diff --git a/package-lock.json b/package-lock.json
index 62110aa873..3b594e2613 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -7221,17 +7221,6 @@
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@@ -7552,9 +7541,9 @@
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+      "resolved": "https://registry.npmjs.org/bluebird/-/bluebird-3.7.2.tgz",
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@@ -19807,15 +19796,13 @@
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-      "integrity": "sha1-9yHQfTOWBftYQU6fac8FQBxU5wk=",
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-        "postcss": "^6.0.10",
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@@ -19898,15 +19885,12 @@
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-      "integrity": "sha1-DpTQFERwCkgd4g3k1V+yZAVkJQ4=",
+      "version": "4.0.2",
+      "resolved": "https://registry.npmjs.org/postcss-functions/-/postcss-functions-4.0.2.tgz",
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-        "object-assign": "^4.1.1",
-        "postcss": "^6.0.9",
-        "postcss-value-parser": "^3.3.0"
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@@ -20431,9 +20415,9 @@
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-      "integrity": "sha512-pISE66AbVkp4fDQ7VHBwRNXzAAKJjw4Vw7nWI/+Q3vuly7SNfgYXvm6i5IgFylHGK5sP/xHAbB7N49OS4gWNyQ==",
+      "version": "4.1.0",
+      "resolved": "https://registry.npmjs.org/postcss-value-parser/-/postcss-value-parser-4.1.0.tgz",
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@@ -24828,6 +24812,81 @@
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+        "postcss-assets": {
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+          "resolved": "https://registry.npmjs.org/postcss-assets/-/postcss-assets-5.0.0.tgz",
+          "integrity": "sha1-9yHQfTOWBftYQU6fac8FQBxU5wk=",
+          "dev": true,
+          "requires": {
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+            "bluebird": "^3.5.0",
+            "postcss": "^6.0.10",
+            "postcss-functions": "^3.0.0"
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+              "dev": true,
+              "requires": {
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+              }
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+            "chalk": {
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+              "resolved": "https://registry.npmjs.org/chalk/-/chalk-2.4.2.tgz",
+              "integrity": "sha512-Mti+f9lpJNcwF4tWV8/OrTTtF1gZi+f8FqlyAdouralcFWFQWF2+NgCHShjkCb+IFBLq9buZwE1xckQU4peSuQ==",
+              "dev": true,
+              "requires": {
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+                "escape-string-regexp": "^1.0.5",
+                "supports-color": "^5.3.0"
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+            "color-convert": {
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+              "resolved": "https://registry.npmjs.org/color-convert/-/color-convert-1.9.3.tgz",
+              "integrity": "sha512-QfAUtd+vFdAtFQcC8CCyYt1fYWxSqAiK2cSD6zDB8N3cpsEBAvRxp9zOGg6G/SHHJYAT88/az/IuDGALsNVbGg==",
+              "dev": true,
+              "requires": {
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+            "color-name": {
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+              "resolved": "https://registry.npmjs.org/color-name/-/color-name-1.1.3.tgz",
+              "integrity": "sha1-p9BVi9icQveV3UIyj3QIMcpTvCU=",
+              "dev": true
+            },
+            "has-flag": {
+              "version": "3.0.0",
+              "resolved": "https://registry.npmjs.org/has-flag/-/has-flag-3.0.0.tgz",
+              "integrity": "sha1-tdRU3CGZriJWmfNGfloH87lVuv0=",
+              "dev": true
+            },
+            "postcss": {
+              "version": "6.0.23",
+              "resolved": "https://registry.npmjs.org/postcss/-/postcss-6.0.23.tgz",
+              "integrity": "sha512-soOk1h6J3VMTZtVeVpv15/Hpdl2cBLX3CAw4TAbkpTJiNPk9YP/zWcD1ND+xEtvyuuvKzbxliTOIyvkSeSJ6ag==",
+              "dev": true,
+              "requires": {
+                "chalk": "^2.4.1",
