diff --git a/config/dependencies.yaml b/config/dependencies.yaml
index 20863290bf0..9fc27fc7c28 100644
--- a/config/dependencies.yaml
+++ b/config/dependencies.yaml
@@ -255,7 +255,7 @@ dev:
     'autoprefixer': '10.4.14'
     'eslint-config-next': *next
     'js-yaml': &jsYaml '4.1.0'
-    'postcss': &postcss '8.4.27'
+    'postcss': &postcss '8.4.28'
     'playwright': '^1.32.3'
     'remark-extract-frontmatter': '3.2.0'
     'remark-mdx-frontmatter': '3.0.0'
diff --git a/sites/dev/package.json b/sites/dev/package.json
index a7855135762..4aa2c8034ae 100644
--- a/sites/dev/package.json
+++ b/sites/dev/package.json
@@ -63,7 +63,7 @@
     "autoprefixer": "10.4.14",
     "eslint-config-next": "13.4.13",
     "js-yaml": "4.1.0",
-    "postcss": "8.4.27",
+    "postcss": "8.4.28",
     "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 562261032ef..78c384e36d6 100644
--- a/sites/lab/package.json
+++ b/sites/lab/package.json
@@ -67,7 +67,7 @@
     "autoprefixer": "10.4.14",
     "eslint-config-next": "13.4.13",
     "js-yaml": "4.1.0",
-    "postcss": "8.4.27",
+    "postcss": "8.4.28",
     "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 62ac94b924a..b29743a820b 100644
--- a/sites/org/package.json
+++ b/sites/org/package.json
@@ -70,7 +70,7 @@
     "autoprefixer": "10.4.14",
     "eslint-config-next": "13.4.13",
     "js-yaml": "4.1.0",
-    "postcss": "8.4.27",
+    "postcss": "8.4.28",
     "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 29f62d3ebc7..c5d6dc85b8b 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -11480,10 +11480,10 @@ postcss@8.4.14:
     picocolors "^1.0.0"
     source-map-js "^1.0.2"
 
-postcss@8.4.27, postcss@^8, postcss@^8.4.23, postcss@^8.4.5:
-  version "8.4.27"
-  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.4.27.tgz#234d7e4b72e34ba5a92c29636734349e0d9c3057"
-  integrity sha512-gY/ACJtJPSmUFPDCHtX78+01fHa64FaU4zaaWfuh1MhGJISufJAH4cun6k/8fwsHYeK4UQmENQK+tRLCFJE8JQ==
+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==
   dependencies:
     nanoid "^3.3.6"
     picocolors "^1.0.0"