diff --git a/book-manager/package-lock.json b/book-manager/package-lock.json
index 7e01701..1c6e0eb 100644
--- a/book-manager/package-lock.json
+++ b/book-manager/package-lock.json
@@ -2337,9 +2337,9 @@
       }
     },
     "css-what": {
-      "version": "2.1.0",
-      "resolved": "http://nexus.wdf.sap.corp:8081/nexus/repository/build.milestones.npm/css-what/-/css-what-2.1.0.tgz",
-      "integrity": "sha1-lGfQMsOM+u+58teVASUwYvh/ob0="
+      "version": "2.1.3",
+      "resolved": "https://registry.npmjs.org/css-what/-/css-what-2.1.3.tgz",
+      "integrity": "sha512-a+EPoD+uZiNfh+5fxw2nO9QwFa6nJe2Or35fGY6Ipw1R3R4AGz1d1TEZrCegvw2YTmZ0jXirGYlzxxpYSHwpEg=="
     },
     "cssesc": {
       "version": "0.1.0",