diff --git a/package.json b/package.json
index a85ee4907..e97e33f6d 100644
--- a/package.json
+++ b/package.json
@@ -48,7 +48,7 @@
     "jest-environment-jsdom-global": "^4.0.0",
     "jest-junit": "12.2.0",
     "lerna": "^7.4.2",
-    "postcss": "8.5.10",
+    "postcss": "8.5.18",
     "postcss-cli": "8.3.1",
     "postcss-import": "16.1.0",
     "postcss-loader": "8.1.1",
diff --git a/yarn.lock b/yarn.lock
index f136d9645..1e62fd80e 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -17043,10 +17043,10 @@ nano-time@1.0.0:
   dependencies:
     big-integer "^1.6.16"
 
-nanoid@^3.1.32, nanoid@^3.3.11:
-  version "3.3.12"
-  resolved "https://registry.yarnpkg.com/nanoid/-/nanoid-3.3.12.tgz#ab3d912e217a6d0a514f00a72a16543a28982c05"
-  integrity sha512-ZB9RH/39qpq5Vu6Y+NmUaFhQR6pp+M2Xt76XBnEwDaGcVAqhlvxrl3B2bKS5D3NH3QR76v3aSrKaF/Kiy7lEtQ==
+nanoid@^3.1.32, nanoid@^3.3.12:
+  version "3.3.16"
+  resolved "https://registry.yarnpkg.com/nanoid/-/nanoid-3.3.16.tgz#a04d8ec4b1f10009d2d533947aefe4293737816c"
+  integrity sha512-bzlKTyNJ7+LdGIIwy8ijFpIqEQIvafahV7eYykJ8Cvh42EdJeODoJ6gUJXpQJvej1BddH8OqTXZNE/KfbWAu8Q==
 
 natural-compare@^1.4.0:
   version "1.4.0"
@@ -18752,12 +18752,12 @@ postcss-value-parser@^4.0.0, postcss-value-parser@^4.0.2, postcss-value-parser@^
   resolved "https://registry.npmjs.org/postcss-value-parser/-/postcss-value-parser-4.2.0.tgz"
   integrity sha512-1NNCs6uurfkVbeXG4S8JFT9t19m45ICnif8zWLd5oPSZ50QnwMfK+H3jv408d4jw/7Bttv5axS5IiHoLaVNHeQ==
 
-postcss@8.5.10, postcss@^8.2.14, postcss@^8.4.21, postcss@^8.4.7:
-  version "8.5.10"
-  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.5.10.tgz#8992d8c30acf3f12169e7c09514a12fed7e48356"
-  integrity sha512-pMMHxBOZKFU6HgAZ4eyGnwXF/EvPGGqUr0MnZ5+99485wwW41kW91A4LOGxSHhgugZmSChL5AlElNdwlNgcnLQ==
+postcss@8.5.18, postcss@^8.2.14, postcss@^8.4.21, postcss@^8.4.7:
+  version "8.5.18"
+  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.5.18.tgz#8717e5a33a3b15fe8a538d2431a1e1bbbfb07614"
+  integrity sha512-xdB1oSLHbz1vRWgCDalrCqEFTWzFlhqFC5tIHLMOSUIjhm3XXQ1qrFy8S/ESr1JYRRXqM3c1QFiMZUJdUTqyMQ==
   dependencies:
-    nanoid "^3.3.11"
+    nanoid "^3.3.12"
     picocolors "^1.1.1"
     source-map-js "^1.2.1"