diff --git a/package-lock.json b/package-lock.json
index 765a3aa9..59ae694e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -12,7 +12,7 @@
         "@faker-js/faker": "^10.4.0",
         "accessible-autocomplete": "^3.0.1",
         "cookie-parser": "^1.4.7",
-        "dayjs": "^1.11.20",
+        "dayjs": "^1.11.21",
         "lodash": "^4.18.1",
         "markdown-it": "^14.1.1",
         "nhsuk-frontend": "^10.4.2",
@@ -2232,9 +2232,9 @@
       "license": "CC0-1.0"
     },
     "node_modules/dayjs": {
-      "version": "1.11.20",
-      "resolved": "https://registry.npmjs.org/dayjs/-/dayjs-1.11.20.tgz",
-      "integrity": "sha512-YbwwqR/uYpeoP4pu043q+LTDLFBLApUP6VxRihdfNTqu4ubqMlGDLd6ErXhEgsyvY0K6nCs7nggYumAN+9uEuQ==",
+      "version": "1.11.21",
+      "resolved": "https://registry.npmjs.org/dayjs/-/dayjs-1.11.21.tgz",
+      "integrity": "sha512-98IT+HOahAisibz/yjKbzuOBwYcjJ7BCLPzARyHiyEBmRz4fatF+KPJszEHXsGYjUG234aH/cOjW1wwTbKUZlA==",
       "license": "MIT"
     },
     "node_modules/debug": {
diff --git a/package.json b/package.json
index a662717e..7aab6fbc 100644
--- a/package.json
+++ b/package.json
@@ -14,7 +14,7 @@
     "@faker-js/faker": "^10.4.0",
     "accessible-autocomplete": "^3.0.1",
     "cookie-parser": "^1.4.7",
-    "dayjs": "^1.11.20",
+    "dayjs": "^1.11.21",
     "lodash": "^4.18.1",
     "markdown-it": "^14.1.1",
     "nhsuk-frontend": "^10.4.2",