diff --git a/app/package-lock.json b/app/package-lock.json
index 9badc30..9972481 100644
--- a/app/package-lock.json
+++ b/app/package-lock.json
@@ -5,9 +5,9 @@
   "requires": true,
   "dependencies": {
     "@adobe/css-tools": {
-      "version": "4.2.0",
-      "resolved": "https://registry.npmjs.org/@adobe/css-tools/-/css-tools-4.2.0.tgz",
-      "integrity": "sha512-E09FiIft46CmH5Qnjb0wsW54/YQd69LsxeKUOWawmws1XWvyFGURnAChH0mlr7YPFR1ofwvUQfcL0J3lMxXqPA=="
+      "version": "4.3.1",
+      "resolved": "https://registry.npmjs.org/@adobe/css-tools/-/css-tools-4.3.1.tgz",
+      "integrity": "sha512-/62yikz7NLScCGAAST5SHdnjaDJQBDq0M2muyRTpf2VQhw6StBg2ALiu73zSJQ4fMVLA+0uBhBHAle7Wg+2kSg=="
     },
     "@ampproject/remapping": {
       "version": "2.2.0",