7fUvbHaeNBQH13UftjpXxsfLkMpgw==",
       "dev": true
     },
     "caseless": {
@@ -176,9 +176,9 @@
       }
     },
     "commander": {
-      "version": "2.11.0",
-      "resolved": "https://registry.npmjs.org/commander/-/commander-2.11.0.tgz",
-      "integrity": "sha512-b0553uYA5YAEGgyYIGYROzKQ7X5RAqedkfjiZxwi0kL1g3bOaBNNZfYkzt/CL0umgD5wc9Jec2FbB98CjkMRvQ==",
+      "version": "2.15.1",
+      "resolved": "http://registry.npmjs.org/commander/-/commander-2.15.1.tgz",
+      "integrity": "sha512-VlfT9F3V0v+jr4yxPc5gg9s62/fIVWsd2Bk2iD435um1NlGMYdVCq+MjcXnhYq2icNOizHr1kK+5TI6H0Hy0ag==",
       "dev": true
     },
     "concat-map": {
@@ -236,9 +236,9 @@
       "dev": true
     },
     "diff": {
-      "version": "3.3.1",
-      "resolved": "https://registry.npmjs.org/diff/-/diff-3.3.1.tgz",
-      "integrity": "sha512-MKPHZDMB0o6yHyDryUOScqZibp914ksXwAMYMTHj6KO8UeKsRYNJD3oNCKjTqZon+V488P7N/HzXF8t7ZR95ww==",
+      "version": "3.5.0",
+      "resolved": "https://registry.npmjs.org/diff/-/diff-3.5.0.tgz",
+      "integrity": "sha512-A46qtFgd+g7pDZinpnwiRJtxbC1hpgf0uzP3iG89scHk0AUC7A1TGxf5OiiOUv/JMZR8GOt8hL900hV0bOy5xA==",
       "dev": true
     },
     "ecc-jsbn": {
@@ -1192,9 +1192,9 @@
       "integrity": "sha1-Dovf5NHduIVNZOBOp8AOKgJuVlg="
     },
     "growl": {
-      "version": "1.10.3",
-      "resolved": "https://registry.npmjs.org/growl/-/growl-1.10.3.tgz",
-      "integrity": "sha512-hKlsbA5Vu3xsh1Cg3J7jSmX/WaW6A5oBeqzM88oNbCRQFz+zUaXm6yxS4RVytp1scBoJzSYl4YAEOQIt6O8V1Q==",
+      "version": "1.10.5",
+      "resolved": "https://registry.npmjs.org/growl/-/growl-1.10.5.tgz",
+      "integrity": "sha512-qBr4OuELkhPenW6goKVXiv47US3clb3/IbuWF9KNKEijAy9oeHxU9IgzjvJhHkUzhaj7rOUD7+YGWqUjLp5oSA==",
       "dev": true
     },
     "har-schema": {
@@ -1214,9 +1214,9 @@
       }
     },
     "has-flag": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/has-flag/-/has-flag-2.0.0.tgz",
-      "integrity": "sha1-6CB68cx7MNRGzHC3NLXovhj4jVE=",
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/has-flag/-/has-flag-3.0.0.tgz",
+      "integrity": "sha1-tdRU3CGZriJWmfNGfloH87lVuv0=",
       "dev": true
     },
     "hawk": {
@@ -1467,13 +1467,13 @@
     },
     "minimist": {
       "version": "0.0.8",
-      "resolved": "https://registry.npmjs.org/minimist/-/minimist-0.0.8.tgz",
+      "resolved": "http://registry.npmjs.org/minimist/-/minimist-0.0.8.tgz",
       "integrity": "sha1-hX/Kv8M5fSYluCKCYuhqp6ARsF0=",
       "dev": true
     },
     "mkdirp": {
       "version": "0.5.1",
-      "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-0.5.1.tgz",
+      "resolved": "http://registry.npmjs.org/mkdirp/-/mkdirp-0.5.1.tgz",
       "integrity": "sha1-MAV0OOrGz3+MR2fzhkjWaX11yQM=",
       "dev": true,
       "requires": {
@@ -1481,21 +1481,22 @@
       }
     },
     "mocha": {
-      "version": "5.0.1",
-      "resolved": "https://registry.npmjs.org/mocha/-/mocha-5.0.1.tgz",
-      "integrity": "sha512-SpwyojlnE/WRBNGtvJSNfllfm5PqEDFxcWluSIgLeSBJtXG4DmoX2NNAeEA7rP5kK+79VgtVq8nG6HskaL1ykg==",
+      "version": "5.2.0",
+      "resolved": "https://registry.npmjs.org/mocha/-/mocha-5.2.0.tgz",
+      "integrity": "sha512-2IUgKDhc3J7Uug+FxMXuqIyYzH7gJjXECKe/w43IGgQHTSj3InJi+yAA7T24L9bQMRKiUEHxEX37G5JpVUGLcQ==",
       "dev": true,
       "requires": {
-        "browser-stdout": "1.3.0",
-        "commander": "2.11.0",
+        "browser-stdout": "1.3.1",
+        "commander": "2.15.1",
         "debug": "3.1.0",
-        "diff": "3.3.1",
+        "diff": "3.5.0",
         "escape-string-regexp": "1.0.5",
         "glob": "7.1.2",
-        "growl": "1.10.3",
+        "growl": "1.10.5",
         "he": "1.1.1",
+        "minimatch": "3.0.4",
         "mkdirp": "0.5.1",
-        "supports-color": "4.4.0"
+        "supports-color": "5.4.0"
       }
     },
     "ms": {
@@ -1833,12 +1834,12 @@
       "dev": true
     },
     "supports-color": {
-      "version": "4.4.0",
-      "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-4.4.0.tgz",
-      "integrity": "sha512-rKC3+DyXWgK0ZLKwmRsrkyHVZAjNkfzeehuFWdGGcqGDTZFH73+RH6S/RDAAxl9GusSjZSUWYLmT9N5pzXFOXQ==",
+      "version": "5.4.0",
+      "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-5.4.0.tgz",
+      "integrity": "sha512-zjaXglF5nnWpsq470jSv6P9DwPvgLkuapYmfDm3JWOm0vkNTVF2tI4UrN2r6jH1qM/uc/WtxYY1hYoA2dOKj5w==",
       "dev": true,
       "requires": {
-        "has-flag": "^2.0.0"
+        "has-flag": "^3.0.0"
       }
     },
     "tough-cookie": {
diff --git a/package.json b/package.json
index e866b3b..ee9be29 100644
--- a/package.json
+++ b/package.json
@@ -29,7 +29,7 @@
   },
   "devDependencies": {
     "coffee-script": ">= 1.8.0",
-    "mocha": "^5.0.1",
+    "mocha": "^5.2.0",
     "request": ">= 2.9.203",
     "should": "^13.2.1",
     "sinon": "^1.17.4"
diff --git a/test/index.test.coffee b/test/index.test.coffee
index d7de512..fc7fb35 100644
--- a/test/index.test.coffee
+++ b/test/index.test.coffee
@@ -154,7 +154,7 @@ describe 'livereload server startup', ->
   it 'should gracefully handle something running on the same port', (done) ->
     new_server = livereload.createServer({debug: true, port: 35729})
     new_server.on 'error', (err) ->
-      err.code.should.be("EADDRINUSE")
+      err.code.should.be.equal("EADDRINUSE")
 
     done()