diff --git a/viz/sunburst-drilldown/package-lock.json b/viz/sunburst-drilldown/package-lock.json
index 52afbfa..2a78951 100644
--- a/viz/sunburst-drilldown/package-lock.json
+++ b/viz/sunburst-drilldown/package-lock.json
@@ -4563,9 +4563,9 @@
       "dev": true
     },
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-      "resolved": "https://registry.npmjs.org/ip/-/ip-1.1.5.tgz",
-      "integrity": "sha1-vd7XARQpCCjAoDnnLvJfWq7ENUo=",
+      "version": "1.1.9",
+      "resolved": "https://registry.npmjs.org/ip/-/ip-1.1.9.tgz",
+      "integrity": "sha512-cyRxvOEpNHNtchU3Ln9KC/auJgup87llfQpQ+t5ghoC/UhL16SWzbueiCsdTnWmqAWl7LadfuwhlqmtOaqMHdQ==",
       "dev": true
     },
     "ip-regex": {
@@ -6582,12 +6582,6 @@
       "integrity": "sha1-6SQ0v6XqjBn0HN/UAddBo8gZ2Jc=",
       "dev": true
     },
-    "prettier": {
-      "version": "1.18.2",
-      "resolved": "https://registry.npmjs.org/prettier/-/prettier-1.18.2.tgz",
-      "integrity": "sha512-OeHeMc0JhFE9idD4ZdtNibzY0+TPHSpSSb9h8FqtP+YnoZZ1sl8Vc9b1sasjfymH3SonAF4QcA2+mzHPhMvIiw==",
-      "dev": true
-    },
     "pretty-error": {
       "version": "2.1.1",
       "resolved": "https://registry.npmjs.org/pretty-error/-/pretty-error-2.1.1.tgz",