diff --git a/tests/package-lock.json b/tests/package-lock.json
index 6e45591..898901c 100644
--- a/tests/package-lock.json
+++ b/tests/package-lock.json
@@ -281,6 +281,11 @@
       "resolved": "https://registry.npmjs.org/fs.realpath/-/fs.realpath-1.0.0.tgz",
       "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=="
+    },
     "generate-password": {
       "version": "1.4.1",
       "resolved": "https://registry.npmjs.org/generate-password/-/generate-password-1.4.1.tgz",
@@ -326,6 +331,14 @@
         "har-schema": "^2.0.0"
       }
     },
+    "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"
+      }
+    },
     "http": {
       "version": "0.0.0",
       "resolved": "https://registry.npmjs.org/http/-/http-0.0.0.tgz",
@@ -366,9 +379,17 @@
       "integrity": "sha1-Yzwsg+PaQqUC9SRmAiSA9CCCYd4="
     },
     "interpret": {
-      "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=="
+    },
+    "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-typedarray": {
       "version": "1.0.0",
@@ -662,11 +683,13 @@
       }
     },
     "resolve": {
-      "version": "1.5.0",
-      "resolved": "https://registry.npmjs.org/resolve/-/resolve-1.5.0.tgz",
-      "integrity": "sha512-hgoSGrc3pjzAPHNBg+KnFcK2HwlHTs/YrAGUr6qgTVUZmXv1UEXXl0bZNBKMA9fud6lRYFdPGz0xXxycPzmmiw==",
+      "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"
       }
     },
     "revalidator": {
@@ -698,9 +721,9 @@
       "integrity": "sha1-e45lYZCyKOgaZq6nSEgNgozS03o="
     },
     "shelljs": {
-      "version": "0.8.1",
-      "resolved": "https://registry.npmjs.org/shelljs/-/shelljs-0.8.1.tgz",
-      "integrity": "sha512-YA/iYtZpzFe5HyWVGrb02FjPxc4EMCfpoU/Phg9fQoyMC72u9598OUBrsU8IrtwAKG0tO8IYaqbaLIw+k3IRGA==",
+      "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",
@@ -733,6 +756,11 @@
       "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-0.10.31.tgz",
       "integrity": "sha1-YuIDvEF2bGwoyfyEMB2rHFMQ+pQ="
     },
+    "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=="
+    },
     "touch": {
       "version": "0.0.3",
       "resolved": "https://registry.npmjs.org/touch/-/touch-0.0.3.tgz",
diff --git a/tests/package.json b/tests/package.json
index 7fad6b6..334c83e 100644
--- a/tests/package.json
+++ b/tests/package.json
@@ -18,6 +18,6 @@
     "opn": "^5.2.0",
     "prompt": "^1.0.0",
     "querystring": "^0.2.0",
-    "shelljs": "^0.8.1"
+    "shelljs": "^0.8.5"
   }
 }