diff --git a/webstep/webstep/ClientApp/package-lock.json b/webstep/webstep/ClientApp/package-lock.json
index 05f0b973..5dee3c9e 100644
--- a/webstep/webstep/ClientApp/package-lock.json
+++ b/webstep/webstep/ClientApp/package-lock.json
@@ -5,9 +5,9 @@
   "requires": true,
   "dependencies": {
     "@adobe/css-tools": {
-      "version": "4.1.0",
-      "resolved": "https://registry.npmjs.org/@adobe/css-tools/-/css-tools-4.1.0.tgz",
-      "integrity": "sha512-mMVJ/j/GbZ/De4ZHWbQAQO1J6iVnjtZLc9WEdkUQb8S/Bu2cAF2bETXUgMAdvMG3/ngtKmcNBe+Zms9bg6jnQQ=="
+      "version": "4.3.1",
+      "resolved": "https://registry.npmjs.org/@adobe/css-tools/-/css-tools-4.3.1.tgz",
+      "integrity": "sha512-/62yikz7NLScCGAAST5SHdnjaDJQBDq0M2muyRTpf2VQhw6StBg2ALiu73zSJQ4fMVLA+0uBhBHAle7Wg+2kSg=="
     },
     "@alloc/quick-lru": {
       "version": "5.2.0",