diff --git a/sites/dev/package.json b/sites/dev/package.json
index b0ea41470e2..2b001e90198 100644
--- a/sites/dev/package.json
+++ b/sites/dev/package.json
@@ -63,7 +63,7 @@
     "autoprefixer": "10.4.15",
     "eslint-config-next": "13.4.19",
     "js-yaml": "4.1.0",
-    "postcss": "8.4.28",
+    "postcss": "8.4.29",
     "playwright": "^1.32.3",
     "remark-extract-frontmatter": "3.2.0",
     "remark-mdx-frontmatter": "3.0.0",
diff --git a/sites/lab/package.json b/sites/lab/package.json
index 2904b4067bc..aba261ab3f4 100644
--- a/sites/lab/package.json
+++ b/sites/lab/package.json
@@ -67,7 +67,7 @@
     "autoprefixer": "10.4.15",
     "eslint-config-next": "13.4.19",
     "js-yaml": "4.1.0",
-    "postcss": "8.4.28",
+    "postcss": "8.4.29",
     "playwright": "^1.32.3",
     "remark-extract-frontmatter": "3.2.0",
     "remark-mdx-frontmatter": "3.0.0",
diff --git a/sites/org/package.json b/sites/org/package.json
index 172c3414e5d..ef68209bd16 100644
--- a/sites/org/package.json
+++ b/sites/org/package.json
@@ -70,7 +70,7 @@
     "autoprefixer": "10.4.15",
     "eslint-config-next": "13.4.19",
     "js-yaml": "4.1.0",
-    "postcss": "8.4.28",
+    "postcss": "8.4.29",
     "playwright": "^1.32.3",
     "remark-extract-frontmatter": "3.2.0",
     "remark-mdx-frontmatter": "3.0.0",
diff --git a/yarn.lock b/yarn.lock
index c663b2509a9..e8e947d57e3 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -11638,10 +11638,10 @@ postcss@8.4.14:
     picocolors "^1.0.0"
     source-map-js "^1.0.2"
 
-postcss@8.4.28, postcss@^8, postcss@^8.4.23, postcss@^8.4.5:
-  version "8.4.28"
-  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.4.28.tgz#c6cc681ed00109072816e1557f889ef51cf950a5"
-  integrity sha512-Z7V5j0cq8oEKyejIKfpD8b4eBy9cwW2JWPk0+fB1HOAMsfHbnAXLLS+PfVWlzMSLQaWttKDt607I0XHmpE67Vw==
+postcss@8.4.29, postcss@^8, postcss@^8.4.23, postcss@^8.4.5:
+  version "8.4.29"
+  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.4.29.tgz#33bc121cf3b3688d4ddef50be869b2a54185a1dd"
+  integrity sha512-cbI+jaqIeu/VGqXEarWkRCCffhjgXc0qjBtXpqJhTBohMUjUQnbBr0xqX3vEKudc4iviTewcJo5ajcec5+wdJw==
   dependencies:
     nanoid "^3.3.6"
     picocolors "^1.0.0"