diff --git a/package-lock.json b/package-lock.json
index 1e1e4b0..2b9fd88 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1917,7 +1917,8 @@
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/console-control-strings/-/console-control-strings-1.1.0.tgz",
       "integrity": "sha1-PXz0Rk22RG6mRL9LOVB/mFEAjo4=",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "constants-browserify": {
       "version": "1.0.0",
@@ -4162,6 +4163,7 @@
       "resolved": "https://registry.npmjs.org/minipass/-/minipass-2.3.5.tgz",
       "integrity": "sha512-Gi1W4k059gyRbyVUZQ4mEqLm0YIUiGYfvxhF6SIlk3ui1WVxMTGfGdQ2SInh3PDrRTVvPKgULkpJtT4RH10+VA==",
       "dev": true,
+      "optional": true,
       "requires": {
         "safe-buffer": "^5.1.2",
         "yallist": "^3.0.0"
@@ -4893,9 +4895,9 @@
       "dev": true
     },
     "postcss": {
-      "version": "7.0.13",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-7.0.13.tgz",
-      "integrity": "sha512-h8SY6kQTd1wISHWjz+E6cswdhMuyBZRb16pSTv3W4zYZ3/YbyWeJdNUeOXB5IdZqE1U76OUEjjjqsC3z2f3hVg==",
+      "version": "7.0.36",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-7.0.36.tgz",
+      "integrity": "sha512-BebJSIUMwJHRH0HAQoxN4u1CN86glsrwsW0q7T+/m44eXOUAxSNdHRkNZPYz5vVUbg17hFgOQDE7fZk7li3pZw==",
       "dev": true,
       "requires": {
         "chalk": "^2.4.2",