diff --git a/npm-shrinkwrap.json b/npm-shrinkwrap.json
index f02bea2..c805210 100644
--- a/npm-shrinkwrap.json
+++ b/npm-shrinkwrap.json
@@ -1772,6 +1772,13 @@
         "p-map": "^4.0.0",
         "rimraf": "^3.0.2",
         "slash": "^3.0.0"
+      },
+      "dependencies": {
+        "graceful-fs": {
+          "version": "4.2.6",
+          "resolved": "https://registry.npmjs.org/graceful-fs/-/graceful-fs-4.2.6.tgz",
+          "integrity": "sha512-nTnJ528pbqxYanhpDYsi4Rd8MAeaBA67+RZ10CM1m3bTAVFEDcd5AuA4a6W5YkGZ1iNXHzZz8T6TBKLeBuNriQ=="
+        }
       }
     },
     "delayed-stream": {
@@ -3060,6 +3067,11 @@
             "minimatch": "~0.2.11"
           }
         },
+        "graceful-fs": {
+          "version": "1.2.3",
+          "resolved": "https://registry.npmjs.org/graceful-fs/-/graceful-fs-1.2.3.tgz",
+          "integrity": "sha1-FaSAaldUfLLS2/J/QuiajDRRs2Q="
+        },
         "inherits": {
           "version": "1.0.2",
           "resolved": "https://registry.npmjs.org/inherits/-/inherits-1.0.2.tgz",
@@ -5219,6 +5231,11 @@
         "to-regex": "^3.0.1"
       }
     },
+    "natives": {
+      "version": "1.1.6",
+      "resolved": "https://registry.npmjs.org/natives/-/natives-1.1.6.tgz",
+      "integrity": "sha512-6+TDFewD4yxY14ptjKaS63GVdtKiES1pTPyxn9Jb0rBqPMZ7VcCiooEhPNsr+mqHtMGxa/5c/HhcC4uPEUw/nA=="
+    },
     "neo-async": {
       "version": "2.6.2",
       "resolved": "https://registry.npmjs.org/neo-async/-/neo-async-2.6.2.tgz",
@@ -5917,9 +5934,9 @@
       "integrity": "sha1-AerA/jta9xoqbAL+q7jB/vfgDqs="
     },
     "postcss": {
-      "version": "7.0.35",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-7.0.35.tgz",
-      "integrity": "sha512-3QT8bBJeX/S5zKTTjTCIjRF3If4avAT6kqxcASlTWEtAFCb9NH0OUxNDfgZSWdP5fJnBYCMEWkIFfWeugjzYMg==",
+      "version": "7.0.36",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-7.0.36.tgz",
+      "integrity": "sha512-BebJSIUMwJHRH0HAQoxN4u1CN86glsrwsW0q7T+/m44eXOUAxSNdHRkNZPYz5vVUbg17hFgOQDE7fZk7li3pZw==",
       "requires": {
         "chalk": "^2.4.2",
         "source-map": "^0.6.1",
@@ -7444,6 +7461,14 @@
           "resolved": "https://registry.npmjs.org/clone/-/clone-0.2.0.tgz",
           "integrity": "sha1-xhJqkK1Pctv1rNskPMN3JP6T/B8="
         },
+        "graceful-fs": {
+          "version": "3.0.12",
+          "resolved": "https://registry.npmjs.org/graceful-fs/-/graceful-fs-3.0.12.tgz",
+          "integrity": "sha512-J55gaCS4iTTJfTXIxSVw3EMQckcqkpdRv3IR7gu6sq0+tbC363Zx6KH/SEwXASK9JRbhyZmVjJEVJIOxYsB3Qg==",
+          "requires": {
+            "natives": "^1.1.3"
+          }
+        },
         "readable-stream": {
           "version": "1.0.34",
           "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-1.0.34.tgz",
diff --git a/package-lock.json b/package-lock.json
index b2bd84a..77d2e8e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -5563,9 +5563,9 @@
       "integrity": "sha1-AerA/jta9xoqbAL+q7jB/vfgDqs="
     },
     "postcss": {
-      "version": "7.0.35",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-7.0.35.tgz",
-      "integrity": "sha512-3QT8bBJeX/S5zKTTjTCIjRF3If4avAT6kqxcASlTWEtAFCb9NH0OUxNDfgZSWdP5fJnBYCMEWkIFfWeugjzYMg==",
+      "version": "7.0.36",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-7.0.36.tgz",
+      "integrity": "sha512-BebJSIUMwJHRH0HAQoxN4u1CN86glsrwsW0q7T+/m44eXOUAxSNdHRkNZPYz5vVUbg17hFgOQDE7fZk7li3pZw==",
       "requires": {
         "chalk": "^2.4.2",
         "source-map": "^0.6.1",