diff --git a/package-lock.json b/package-lock.json
index 753dd3de..f05722a1 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -12,7 +12,7 @@
       "dependencies": {
         "govuk-frontend": "^5.6.0",
         "jquery": "^3.7.1",
-        "sass": "^1.77.8"
+        "sass": "^1.78.0"
       },
       "devDependencies": {
         "cypress": "11.2.0",
@@ -1752,9 +1752,9 @@
       "dev": true
     },
     "node_modules/sass": {
-      "version": "1.77.8",
-      "resolved": "https://registry.npmjs.org/sass/-/sass-1.77.8.tgz",
-      "integrity": "sha512-4UHg6prsrycW20fqLGPShtEvo/WyHRVRHwOP4DzkUrObWoWI05QBSfzU71TVB7PFaL104TwNaHpjlWXAZbQiNQ==",
+      "version": "1.78.0",
+      "resolved": "https://registry.npmjs.org/sass/-/sass-1.78.0.tgz",
+      "integrity": "sha512-AaIqGSrjo5lA2Yg7RvFZrlXDBCp3nV4XP73GrLGvdRWWwk+8H3l0SDvq/5bA4eF+0RFPLuWUk3E+P1U/YqnpsQ==",
       "dependencies": {
         "chokidar": ">=3.0.0 <4.0.0",
         "immutable": "^4.0.0",
@@ -3393,9 +3393,9 @@
       "dev": true
     },
     "sass": {
-      "version": "1.77.8",
-      "resolved": "https://registry.npmjs.org/sass/-/sass-1.77.8.tgz",
-      "integrity": "sha512-4UHg6prsrycW20fqLGPShtEvo/WyHRVRHwOP4DzkUrObWoWI05QBSfzU71TVB7PFaL104TwNaHpjlWXAZbQiNQ==",
+      "version": "1.78.0",
+      "resolved": "https://registry.npmjs.org/sass/-/sass-1.78.0.tgz",
+      "integrity": "sha512-AaIqGSrjo5lA2Yg7RvFZrlXDBCp3nV4XP73GrLGvdRWWwk+8H3l0SDvq/5bA4eF+0RFPLuWUk3E+P1U/YqnpsQ==",
       "requires": {
         "chokidar": ">=3.0.0 <4.0.0",
         "immutable": "^4.0.0",
diff --git a/package.json b/package.json
index 0fc44d2e..729a673a 100644
--- a/package.json
+++ b/package.json
@@ -23,7 +23,7 @@
   "dependencies": {
     "govuk-frontend": "^5.6.0",
     "jquery": "^3.7.1",
-    "sass": "^1.77.8"
+    "sass": "^1.78.0"
   },
   "devDependencies": {
     "cypress": "11.2.0",