+                "source-map": "^0.6.1",
+                "supports-color": "^5.4.0"
+              }
+            },
+            "supports-color": {
+              "version": "5.5.0",
+              "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-5.5.0.tgz",
+              "integrity": "sha512-QjVjwdXIt408MIiAqCX4oUKsgU2EqAGzs2Ppkm4aQYbjm+ZEWEcW4SfFNTr4uMNZma0ey4f5lgLrkB0aX0QMow==",
+              "dev": true,
+              "requires": {
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+              }
+            }
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           "resolved": "https://registry.npmjs.org/postcss-calc/-/postcss-calc-7.0.5.tgz",
@@ -24914,6 +24973,87 @@
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+        "postcss-functions": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/postcss-functions/-/postcss-functions-3.0.0.tgz",
+          "integrity": "sha1-DpTQFERwCkgd4g3k1V+yZAVkJQ4=",
+          "dev": true,
+          "requires": {
+            "glob": "^7.1.2",
+            "object-assign": "^4.1.1",
+            "postcss": "^6.0.9",
+            "postcss-value-parser": "^3.3.0"
+          },
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+              "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-3.2.1.tgz",
+              "integrity": "sha512-VT0ZI6kZRdTh8YyJw3SMbYm/u+NqfsAxEpWO0Pf9sq8/e94WxxOpPKx9FR1FlyCtOVDNOQ+8ntlqFxiRc+r5qA==",
+              "dev": true,
+              "requires": {
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+              }
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+            "chalk": {
+              "version": "2.4.2",
+              "resolved": "https://registry.npmjs.org/chalk/-/chalk-2.4.2.tgz",
+              "integrity": "sha512-Mti+f9lpJNcwF4tWV8/OrTTtF1gZi+f8FqlyAdouralcFWFQWF2+NgCHShjkCb+IFBLq9buZwE1xckQU4peSuQ==",
+              "dev": true,
+              "requires": {
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+                "escape-string-regexp": "^1.0.5",
+                "supports-color": "^5.3.0"
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+            "color-convert": {
+              "version": "1.9.3",
+              "resolved": "https://registry.npmjs.org/color-convert/-/color-convert-1.9.3.tgz",
+              "integrity": "sha512-QfAUtd+vFdAtFQcC8CCyYt1fYWxSqAiK2cSD6zDB8N3cpsEBAvRxp9zOGg6G/SHHJYAT88/az/IuDGALsNVbGg==",
+              "dev": true,
+              "requires": {
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+              }
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+            "color-name": {
+              "version": "1.1.3",
+              "resolved": "https://registry.npmjs.org/color-name/-/color-name-1.1.3.tgz",
+              "integrity": "sha1-p9BVi9icQveV3UIyj3QIMcpTvCU=",
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+              "resolved": "https://registry.npmjs.org/has-flag/-/has-flag-3.0.0.tgz",
+              "integrity": "sha1-tdRU3CGZriJWmfNGfloH87lVuv0=",
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+              "resolved": "https://registry.npmjs.org/postcss/-/postcss-6.0.23.tgz",
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+              "dev": true,
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+                "source-map": "^0.6.1",
+                "supports-color": "^5.4.0"
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+              "resolved": "https://registry.npmjs.org/postcss-value-parser/-/postcss-value-parser-3.3.1.tgz",
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+            },
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+              "version": "5.5.0",
+              "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-5.5.0.tgz",
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diff --git a/package.json b/package.json
index 3f30df69d8..98b47a15fc 100644
--- a/package.json
+++ b/package.json
@@ -102,7 +102,7 @@
     "moment": "2.29.1",
     "nyc": "15.1.0",
     "opencollective": "1.0.3",
-    "postcss-assets": "5.0.0",
+    "postcss-assets": "6.0.0",
     "prettier": "2.4.1",
     "propagating-hammerjs": "2.0.1",
     "rimraf": "3.0.2",