diff --git a/package-lock.json b/package-lock.json
index f0be605..dd78525 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -6818,9 +6818,9 @@
       "dev": true
     },
     "opn": {
-      "version": "5.1.0",
-      "resolved": "https://registry.npmjs.org/opn/-/opn-5.1.0.tgz",
-      "integrity": "sha512-iPNl7SyM8L30Rm1sjGdLLheyHVw5YXVfi3SKWJzBI7efxRwHojfRFjwE/OLM6qp9xJYMgab8WicTU1cPoY+Hpg==",
+      "version": "5.2.0",
+      "resolved": "https://registry.npmjs.org/opn/-/opn-5.2.0.tgz",
+      "integrity": "sha512-Jd/GpzPyHF4P2/aNOVmS3lfMSWV9J7cOhCG1s08XCEAsPkB7lp6ddiU0J7XzyQRDUh8BqJ7PchfINjR8jyofRQ==",
       "dev": true,
       "requires": {
         "is-wsl": "1.1.0"
diff --git a/package.json b/package.json
index 8dd270d..ada1ff4 100644
--- a/package.json
+++ b/package.json
@@ -81,7 +81,7 @@
     "mocha": "^4.0.1",
     "nightwatch": "^0.9.19",
     "node-sass": "^4.7.2",
-    "opn": "^5.1.0",
+    "opn": "^5.2.0",
     "optimize-css-assets-webpack-plugin": "^3.2.0",
     "ora": "^1.1.0",
     "phantomjs-polyfill": "^0.0.2",
diff --git a/yarn.lock b/yarn.lock
index 3adbc1b..b4d9ac1 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4666,9 +4666,9 @@ opener@^1.4.3:
   version "1.4.3"
   resolved "https://registry.yarnpkg.com/opener/-/opener-1.4.3.tgz#5c6da2c5d7e5831e8ffa3964950f8d6674ac90b8"
 
-opn@^5.1.0:
-  version "5.1.0"
-  resolved "https://registry.yarnpkg.com/opn/-/opn-5.1.0.tgz#72ce2306a17dbea58ff1041853352b4a8fc77519"
+opn@^5.2.0:
+  version "5.2.0"
+  resolved "https://registry.yarnpkg.com/opn/-/opn-5.2.0.tgz#71fdf934d6827d676cecbea1531f95d354641225"
   dependencies:
     is-wsl "^1.1.0"