diff --git a/package-lock.json b/package-lock.json
index baf943d..ba269f1 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1075,12 +1075,75 @@
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+      "requires": {
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+        "@types/minimatch": "*",
+        "@types/node": "*"
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+      "resolved": "https://registry.npmjs.org/@types/minimatch/-/minimatch-3.0.3.tgz",
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+      "resolved": "https://registry.npmjs.org/@types/node/-/node-13.1.4.tgz",
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@@ -2366,15 +2429,37 @@
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+      "resolved": "https://registry.npmjs.org/cosmiconfig/-/cosmiconfig-5.2.1.tgz",
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-        "js-yaml": "^3.9.0",
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+          "resolved": "https://registry.npmjs.org/import-fresh/-/import-fresh-2.0.0.tgz",
+          "integrity": "sha1-2BNVwVYS04bGH53dOSLUMEgipUY=",
+          "dev": true,
+          "requires": {
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+          "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-3.13.1.tgz",
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@@ -2924,9 +3009,9 @@
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@@ -4192,6 +4277,15 @@
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+      "resolved": "https://registry.npmjs.org/fastq/-/fastq-1.6.0.tgz",
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+      "dev": true,
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@@ -4370,7 +4464,8 @@
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-          "dev": true
+          "dev": true,
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@@ -4785,7 +4880,8 @@
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@@ -4841,6 +4937,7 @@
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@@ -4884,12 +4981,14 @@
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-          "dev": true
+          "dev": true,
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@@ -8226,6 +8325,12 @@
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@@ -8397,64 +8502,538 @@
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-        "chokidar": "^2.0.0",
+        "chalk": "^3.0.0",
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-        "get-stdin": "^6.0.0",
-        "globby": "^8.0.0",
+        "fs-extra": "^8.1.0",
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@@ -9527,6 +10106,12 @@
         "is-promise": "^2.1.0"
       }
     },
+    "run-parallel": {
+      "version": "1.1.9",
+      "resolved": "https://registry.npmjs.org/run-parallel/-/run-parallel-1.1.9.tgz",
+      "integrity": "sha512-DEqnSRTDw/Tc3FXf49zedI638Z9onwUotBMiUFKmrO2sdFKIbXamXGQ3Axd4qgphxKB4kw/qP1w5kTxnfU1B9Q==",
+      "dev": true
+    },
     "rxjs": {
       "version": "6.3.3",
       "resolved": "https://registry.npmjs.org/rxjs/-/rxjs-6.3.3.tgz",
diff --git a/package.json b/package.json
index 6f141fa..e4c67ed 100644
--- a/package.json
+++ b/package.json
@@ -66,7 +66,7 @@
     "mkdirp": "^0.5.1",
     "nyc": "^13.1.0",
     "postcss-at-rules-variables": "^0.1.6",
-    "postcss-cli": "^6.1.1",
+    "postcss-cli": "^7.0.0",
     "postcss-custom-properties": "7.0.0",
     "postcss-discard-comments": "^4.0.1",
     "postcss-each": "^0.10.0",