diff --git a/package-lock.json b/package-lock.json
index 3d1e39c84..08060a048 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -12162,6 +12162,12 @@
         "sha.js": "^2.4.8"
       }
     },
+    "picocolors": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/picocolors/-/picocolors-1.0.0.tgz",
+      "integrity": "sha512-1fygroTLlHu66zi26VoTDv8yRgm0Fccecssto+MhsZ0D/DGW2sm8E8AjW7NU5VVTRt5GxbeZ5qBuJr+HyLYkjQ==",
+      "dev": true
+    },
     "picomatch": {
       "version": "2.0.7",
       "resolved": "https://registry.npmjs.org/picomatch/-/picomatch-2.0.7.tgz",
@@ -12280,20 +12286,20 @@
       "dev": true
     },
     "postcss": {
-      "version": "8.3.6",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.3.6.tgz",
-      "integrity": "sha512-wG1cc/JhRgdqB6WHEuyLTedf3KIRuD0hG6ldkFEZNCjRxiC+3i6kkWUUbiJQayP28iwG35cEmAbe98585BYV0A==",
+      "version": "8.4.20",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.20.tgz",
+      "integrity": "sha512-6Q04AXR1212bXr5fh03u8aAwbLxAQNGQ/Q1LNa0VfOI06ZAlhPHtQvE4OIdpj4kLThXilalPnmDSOD65DcHt+g==",
       "dev": true,
       "requires": {
-        "colorette": "^1.2.2",
-        "nanoid": "^3.1.23",
-        "source-map-js": "^0.6.2"
+        "nanoid": "^3.3.4",
+        "picocolors": "^1.0.0",
+        "source-map-js": "^1.0.2"
       },
       "dependencies": {
-        "colorette": {
-          "version": "1.3.0",
-          "resolved": "https://registry.npmjs.org/colorette/-/colorette-1.3.0.tgz",
-          "integrity": "sha512-ecORCqbSFP7Wm8Y6lyqMJjexBQqXSF7SSeaTyGGphogUjBlFP9m9o08wy86HL2uB7fMTxtOUzLMk7ogKcxMg1w==",
+        "nanoid": {
+          "version": "3.3.4",
+          "resolved": "https://registry.npmjs.org/nanoid/-/nanoid-3.3.4.tgz",
+          "integrity": "sha512-MqBkQh/OHTS2egovRtLk45wEyNXwF+cokD+1YPf9u5VfJiRdAiRwB2froX5Co9Rh20xs4siNPm8naNotSD6RBw==",
           "dev": true
         }
       }
@@ -13788,9 +13794,9 @@
       "dev": true
     },
     "source-map-js": {
-      "version": "0.6.2",
-      "resolved": "https://registry.npmjs.org/source-map-js/-/source-map-js-0.6.2.tgz",
-      "integrity": "sha512-/3GptzWzu0+0MBQFrDKzw/DvvMTUORvgY6k6jd/VS6iCR4RDTKWH6v6WPwQoUO8667uQEf9Oe38DxAYWY5F/Ug==",
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/source-map-js/-/source-map-js-1.0.2.tgz",
+      "integrity": "sha512-R0XvVJ9WusLiqTCEiGCmICCMplcCkIwwR11mOSD9CR5u+IXYdiseeEuXCVAjS54zqwkLcPNnmU4OeJ6tUrWhDw==",
       "dev": true
     },
     "source-map-resolve": {
diff --git a/package.json b/package.json
index cab20ee03..9e7ba143a 100644
--- a/package.json
+++ b/package.json
@@ -44,7 +44,7 @@
     "merge-stream": "2.0.0",
     "mocha": "9.1.2",
     "mocha.parallel": "0.15.6",
-    "postcss": "8.3.6",
+    "postcss": "8.4.20",
     "sharp": "0.29.1",
     "xo": "0.30.0"
   },