diff --git a/package.json b/package.json
index 37ba9a5501..e6ff1725b4 100644
--- a/package.json
+++ b/package.json
@@ -21,7 +21,7 @@
     "file-loader": "^6.2.0",
     "govuk-frontend": "^5.3.1",
     "nunjucks": "^3.2.4",
-    "sass": "^1.77.0",
+    "sass": "^1.77.1",
     "terser-webpack-plugin": "^5.3.10",
     "webpack": "^5.91",
     "webpack-assets-manifest": "^5.2.1",
diff --git a/yarn.lock b/yarn.lock
index 0ef523e1a3..2a5c5569e5 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5737,7 +5737,7 @@ __metadata:
     govuk-frontend: "npm:^5.3.1"
     nunjucks: "npm:^3.2.4"
     prettier: "npm:^2.8.8"
-    sass: "npm:^1.77.0"
+    sass: "npm:^1.77.1"
     terser-webpack-plugin: "npm:^5.3.10"
     webpack: "npm:^5.91"
     webpack-assets-manifest: "npm:^5.2.1"
@@ -9845,16 +9845,16 @@ __metadata:
   languageName: node
   linkType: hard
 
-"sass@npm:^1.77.0":
-  version: 1.77.0
-  resolution: "sass@npm:1.77.0"
+"sass@npm:^1.77.1":
+  version: 1.77.1
+  resolution: "sass@npm:1.77.1"
   dependencies:
     chokidar: "npm:>=3.0.0 <4.0.0"
     immutable: "npm:^4.0.0"
     source-map-js: "npm:>=0.6.2 <2.0.0"
   bin:
     sass: sass.js
-  checksum: bce0e5f5b535491e4e775045a79f19cbe10d800ef53b5f7698958d2992505d7b124c968169b05a0190842d8e0a24c2aa6d75dfbdd7c213820d9d59e227009c19
+  checksum: edcfc7d038234b1198c3ddcac5963fcd1e17a9c1ee0f9bd09784ab5353b60ff50b189b4c9154b34f5da9ca0eaab8b189fd3e83a4b43a494151ad4735f8e5f364
   languageName: node
   linkType: hard