diff --git a/examples/svelte-example/package.json b/examples/svelte-example/package.json
index 0cb8115489..150a2e81d0 100644
--- a/examples/svelte-example/package.json
+++ b/examples/svelte-example/package.json
@@ -16,7 +16,7 @@
     "@rollup/plugin-typescript": "^8.0.0",
     "@tsconfig/svelte": "^1.0.0",
     "npm-run-all": "^4.1.5",
-    "postcss": "^8.2.1",
+    "postcss": "^8.4.31",
     "postcss-import": "^13.0.0",
     "postcss-load-config": "^3.0.0",
     "rollup": "^2.60.2",
diff --git a/package.json b/package.json
index 058f8b5bf3..c19b68ffa5 100644
--- a/package.json
+++ b/package.json
@@ -92,7 +92,7 @@
     "npm-run-all": "^4.1.5",
     "onchange": "^7.1.0",
     "pacote": "^13.0.0",
-    "postcss": "^8.2.10",
+    "postcss": "^8.4.31",
     "postcss-dir-pseudo-class": "^6.0.0",
     "postcss-logical": "^5.0.0",
     "pre-commit": "^1.2.2",
diff --git a/yarn.lock b/yarn.lock
index 58f15621e7..7cade0a49b 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -9199,7 +9199,7 @@ __metadata:
     npm-run-all: ^4.1.5
     onchange: ^7.1.0
     pacote: ^13.0.0
-    postcss: ^8.2.10
+    postcss: ^8.4.31
     postcss-dir-pseudo-class: ^6.0.0
     postcss-logical: ^5.0.0
     pre-commit: ^1.2.2
@@ -9559,7 +9559,7 @@ __metadata:
     "@uppy/xhr-upload": "workspace:*"
     formidable: ^2.0.1
     npm-run-all: ^4.1.5
-    postcss: ^8.2.1
+    postcss: ^8.4.31
     postcss-import: ^13.0.0
     postcss-load-config: ^3.0.0
     rollup: ^2.60.2
@@ -26465,7 +26465,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"postcss@npm:^8.1.10, postcss@npm:^8.2.1, postcss@npm:^8.2.10, postcss@npm:^8.2.14, postcss@npm:^8.4.14":
+"postcss@npm:^8.1.10, postcss@npm:^8.2.14, postcss@npm:^8.4.14":
   version: 8.4.16
   resolution: "postcss@npm:8.4.16"
   dependencies:
@@ -26520,6 +26520,17 @@ __metadata:
   languageName: node
   linkType: hard
 
+"postcss@npm:^8.4.31":
+  version: 8.4.31
+  resolution: "postcss@npm:8.4.31"
+  dependencies:
+    nanoid: ^3.3.6
+    picocolors: ^1.0.0
+    source-map-js: ^1.0.2
+  checksum: 1d8611341b073143ad90486fcdfeab49edd243377b1f51834dc4f6d028e82ce5190e4f11bb2633276864503654fb7cab28e67abdc0fbf9d1f88cad4a0ff0beea
+  languageName: node
+  linkType: hard
+
 "posthtml-parser@npm:^0.10.1":
   version: 0.10.2
   resolution: "posthtml-parser@npm:0.10.2"