diff --git a/demo/lit/package-lock.json b/demo/lit/package-lock.json
index d5b1369..8e7a2be 100644
--- a/demo/lit/package-lock.json
+++ b/demo/lit/package-lock.json
@@ -4523,9 +4523,10 @@
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     },
     "lodash": {
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-      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.15.tgz",
-      "integrity": "sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A=="
+      "version": "4.17.19",
+      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.19.tgz",
+      "integrity": "sha512-JNvd8XER9GQX0v2qJgsaN/mzFCNA5BRe/j8JN9d+tWyGLSodKQHKFicdwNYzWwI3wjRnaKPsGj1XkBjx/F96DQ==",
+      "dev": true
     },
     "lodash._reinterpolate": {
       "version": "3.0.0",
@@ -8068,6 +8069,7 @@
       "version": "4.2.2",
       "resolved": "https://registry.npmjs.org/webpack-merge/-/webpack-merge-4.2.2.tgz",
       "integrity": "sha512-TUE1UGoTX2Cd42j3krGYqObZbOD+xF7u28WB7tfUordytSjbWTIjK/8V0amkBfTYN4/pB/GIDlJZZ657BGG19g==",
+      "dev": true,
       "requires": {
         "lodash": "^4.17.15"
       }