diff --git a/packages/website/package.json b/packages/website/package.json
index 5a04c70a..c8b77db7 100644
--- a/packages/website/package.json
+++ b/packages/website/package.json
@@ -48,7 +48,7 @@
     "path-browserify": "^1.0.1",
     "polished": "^4.1.3",
     "popmotion": "^11.0.0",
-    "postcss": "^8.3.11",
+    "postcss": "^8.4.5",
     "preact-svg-loader": "^0.2.1",
     "prop-types": "^15.7.2",
     "react": "^17.0.2",
diff --git a/packages/website/yarn.lock b/packages/website/yarn.lock
index 5c99e66a..e8adaf5e 100644
--- a/packages/website/yarn.lock
+++ b/packages/website/yarn.lock
@@ -10641,14 +10641,14 @@ postcss@^7.0.27:
     nanocolors "^0.2.2"
     source-map "^0.6.1"
 
-postcss@^8.1.6, postcss@^8.2.1, postcss@^8.2.15, postcss@^8.2.9, postcss@^8.3.11, postcss@^8.3.5:
-  version "8.3.11"
-  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.3.11.tgz#c3beca7ea811cd5e1c4a3ec6d2e7599ef1f8f858"
-  integrity sha512-hCmlUAIlUiav8Xdqw3Io4LcpA1DOt7h3LSTAC4G6JGHFFaWzI6qvFt9oilvl8BmkbBRX1IhM90ZAmpk68zccQA==
+postcss@^8.1.6, postcss@^8.2.1, postcss@^8.2.15, postcss@^8.2.9, postcss@^8.3.5, postcss@^8.4.5:
+  version "8.4.5"
+  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.4.5.tgz#bae665764dfd4c6fcc24dc0fdf7e7aa00cc77f95"
+  integrity sha512-jBDboWM8qpaqwkMwItqTQTiFikhs/67OYVvblFFTM7MrZjt6yMKd6r2kgXizEbTTljacm4NldIlZnhbjr84QYg==
   dependencies:
     nanoid "^3.1.30"
     picocolors "^1.0.0"
-    source-map-js "^0.6.2"
+    source-map-js "^1.0.1"
 
 potrace@^2.1.8:
   version "2.1.8"
@@ -12194,10 +12194,10 @@ source-list-map@^2.0.0:
   resolved "https://registry.yarnpkg.com/source-list-map/-/source-list-map-2.0.1.tgz#3993bd873bfc48479cca9ea3a547835c7c154b34"
   integrity sha512-qnQ7gVMxGNxsiL4lEuJwe/To8UnK7fAnmbGEEH8RpLouuKbeEm0lhbQVFIrNSuB+G7tVrAlVsZgETT5nljf+Iw==
 
-source-map-js@^0.6.2:
-  version "0.6.2"
-  resolved "https://registry.yarnpkg.com/source-map-js/-/source-map-js-0.6.2.tgz#0bb5de631b41cfbda6cfba8bd05a80efdfd2385e"
-  integrity sha512-/3GptzWzu0+0MBQFrDKzw/DvvMTUORvgY6k6jd/VS6iCR4RDTKWH6v6WPwQoUO8667uQEf9Oe38DxAYWY5F/Ug==
+source-map-js@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/source-map-js/-/source-map-js-1.0.1.tgz#a1741c131e3c77d048252adfa24e23b908670caf"
+  integrity sha512-4+TN2b3tqOCd/kaGRJ/sTYA0tR0mdXx26ipdolxcwtJVqEnqNYvlCAt1q3ypy4QMlYus+Zh34RNtYLoq2oQ4IA==
 
 source-map-resolve@^0.5.0:
   version "0.5.3"