diff --git a/package.json b/package.json
index 681309363..9d31b1b59 100644
--- a/package.json
+++ b/package.json
@@ -36,7 +36,7 @@
   "devDependencies": {
     "jasmine-browser-runner": "^2.5.0",
     "jasmine-core": "^5.5.0",
-    "postcss": "^8.4.49",
+    "postcss": "^8.5.1",
     "standardx": "^7.0.0",
     "stylelint": "^16.12.0",
     "stylelint-config-gds": "^2.0.0"
diff --git a/yarn.lock b/yarn.lock
index 2872ed70d..e1e067217 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2174,7 +2174,7 @@ __metadata:
     jasmine-browser-runner: "npm:^2.5.0"
     jasmine-core: "npm:^5.5.0"
     paste-html-to-govspeak: "npm:^0.4.0"
-    postcss: "npm:^8.4.49"
+    postcss: "npm:^8.5.1"
     standardx: "npm:^7.0.0"
     stylelint: "npm:^16.12.0"
     stylelint-config-gds: "npm:^2.0.0"
@@ -2338,7 +2338,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"nanoid@npm:^3.3.7":
+"nanoid@npm:^3.3.7, nanoid@npm:^3.3.8":
   version: 3.3.8
   resolution: "nanoid@npm:3.3.8"
   bin:
@@ -2783,6 +2783,17 @@ __metadata:
   languageName: node
   linkType: hard
 
+"postcss@npm:^8.5.1":
+  version: 8.5.1
+  resolution: "postcss@npm:8.5.1"
+  dependencies:
+    nanoid: "npm:^3.3.8"
+    picocolors: "npm:^1.1.1"
+    source-map-js: "npm:^1.2.1"
+  checksum: c4d90c59c98e8a0c102b77d3f4cac190f883b42d63dc60e2f3ed840f16197c0c8e25a4327d2e9a847b45a985612317dc0534178feeebd0a1cf3eb0eecf75cae4
+  languageName: node
+  linkType: hard
+
 "prelude-ls@npm:^1.2.1":
   version: 1.2.1
   resolution: "prelude-ls@npm:1.2.1"