diff --git a/package.json b/package.json
index 695b9158..d5489f6d 100644
--- a/package.json
+++ b/package.json
@@ -5,7 +5,7 @@
     "dfe-autocomplete": "github:DFE-Digital/dfe-autocomplete",
     "esbuild": "^0.19.4",
     "govuk-frontend": "^4.6.0",
-    "sass": "^1.68.0"
+    "sass": "^1.70.0"
   },
   "scripts": {
     "build": "esbuild app/javascript/*.* --target=ie11 --bundle --sourcemap --outdir=app/assets/builds",
diff --git a/yarn.lock b/yarn.lock
index 80df3510..e077cee1 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1546,10 +1546,10 @@ safe-regex-test@^1.0.0:
     get-intrinsic "^1.1.3"
     is-regex "^1.1.4"
 
-sass@^1.68.0:
-  version "1.68.0"
-  resolved "https://registry.yarnpkg.com/sass/-/sass-1.68.0.tgz#0034b0cc9a50248b7d1702ac166fd25990023669"
-  integrity sha512-Lmj9lM/fef0nQswm1J2HJcEsBUba4wgNx2fea6yJHODREoMFnwRpZydBnX/RjyXw2REIwdkbqE4hrTo4qfDBUA==
+sass@^1.70.0:
+  version "1.70.0"
+  resolved "https://registry.yarnpkg.com/sass/-/sass-1.70.0.tgz#761197419d97b5358cb25f9dd38c176a8a270a75"
+  integrity sha512-uUxNQ3zAHeAx5nRFskBnrWzDUJrrvpCPD5FNAoRvTi0WwremlheES3tg+56PaVtCs5QDRX5CBLxxKMDJMEa1WQ==
   dependencies:
     chokidar ">=3.0.0 <4.0.0"
     immutable "^4.0.0"