diff --git a/package.json b/package.json
index 81dc1b9151441f5fcafea1b5eba4d2b1180b6516..1bc5a863e1ec5fa3ed0b2386eb578143e1b5bc11 100644
--- a/package.json
+++ b/package.json
@@ -54,7 +54,7 @@
     "grunt-html-validation": "~0.1.18",
     "grunt-jekyll": "~0.4.2",
     "grunt-jscs": "~1.0.0",
-    "grunt-saucelabs": "~8.3.3",
+    "grunt-saucelabs": "~8.4.0",
     "grunt-sed": "~0.1.1",
     "load-grunt-tasks": "~1.0.0",
     "npm-shrinkwrap": "^200.0.0",
diff --git a/test-infra/npm-shrinkwrap.json b/test-infra/npm-shrinkwrap.json
index 7329d2f24f82b5d6cee340dd6fd82943a5a504eb..217fd9837764ce40927a7ab3ca8224cf463273a0 100644
--- a/test-infra/npm-shrinkwrap.json
+++ b/test-infra/npm-shrinkwrap.json
@@ -3336,8 +3336,8 @@
       }
     },
     "grunt-saucelabs": {
-      "version": "8.3.3",
-      "resolved": "https://registry.npmjs.org/grunt-saucelabs/-/grunt-saucelabs-8.3.3.tgz",
+      "version": "8.4.0",
+      "resolved": "https://registry.npmjs.org/grunt-saucelabs/-/grunt-saucelabs-8.4.0.tgz",
       "dependencies": {
         "colors": {
           "version": "0.6.2",