diff --git a/demo/lit/package-lock.json b/demo/lit/package-lock.json
index d5b1369..ea59e8e 100644
--- a/demo/lit/package-lock.json
+++ b/demo/lit/package-lock.json
@@ -1596,9 +1596,9 @@
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     },
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-      "resolved": "https://registry.npmjs.org/async/-/async-2.6.3.tgz",
-      "integrity": "sha512-zflvls11DCy+dQWzTW2dzuilv8Z5X/pjfmZOWba6TNIVDm+2UDaJmXSOXlasHKfNBs8oo3M0aT50fDEWfKZjXg==",
+      "version": "2.6.4",
+      "resolved": "https://registry.npmjs.org/async/-/async-2.6.4.tgz",
+      "integrity": "sha512-mzo5dfJYwAn29PeiJ0zvwTo04zj8HDJj0Mn8TD7sno7q12prdbnasKJHhkm2c1LgrhlJ0teaea8860oxi51mGA==",
       "dev": true,
       "requires": {
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@@ -4525,7 +4525,8 @@
     "lodash": {
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       "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.15.tgz",
-      "integrity": "sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A=="
+      "integrity": "sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A==",
+      "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"
       }