diff --git a/package-lock.json b/package-lock.json
index 188af99..13da6f2 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -286,9 +286,9 @@
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@@ -1513,9 +1505,9 @@
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-            "resolved": "https://registry.npmjs.org/electron-to-chromium/-/electron-to-chromium-1.3.265.tgz",
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+            "resolved": "https://registry.npmjs.org/electron-to-chromium/-/electron-to-chromium-1.3.266.tgz",
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@@ -3609,9 +3601,9 @@
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+            "resolved": "https://registry.npmjs.org/known-css-properties/-/known-css-properties-0.15.0.tgz",
+            "integrity": "sha512-TS0RCcQfHYsA+59uIHhnsA71NBkpILbqi0W+hde4R5FtESdzur0tCJFoko/1Pbhx+8rmdUc0R1VE4ixnnD+9xw==",
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@@ -4659,13 +4651,13 @@
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-            "resolved": "https://registry.npmjs.org/postcss-sass/-/postcss-sass-0.3.5.tgz",
-            "integrity": "sha512-B5z2Kob4xBxFjcufFnhQ2HqJQ2y/Zs/ic5EZbCywCkxKd756Q40cIQ/veRDwSrw1BF6+4wUgmpm0sBASqVi65A==",
+            "version": "0.4.1",
+            "resolved": "https://registry.npmjs.org/postcss-sass/-/postcss-sass-0.4.1.tgz",
+            "integrity": "sha512-YDdykeDHylqiD2CdXuP7K1aDz7hCflGVB6H6lqabWVab5mVOWhguUuWZYpFU22/E12AEGiMlOfZnLqr343zhVA==",
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-                "gonzales-pe": "^4.2.3",
-                "postcss": "^7.0.1"
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@@ -4695,9 +4687,9 @@
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-            "resolved": "https://registry.npmjs.org/postcss-value-parser/-/postcss-value-parser-3.3.1.tgz",
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+            "resolved": "https://registry.npmjs.org/postcss-value-parser/-/postcss-value-parser-4.0.2.tgz",
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@@ -5519,9 +5511,9 @@
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-            "resolved": "https://registry.npmjs.org/stylelint/-/stylelint-10.1.0.tgz",
-            "integrity": "sha512-OmlUXrgzEMLQYj1JPTpyZPR9G4bl0StidfHnGJEMpdiQ0JyTq0MPg1xkHk1/xVJ2rTPESyJCDWjG8Kbpoo7Kuw==",
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+            "resolved": "https://registry.npmjs.org/stylelint/-/stylelint-11.0.0.tgz",
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@@ -5539,29 +5531,28 @@
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-                "known-css-properties": "^0.14.0",
+                "known-css-properties": "^0.15.0",
                 "leven": "^3.1.0",
-                "lodash": "^4.17.11",
+                "lodash": "^4.17.14",
                 "log-symbols": "^3.0.0",
                 "mathml-tag-names": "^2.1.0",
                 "meow": "^5.0.0",
                 "micromatch": "^4.0.0",
                 "normalize-selector": "^0.2.0",
-                "pify": "^4.0.1",
                 "postcss": "^7.0.14",
                 "postcss-html": "^0.36.0",
-                "postcss-jsx": "^0.36.1",
+                "postcss-jsx": "^0.36.3",
                 "postcss-less": "^3.1.4",
                 "postcss-markdown": "^0.36.0",
                 "postcss-media-query-parser": "^0.2.3",
                 "postcss-reporter": "^6.0.1",
                 "postcss-resolve-nested-selector": "^0.1.1",
                 "postcss-safe-parser": "^4.0.1",
-                "postcss-sass": "^0.3.5",
+                "postcss-sass": "^0.4.1",
                 "postcss-scss": "^2.0.0",
                 "postcss-selector-parser": "^3.1.0",
                 "postcss-syntax": "^0.36.2",
-                "postcss-value-parser": "^3.3.1",
+                "postcss-value-parser": "^4.0.2",
                 "resolve-from": "^5.0.0",
                 "signal-exit": "^3.0.2",
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@@ -5571,7 +5562,8 @@
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                 "sugarss": "^2.0.0",
                 "svg-tags": "^1.0.0",
-                "table": "^5.2.3"
+                "table": "^5.2.3",
+                "v8-compile-cache": "^2.1.0"
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@@ -5667,12 +5659,6 @@
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                     "dev": true
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-                "pify": {
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-                    "resolved": "https://registry.npmjs.org/pify/-/pify-4.0.1.tgz",
-                    "integrity": "sha512-uB80kBFb/tfd68bVleG9T5GGsGPjJrLAUpR5PZIrhBnIaRTQRjqdJSsIKkOP6OAIFbj7GOrcudc5pNjZ+geV2g==",
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diff --git a/package.json b/package.json
index dddad4b..cc0e278 100644
--- a/package.json
+++ b/package.json
@@ -12,7 +12,7 @@
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         "gulp-eslint": "^6.0.0",
         "gulp-stylelint": "^9.0.0",
-        "stylelint": "^10.0.1"
+        "stylelint": "^11.0.0"
     },
     "dependencies": {
         "bootstrap": "^3.4.1",