diff --git a/yarn.lock b/yarn.lock
index 8e11db63..3139014c 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5465,7 +5465,6 @@ __metadata:
     govuk-frontend: "npm:^4.7.0"
     jquery: "npm:^3.7.1"
     npm-run-all: "npm:^4.1.5"
-    postcss: "npm:8"
     sass: "npm:^1.70.0"
     stimulus-reveal-controller: "npm:^4.1.0"
     stylelint: "npm:^16.5.0"
@@ -9766,17 +9765,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"postcss@npm:8, postcss@npm:^8.4.38":
-  version: 8.4.38
-  resolution: "postcss@npm:8.4.38"
-  dependencies:
-    nanoid: "npm:^3.3.7"
-    picocolors: "npm:^1.0.0"
-    source-map-js: "npm:^1.2.0"
-  checksum: 955407b8f70cf0c14acf35dab3615899a2a60a26718a63c848cf3c29f2467b0533991b985a2b994430d890bd7ec2b1963e36352b0774a19143b5f591540f7c06
-  languageName: node
-  linkType: hard
-
 "postcss@npm:^7.0.14, postcss@npm:^7.0.17, postcss@npm:^7.0.2, postcss@npm:^7.0.21, postcss@npm:^7.0.26, postcss@npm:^7.0.31, postcss@npm:^7.0.32, postcss@npm:^7.0.35, postcss@npm:^7.0.6":
   version: 7.0.39
   resolution: "postcss@npm:7.0.39"
@@ -9787,6 +9775,17 @@ __metadata:
   languageName: node
   linkType: hard
 
+"postcss@npm:^8.4.38":
+  version: 8.4.38
+  resolution: "postcss@npm:8.4.38"
+  dependencies:
+    nanoid: "npm:^3.3.7"
+    picocolors: "npm:^1.0.0"
+    source-map-js: "npm:^1.2.0"
+  checksum: 955407b8f70cf0c14acf35dab3615899a2a60a26718a63c848cf3c29f2467b0533991b985a2b994430d890bd7ec2b1963e36352b0774a19143b5f591540f7c06
+  languageName: node
+  linkType: hard
+
 "prelude-ls@npm:^1.2.1":
   version: 1.2.1
   resolution: "prelude-ls@npm:1.2.1"