diff --git a/package-lock.json b/package-lock.json
index 26895c4..afd7c27 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1014,6 +1014,11 @@
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+    "function-bind": {
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+      "resolved": "https://registry.npmjs.org/function-bind/-/function-bind-1.1.1.tgz",
+      "integrity": "sha512-yIovAzMX49sF8Yl58fSCWJ5svSLuaibPxXQJFLmBObTuCr0Mf1KiPopGM9NiFjiYBCbfaa2Fh6breQ6ANVTI0A=="
+    },
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       "resolved": "https://registry.npmjs.org/getpass/-/getpass-0.1.7.tgz",
@@ -1500,6 +1505,14 @@
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+    "has": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/has/-/has-1.0.3.tgz",
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+      "requires": {
+        "function-bind": "^1.1.1"
+      }
+    },
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       "resolved": "https://registry.npmjs.org/has-ansi/-/has-ansi-2.0.0.tgz",
@@ -1626,9 +1639,9 @@
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-      "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/interpret/-/interpret-1.1.0.tgz",
-      "integrity": "sha1-ftGxQQxqDg94z5XTuEQMY/eLhhQ="
+      "version": "1.4.0",
+      "resolved": "https://registry.npmjs.org/interpret/-/interpret-1.4.0.tgz",
+      "integrity": "sha512-agE4QfB2Lkp9uICn7BAqoscw4SZP9kTE2hxiFI3jBPmXJfdqiahTbUuKGsMoN2GtqL9AxhYioAcVvgsb1HvRbA=="
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@@ -1640,6 +1653,14 @@
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       "integrity": "sha1-6qM9bd16zo9/b+DJygRA5wZzix4="
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+    "is-core-module": {
+      "version": "2.8.1",
+      "resolved": "https://registry.npmjs.org/is-core-module/-/is-core-module-2.8.1.tgz",
+      "integrity": "sha512-SdNCUs284hr40hFTFP6l0IfZ/RSrMXF3qgoRHd3/79unUTvrFO/JoXwkGm+5J/Oe3E/b5GsnG330uUNgRpu1PA==",
+      "requires": {
+        "has": "^1.0.3"
+      }
+    },
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@@ -2144,9 +2165,9 @@
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-      "resolved": "https://registry.npmjs.org/path-parse/-/path-parse-1.0.6.tgz",
-      "integrity": "sha512-GSmOT2EbHrINBf9SR7CDELwlJ8AENk3Qn7OikK4nFYAu3Ote2+JYNVvkpAEQm3/TLNEJFD/xZJjzyxg3KBWOzw=="
+      "version": "1.0.7",
+      "resolved": "https://registry.npmjs.org/path-parse/-/path-parse-1.0.7.tgz",
+      "integrity": "sha512-LDJzPVEEEPR+y48z93A0Ed0yXb8pAByGWo/k5YYdYgpY2/2EsOsksJrq7lOHxryrVOn1ejG6oAp8ahvOIQD8sw=="
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@@ -2330,11 +2351,13 @@
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-      "resolved": "https://registry.npmjs.org/resolve/-/resolve-1.8.1.tgz",
-      "integrity": "sha512-AicPrAC7Qu1JxPCZ9ZgCZlY35QgFnNqc+0LtbRNxnVw4TXvjQ72wnuL9JQcEBgXkI9JM8MsT9kaQoHcpCRJOYA==",
+      "version": "1.21.0",
+      "resolved": "https://registry.npmjs.org/resolve/-/resolve-1.21.0.tgz",
+      "integrity": "sha512-3wCbTpk5WJlyE4mSOtDLhqQmGFi0/TD9VPwmiolnk8U0wRgMEktqCXd3vy5buTO3tljvalNvKrjHEfrd2WpEKA==",
       "requires": {
-        "path-parse": "^1.0.5"
+        "is-core-module": "^2.8.0",
+        "path-parse": "^1.0.7",
+        "supports-preserve-symlinks-flag": "^1.0.0"
       }
     },
     "rfdc": {
@@ -2461,9 +2484,9 @@
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     },
     "shelljs": {
-      "version": "0.8.2",
-      "resolved": "https://registry.npmjs.org/shelljs/-/shelljs-0.8.2.tgz",
-      "integrity": "sha512-pRXeNrCA2Wd9itwhvLp5LZQvPJ0wU6bcjaTMywHHGX5XWhVN2nzSu7WV0q+oUY7mGK3mgSkDDzP3MgjqdyIgbQ==",
+      "version": "0.8.5",
+      "resolved": "https://registry.npmjs.org/shelljs/-/shelljs-0.8.5.tgz",
+      "integrity": "sha512-TiwcRcrkhHvbrZbnRcFYMLl30Dfov3HKqzp5tO5b4pt6G/SezKcYhmDg15zXVBswHmctSAQKznqNW2LO5tTDow==",
       "requires": {
         "glob": "^7.0.0",
         "interpret": "^1.0.0",
@@ -2707,6 +2730,11 @@
         "has-flag": "^3.0.0"
       }
     },
+    "supports-preserve-symlinks-flag": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/supports-preserve-symlinks-flag/-/supports-preserve-symlinks-flag-1.0.0.tgz",
+      "integrity": "sha512-ot0WnXS9fgdkgIcePe6RHNk1WA8+muPa6cSjeR3V8K27q9BB1rTE3R1p7Hv0z1ZyAc8s6Vvv8DIyWf681MAt0w=="
+    },
     "tar-stream": {
       "version": "1.6.1",
       "resolved": "https://registry.npmjs.org/tar-stream/-/tar-stream-1.6.1.tgz",
diff --git a/package.json b/package.json
index 18eb7d9..04a3bae 100644
--- a/package.json
+++ b/package.json
@@ -28,7 +28,7 @@
     "multer": "^1.4.1",
     "serve-favicon": "^2.5.0",
     "serve-index": "^1.9.1",
-    "shelljs": "^0.8.2",
+    "shelljs": "^0.8.5",
     "socket.io": "^2.1.1",
     "unzip": "^0.1.11",
     "url-parse-lax": "^3.0.0",