diff --git a/tools/gui/gulp-tasks/lint/esconfig.json b/tools/gui/gulp-tasks/lint/esconfig.json
index 670a48d..7ce1a78 100644
--- a/tools/gui/gulp-tasks/lint/esconfig.json
+++ b/tools/gui/gulp-tasks/lint/esconfig.json
@@ -22,7 +22,6 @@
         "block-spacing": ["error", "always"],
         "space-before-function-paren": ["error", { "anonymous": "always", "named": "never" }],
         "max-len": ["error", 120],
-        "no-invalid-this": 0,
-        "switch-colon-spacing": ["error", { "after": true, "before": false }]
+        "no-invalid-this": 0
     }
 }
diff --git a/tools/gui/gulp-tasks/lint/index.js b/tools/gui/gulp-tasks/lint/index.js
index f864c6b..1aeb444 100644
--- a/tools/gui/gulp-tasks/lint/index.js
+++ b/tools/gui/gulp-tasks/lint/index.js
@@ -7,6 +7,8 @@
     '../../web/gui/src/main/webapp/app/**/*.js'
 ];
 
+console.log(eslint().version);
+
 function isFixed(file) {
     // Has ESLint fixed the file contents?
     return file.eslint != null && file.eslint.fixed;
diff --git a/tools/gui/gulp-tasks/unit-tests/index.js b/tools/gui/gulp-tasks/unit-tests/index.js
index e6e7436..899392c 100644
--- a/tools/gui/gulp-tasks/unit-tests/index.js
+++ b/tools/gui/gulp-tasks/unit-tests/index.js
@@ -6,8 +6,7 @@
 
 const test = () => {
     new Server({
-        configFile: path.join(__dirname, '../../../../../', '/web/gui/src/main/webapp/tests/karma.conf.js'),
-        singleRun: true
+        configFile: path.join(__dirname, '../../../../', '/web/gui/src/main/webapp/tests/karma.conf.js'),
     }).start();
 };
 
diff --git a/tools/gui/package.json b/tools/gui/package.json
index 304cd54..25e418b 100644
--- a/tools/gui/package.json
+++ b/tools/gui/package.json
@@ -10,17 +10,16 @@
   },
   "author": "",
   "license": "ISC",
-  "dependencies": {},
   "devDependencies": {
     "babel": "^6.23.0",
     "babel-core": "^6.25.0",
     "babel-preset-es2015": "^6.24.1",
     "browser-sync": "^2.18.12",
-    "eslint": "^4.2.0",
+    "eslint": "^4.4.1",
     "eslint-config-google": "^0.9.1",
     "gulp": "^3.9.1",
     "gulp-concat": "^2.6.1",
-    "gulp-eslint": "3.0.1",
+    "gulp-eslint": "^4.0.0",
     "gulp-if": "^2.0.2",
     "gulp-sourcemaps": "^2.6.0",
     "gulp-strip-comments": "^2.4.5",