diff --git a/DemoPage/package.json b/DemoPage/package.json
index c9a03fa..36adddf 100644
--- a/DemoPage/package.json
+++ b/DemoPage/package.json
@@ -71,7 +71,7 @@
     "sass-loader": "^7.1.0",
     "selenium-server": "^3.0.1",
     "semver": "^5.3.0",
-    "shelljs": "^0.7.6",
+    "shelljs": "^0.8.5",
     "sinon": "^4.0.0",
     "sinon-chai": "^2.8.0",
     "uglifyjs-webpack-plugin": "^1.1.1",
diff --git a/DemoPage/yarn.lock b/DemoPage/yarn.lock
index cab3984..99a761e 100644
--- a/DemoPage/yarn.lock
+++ b/DemoPage/yarn.lock
@@ -6276,9 +6276,9 @@ shebang-regex@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/shebang-regex/-/shebang-regex-1.0.0.tgz#da42f49740c0b42db2ca9728571cb190c98efea3"
 
-shelljs@^0.7.6:
-  version "0.7.8"
-  resolved "https://registry.yarnpkg.com/shelljs/-/shelljs-0.7.8.tgz#decbcf874b0d1e5fb72e14b164a9683048e9acb3"
+shelljs@^0.8.5:
+  version "0.8.5"
+  resolved "https://registry.yarnpkg.com/shelljs/-/shelljs-0.8.5.tgz#de055408d8361bed66c669d2f000538ced8ee20c"
   dependencies:
     glob "^7.0.0"
     interpret "^1.0.0"