diff --git a/package-lock.json b/package-lock.json
index 378cb4eb8..1267d7016 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -16,7 +16,7 @@
         "govuk-frontend": "2.13.0",
         "hogan": "1.0.2",
         "jquery": "3.7.1",
-        "morphdom": "2.7.2",
+        "morphdom": "^2.7.3",
         "python": "^0.0.4",
         "query-command-supported": "1.0.0",
         "sass-embedded": "^1.77.5",
@@ -11225,9 +11225,10 @@
       }
     },
     "node_modules/morphdom": {
-      "version": "2.7.2",
-      "resolved": "https://registry.npmjs.org/morphdom/-/morphdom-2.7.2.tgz",
-      "integrity": "sha512-Dqb/lHFyTi7SZpY0a5R4I/0Edo+iPMbaUexsHHsLAByyixCDiLHPHyVoKVmrpL0THcT7V9Cgev9y21TQYq6wQg=="
+      "version": "2.7.3",
+      "resolved": "https://registry.npmjs.org/morphdom/-/morphdom-2.7.3.tgz",
+      "integrity": "sha512-rvGK92GxSuPEZLY8D/JH07cG3BxyA+/F0Bxg32OoGAEFFhGWA3OqVpqPZlOgZTCR52clXrmz+z2pYSJ6gOig1w==",
+      "license": "MIT"
     },
     "node_modules/ms": {
       "version": "2.1.2",
diff --git a/package.json b/package.json
index 355a79e8f..4fb7c5ec8 100644
--- a/package.json
+++ b/package.json
@@ -32,7 +32,7 @@
     "govuk-frontend": "2.13.0",
     "hogan": "1.0.2",
     "jquery": "3.7.1",
-    "morphdom": "2.7.2",
+    "morphdom": "^2.7.3",
     "python": "^0.0.4",
     "query-command-supported": "1.0.0",
     "sass-embedded": "^1.77.5",