diff --git a/package-lock.json b/package-lock.json
index 0be2850f..452eec55 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -25,7 +25,7 @@
         "gulp-clean-css": "^4.3.0",
         "gulp-nodemon": "^2.5.0",
         "gulp-rename": "^2.0.0",
-        "gulp-sass": "^5.1.0",
+        "gulp-sass": "^6.0.0",
         "lodash": "^4.17.21",
         "nhsuk-frontend": "^9.1.0",
         "nunjucks": "^3.2.4",
@@ -8164,9 +8164,9 @@
       }
     },
     "node_modules/gulp-sass": {
-      "version": "5.1.0",
-      "resolved": "https://registry.npmjs.org/gulp-sass/-/gulp-sass-5.1.0.tgz",
-      "integrity": "sha512-7VT0uaF+VZCmkNBglfe1b34bxn/AfcssquLKVDYnCDJ3xNBaW7cUuI3p3BQmoKcoKFrs9jdzUxyb+u+NGfL4OQ==",
+      "version": "6.0.0",
+      "resolved": "https://registry.npmjs.org/gulp-sass/-/gulp-sass-6.0.0.tgz",
+      "integrity": "sha512-FGb4Uab4jnH2GnSfBGd6uW3+imvNodAGfsjGcUhEtpNYPVx+TK2tp5uh7MO0sSR7aIf1Sm544werc+zV7ejHHw==",
       "dependencies": {
         "lodash.clonedeep": "^4.5.0",
         "picocolors": "^1.0.0",
@@ -20868,9 +20868,9 @@
       "integrity": "sha512-97Vba4KBzbYmR5VBs9mWmK+HwIf5mj+/zioxfZhOKeXtx5ZjBk57KFlePf5nxq9QsTtFl0ejnHE3zTC9MHXqyQ=="
     },
     "gulp-sass": {
-      "version": "5.1.0",
-      "resolved": "https://registry.npmjs.org/gulp-sass/-/gulp-sass-5.1.0.tgz",
-      "integrity": "sha512-7VT0uaF+VZCmkNBglfe1b34bxn/AfcssquLKVDYnCDJ3xNBaW7cUuI3p3BQmoKcoKFrs9jdzUxyb+u+NGfL4OQ==",
+      "version": "6.0.0",
+      "resolved": "https://registry.npmjs.org/gulp-sass/-/gulp-sass-6.0.0.tgz",
+      "integrity": "sha512-FGb4Uab4jnH2GnSfBGd6uW3+imvNodAGfsjGcUhEtpNYPVx+TK2tp5uh7MO0sSR7aIf1Sm544werc+zV7ejHHw==",
       "requires": {
         "lodash.clonedeep": "^4.5.0",
         "picocolors": "^1.0.0",
diff --git a/package.json b/package.json
index b12a2e99..3ee33f50 100644
--- a/package.json
+++ b/package.json
@@ -31,7 +31,7 @@
     "gulp-clean-css": "^4.3.0",
     "gulp-nodemon": "^2.5.0",
     "gulp-rename": "^2.0.0",
-    "gulp-sass": "^5.1.0",
+    "gulp-sass": "^6.0.0",
     "lodash": "^4.17.21",
     "nhsuk-frontend": "^9.1.0",
     "nunjucks": "^3.2.4",