diff --git a/package-lock.json b/package-lock.json
index e74c584..14b1492 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -4426,14 +4426,6 @@
         "pify": "^3.0.0"
       }
     },
-    "map-age-cleaner": {
-      "version": "0.1.3",
-      "resolved": "https://registry.npmjs.org/map-age-cleaner/-/map-age-cleaner-0.1.3.tgz",
-      "integrity": "sha512-bJzx6nMoP6PDLPBFmg7+xRKeFZvFboMrGlxmNj9ClvX53KrmvM5bXFXEWjbz4cz1AFn+jWJ9z/DJSz7hrs0w3w==",
-      "requires": {
-        "p-defer": "^1.0.0"
-      }
-    },
     "map-cache": {
       "version": "0.2.2",
       "resolved": "https://registry.npmjs.org/map-cache/-/map-cache-0.2.2.tgz",
@@ -4462,6 +4454,14 @@
         "safe-buffer": "^5.1.2"
       }
     },
+    "mem": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/mem/-/mem-1.1.0.tgz",
+      "integrity": "sha1-Xt1StIXKHZAP5kiVUFOZoN+kX3Y=",
+      "requires": {
+        "mimic-fn": "^1.0.0"
+      }
+    },
     "memory-fs": {
       "version": "0.4.1",
       "resolved": "https://registry.npmjs.org/memory-fs/-/memory-fs-0.4.1.tgz",
@@ -5032,21 +5032,11 @@
         "os-tmpdir": "^1.0.0"
       }
     },
-    "p-defer": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/p-defer/-/p-defer-1.0.0.tgz",
-      "integrity": "sha1-n26xgvbJqozXQwBKfU+WsZaw+ww="
-    },
     "p-finally": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/p-finally/-/p-finally-1.0.0.tgz",
       "integrity": "sha1-P7z7FbiZpEEjs0ttzBi3JDNqLK4="
     },
-    "p-is-promise": {
-      "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/p-is-promise/-/p-is-promise-1.1.0.tgz",
-      "integrity": "sha1-nJRWmJ6fZYgBewQ01WCXZ1w9oF4="
-    },
     "p-limit": {
       "version": "1.3.0",
       "resolved": "https://registry.npmjs.org/p-limit/-/p-limit-1.3.0.tgz",
@@ -5909,9 +5899,9 @@
       "integrity": "sha1-2kL0l0DAtC2yypcoVxyxkMmO/qM="
     },
     "shelljs": {
-      "version": "0.8.3",
-      "resolved": "https://registry.npmjs.org/shelljs/-/shelljs-0.8.3.tgz",
-      "integrity": "sha512-fc0BKlAWiLpwZljmOvAOTE/gXawtCoNrP5oaY7KIaQbbyHeQVg01pSEuEGvGh3HEdBU4baCD7wQBwADmM/7f7A==",
+      "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",
@@ -6882,18 +6872,6 @@
             "execa": "^0.7.0",
             "lcid": "^1.0.0",
             "mem": "^1.1.0"
-          },
-          "dependencies": {
-            "mem": {
-              "version": "4.0.0",
-              "resolved": "https://registry.npmjs.org/mem/-/mem-4.0.0.tgz",
-              "integrity": "sha512-WQxG/5xYc3tMbYLXoXPm81ET2WDULiU5FxbuIoNbJqLOOI8zehXFdZuiUEgfdrU2mVB1pxBZUGlYORSrpuJreA==",
-              "requires": {
-                "map-age-cleaner": "^0.1.1",
-                "mimic-fn": "^1.0.0",
-                "p-is-promise": "^1.1.0"
-              }
-            }
           }
         },
         "path-type": {