diff --git a/package-lock.json b/package-lock.json
index 74f942543c..f80bf8737f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -9559,6 +9559,11 @@
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       "resolved": "https://registry.npmjs.org/natural-compare/-/natural-compare-1.4.0.tgz",
@@ -10847,46 +10852,13 @@
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-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-6.0.23.tgz",
-      "integrity": "sha512-soOk1h6J3VMTZtVeVpv15/Hpdl2cBLX3CAw4TAbkpTJiNPk9YP/zWcD1ND+xEtvyuuvKzbxliTOIyvkSeSJ6ag==",
+      "version": "8.2.13",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.2.13.tgz",
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-        "chalk": "^2.4.1",
-        "source-map": "^0.6.1",
-        "supports-color": "^5.4.0"
-      },
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-          "version": "3.2.1",
-          "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-3.2.1.tgz",
-          "integrity": "sha512-VT0ZI6kZRdTh8YyJw3SMbYm/u+NqfsAxEpWO0Pf9sq8/e94WxxOpPKx9FR1FlyCtOVDNOQ+8ntlqFxiRc+r5qA==",
-          "requires": {
-            "color-convert": "^1.9.0"
-          }
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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==",
-          "requires": {
-            "ansi-styles": "^3.2.1",
-            "escape-string-regexp": "^1.0.5",
-            "supports-color": "^5.3.0"
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-        "source-map": {
-          "version": "0.6.1",
-          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
-          "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g=="
-        },
-        "supports-color": {
-          "version": "5.5.0",
-          "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-5.5.0.tgz",
-          "integrity": "sha512-QjVjwdXIt408MIiAqCX4oUKsgU2EqAGzs2Ppkm4aQYbjm+ZEWEcW4SfFNTr4uMNZma0ey4f5lgLrkB0aX0QMow==",
-          "requires": {
-            "has-flag": "^3.0.0"
-          }
-        }
+        "colorette": "^1.2.2",
+        "nanoid": "^3.1.22",
+        "source-map": "^0.6.1"
       }
     },
     "postcss-value-parser": {
@@ -12262,6 +12234,11 @@
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       }
     },
+    "source-map": {
+      "version": "0.6.1",
+      "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
+      "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g=="
+    },
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       "resolved": "https://registry.npmjs.org/source-map-js/-/source-map-js-1.0.1.tgz",
diff --git a/package.json b/package.json
index 228bf89e7a..e0502b0b27 100644
--- a/package.json
+++ b/package.json
@@ -41,7 +41,7 @@
     "lunr": "^2.3.6",
     "metalsmith-postcss": "^4.2.0",
     "modernizr": "^3.7.1",
-    "postcss": "^6.0.23",
+    "postcss": "^8.2.13",
     "sass-export": "^2.1.0",
     "serve-static": "^1.13.2",
     "slugger": "^1.0.1"