diff --git a/package.json b/package.json
index ab5c27a9a..b105548dd 100644
--- a/package.json
+++ b/package.json
@@ -17,7 +17,7 @@
     "esbuild": "^0.19.5",
     "govuk-frontend": "^4.7.0",
     "puppeteer": "^21.0.1",
-    "sass": "^1.64.2",
+    "sass": "^1.69.5",
     "stimulus-reveal-controller": "^4.1.0"
   }
 }
diff --git a/yarn.lock b/yarn.lock
index fca730ece..7623f1726 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5442,7 +5442,7 @@ __metadata:
     esbuild: ^0.19.5
     govuk-frontend: ^4.7.0
     puppeteer: ^21.0.1
-    sass: ^1.64.2
+    sass: ^1.69.5
     stimulus-reveal-controller: ^4.1.0
   languageName: unknown
   linkType: soft
@@ -10309,7 +10309,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"sass@npm:^1.44.0, sass@npm:^1.64.2":
+"sass@npm:^1.44.0":
   version: 1.68.0
   resolution: "sass@npm:1.68.0"
   dependencies:
@@ -10322,6 +10322,19 @@ __metadata:
   languageName: node
   linkType: hard
 
+"sass@npm:^1.69.5":
+  version: 1.69.5
+  resolution: "sass@npm:1.69.5"
+  dependencies:
+    chokidar: ">=3.0.0 <4.0.0"
+    immutable: ^4.0.0
+    source-map-js: ">=0.6.2 <2.0.0"
+  bin:
+    sass: sass.js
+  checksum: c66f4f02882e7aa7aa49703824dadbb5a174dcd05e3cd96f17f73687889aab6027d078b518e2c04b594dfd89b2f574824bf935c7aee46c770aa6be9aafcc49f2
+  languageName: node
+  linkType: hard
+
 "saxes@npm:^5.0.1":
   version: 5.0.1
   resolution: "saxes@npm:5.0.1"