diff --git a/package-lock.json b/package-lock.json
index ed1e0cd..80a551e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -49,7 +49,7 @@
         "postcss-url": "^7.2.1",
         "rimraf": "^2.6.0",
         "semver": "^5.3.0",
-        "shelljs": "^0.7.6",
+        "shelljs": "^0.8.5",
         "stylus": "^0.54.5",
         "stylus-loader": "^3.0.2",
         "uglifyjs-webpack-plugin": "^1.1.1",
@@ -13155,9 +13155,9 @@
       }
     },
     "node_modules/shelljs": {
-      "version": "0.7.8",
-      "resolved": "https://registry.npmjs.org/shelljs/-/shelljs-0.7.8.tgz",
-      "integrity": "sha1-3svPh0sNHl+3LhSxZKloMEjprLM=",
+      "version": "0.8.5",
+      "resolved": "https://registry.npmjs.org/shelljs/-/shelljs-0.8.5.tgz",
+      "integrity": "sha512-TiwcRcrkhHvbrZbnRcFYMLl30Dfov3HKqzp5tO5b4pt6G/SezKcYhmDg15zXVBswHmctSAQKznqNW2LO5tTDow==",
       "dev": true,
       "dependencies": {
         "glob": "^7.0.0",
@@ -13168,8 +13168,7 @@
         "shjs": "bin/shjs"
       },
       "engines": {
-        "iojs": "*",
-        "node": ">=0.11.0"
+        "node": ">=4"
       }
     },
     "node_modules/shellwords": {
@@ -26612,9 +26611,9 @@
       "dev": true
     },
     "shelljs": {
-      "version": "0.7.8",
-      "resolved": "https://registry.npmjs.org/shelljs/-/shelljs-0.7.8.tgz",
-      "integrity": "sha1-3svPh0sNHl+3LhSxZKloMEjprLM=",
+      "version": "0.8.5",
+      "resolved": "https://registry.npmjs.org/shelljs/-/shelljs-0.8.5.tgz",
+      "integrity": "sha512-TiwcRcrkhHvbrZbnRcFYMLl30Dfov3HKqzp5tO5b4pt6G/SezKcYhmDg15zXVBswHmctSAQKznqNW2LO5tTDow==",
       "dev": true,
       "requires": {
         "glob": "^7.0.0",
diff --git a/package.json b/package.json
index 2042808..0861bd6 100644
--- a/package.json
+++ b/package.json
@@ -54,7 +54,7 @@
     "postcss-url": "^7.2.1",
     "rimraf": "^2.6.0",
     "semver": "^5.3.0",
-    "shelljs": "^0.7.6",
+    "shelljs": "^0.8.5",
     "stylus": "^0.54.5",
     "stylus-loader": "^3.0.2",
     "uglifyjs-webpack-plugin": "^1.1.1",