diff --git a/package-lock.json b/package-lock.json
index 09dff3d..7022bd0 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "gpcalc",
-  "version": "1.0.0",
+  "version": "1.0.1",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -11166,9 +11166,9 @@
       "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 2acf326..ed54129 100644
--- a/package.json
+++ b/package.json
@@ -67,7 +67,7 @@
     "phantomjs-prebuilt": "^2.1.15",
     "rimraf": "^2.6.2",
     "semver": "^5.4.1",
-    "shelljs": "^0.7.8",
+    "shelljs": "^0.8.5",
     "sinon": "^4.0.1",
     "sinon-chai": "^2.14.0",
     "sw-precache-webpack-plugin": "^0.11.4",