diff --git a/package-lock.json b/package-lock.json
index 5292292..5bbbb35 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -186,6 +186,11 @@
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       "integrity": "sha1-FQStJSMVjKpA20onh8sBQRmU6k8="
     },
+    "function-bind": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/function-bind/-/function-bind-1.1.1.tgz",
+      "integrity": "sha512-yIovAzMX49sF8Yl58fSCWJ5svSLuaibPxXQJFLmBObTuCr0Mf1KiPopGM9NiFjiYBCbfaa2Fh6breQ6ANVTI0A=="
+    },
     "get-stream": {
       "version": "4.1.0",
       "resolved": "https://registry.npmjs.org/get-stream/-/get-stream-4.1.0.tgz",
@@ -207,6 +212,14 @@
         "path-is-absolute": "^1.0.0"
       }
     },
+    "has": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/has/-/has-1.0.3.tgz",
+      "integrity": "sha512-f2dvO0VU6Oej7RkWJGrehjbzMAjFp5/VKPp5tTpWIV4JHHZK1/BxbFRtf/siA2SWTe09caDmVtYYzWEIbBS4zw==",
+      "requires": {
+        "function-bind": "^1.1.1"
+      }
+    },
     "inflight": {
       "version": "1.0.6",
       "resolved": "https://registry.npmjs.org/inflight/-/inflight-1.0.6.tgz",
@@ -222,9 +235,17 @@
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     },
     "interpret": {
-      "version": "1.2.0",
-      "resolved": "https://registry.npmjs.org/interpret/-/interpret-1.2.0.tgz",
-      "integrity": "sha512-mT34yGKMNceBQUoVn7iCDKDntA7SC6gycMAWzGx1z/CMCTV7b2AAtXlo3nRyHZ1FelRkQbQjprHSYGwzLtkVbw=="
+      "version": "1.4.0",
+      "resolved": "https://registry.npmjs.org/interpret/-/interpret-1.4.0.tgz",
+      "integrity": "sha512-agE4QfB2Lkp9uICn7BAqoscw4SZP9kTE2hxiFI3jBPmXJfdqiahTbUuKGsMoN2GtqL9AxhYioAcVvgsb1HvRbA=="
+    },
+    "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"
+      }
     },
     "is-plain-object": {
       "version": "3.0.0",
@@ -333,9 +354,9 @@
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     },
     "path-parse": {
-      "version": "1.0.6",
-      "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=="
     },
     "pump": {
       "version": "3.0.0",
@@ -355,11 +376,13 @@
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     "resolve": {
-      "version": "1.17.0",
-      "resolved": "https://registry.npmjs.org/resolve/-/resolve-1.17.0.tgz",
-      "integrity": "sha512-ic+7JYiV8Vi2yzQGFWOkiZD5Z9z7O2Zhm9XMaTxdJExKasieFCr+yXZ/WmXsckHiKl12ar0y6XiXDx3m4RHn1w==",
+      "version": "1.21.0",
+      "resolved": "https://registry.npmjs.org/resolve/-/resolve-1.21.0.tgz",
+      "integrity": "sha512-3wCbTpk5WJlyE4mSOtDLhqQmGFi0/TD9VPwmiolnk8U0wRgMEktqCXd3vy5buTO3tljvalNvKrjHEfrd2WpEKA==",
       "requires": {
-        "path-parse": "^1.0.6"
+        "is-core-module": "^2.8.0",
+        "path-parse": "^1.0.7",
+        "supports-preserve-symlinks-flag": "^1.0.0"
       }
     },
     "semver": {
@@ -381,9 +404,9 @@
       "integrity": "sha1-2kL0l0DAtC2yypcoVxyxkMmO/qM="
     },
     "shelljs": {
-      "version": "0.8.4",
-      "resolved": "https://registry.npmjs.org/shelljs/-/shelljs-0.8.4.tgz",
-      "integrity": "sha512-7gk3UZ9kOfPLIAbslLzyWeGiEqx9e3rxwZM0KE6EL8GlGwjym9Mrlx5/p33bWTu9YG6vcS4MBxYZDHYr5lr8BQ==",
+      "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",
@@ -400,6 +423,11 @@
       "resolved": "https://registry.npmjs.org/strip-eof/-/strip-eof-1.0.0.tgz",
       "integrity": "sha1-u0P/VZim6wXYm1n80SnJgzE2Br8="
     },
+    "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=="
+    },
     "universal-user-agent": {
       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/universal-user-agent/-/universal-user-agent-2.1.0.tgz",
diff --git a/package.json b/package.json
index 1b4d2bf..f54793d 100644
--- a/package.json
+++ b/package.json
@@ -21,6 +21,6 @@
     "@actions/core": "^1.1.0",
     "@actions/github": "^1.1.0",
     "glob": "^7.1.6",
-    "shelljs": "^0.8.4"
+    "shelljs": "^0.8.5"
   }
 }