diff --git a/step-004-map-visualization/webapp/package-lock.json b/step-004-map-visualization/webapp/package-lock.json
index da1cf32..dcc696e 100644
--- a/step-004-map-visualization/webapp/package-lock.json
+++ b/step-004-map-visualization/webapp/package-lock.json
@@ -229,11 +229,12 @@
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         },
         "node_modules/braces": {
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+            "version": "3.0.3",
+            "resolved": "https://registry.npmjs.org/braces/-/braces-3.0.3.tgz",
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             "dev": true,
-            "license": "MIT",
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-                "fill-range": "^7.0.1"
+                "fill-range": "^7.1.1"
             },
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                 "node": ">=8"
@@ -810,9 +811,10 @@
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+            "version": "7.1.1",
+            "resolved": "https://registry.npmjs.org/fill-range/-/fill-range-7.1.1.tgz",
+            "integrity": "sha512-YsGpe3WHLK8ZYi4tWDg2Jy3ebRz2rXowDxnld4bkQB00cc/1Zw9AWnC0i9ztDJitivtQvaI9KaLyKrc+hBW0yg==",
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-            "license": "MIT",
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             },
@@ -1183,8 +1185,9 @@
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         "node_modules/is-number": {
             "version": "7.0.0",
+            "resolved": "https://registry.npmjs.org/is-number/-/is-number-7.0.0.tgz",
+            "integrity": "sha512-41Cifkg6e8TylSpdtTpeLVMqvSBEVzTttHvERD741+pnZ8ANv0004MRL43QKPDlK9cGvNp6NZWZUBlbGXYxxng==",
             "dev": true,
-            "license": "MIT",
             "engines": {
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             }
@@ -2294,8 +2297,9 @@
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         "node_modules/to-regex-range": {
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+            "resolved": "https://registry.npmjs.org/to-regex-range/-/to-regex-range-5.0.1.tgz",
+            "integrity": "sha512-65P7iz6X5yEr1cwcgvQxbbIw7Uk3gOy5dIdtZ4rDveLqhrdJP+Li/Hx6tyK0NEb+2GCyneCMJiGqrADCSNk8sQ==",
             "dev": true,
-            "license": "MIT",
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             },
@@ -2725,10 +2729,12 @@
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-            "version": "3.0.2",
+            "version": "3.0.3",
+            "resolved": "https://registry.npmjs.org/braces/-/braces-3.0.3.tgz",
+            "integrity": "sha512-yQbXgO/OSZVD2IsiLlro+7Hf6Q18EJrKSEsdoMzKePKXct3gvD8oLcOQdIzGupr5Fj+EDe8gO/lxc1BzfMpxvA==",
             "dev": true,
             "requires": {
-                "fill-range": "^7.0.1"
+                "fill-range": "^7.1.1"
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@@ -3121,7 +3127,9 @@
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-            "version": "7.0.1",
+            "version": "7.1.1",
+            "resolved": "https://registry.npmjs.org/fill-range/-/fill-range-7.1.1.tgz",
+            "integrity": "sha512-YsGpe3WHLK8ZYi4tWDg2Jy3ebRz2rXowDxnld4bkQB00cc/1Zw9AWnC0i9ztDJitivtQvaI9KaLyKrc+hBW0yg==",
             "dev": true,
             "requires": {
                 "to-regex-range": "^5.0.1"
@@ -3354,6 +3362,8 @@
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         "is-number": {
             "version": "7.0.0",
+            "resolved": "https://registry.npmjs.org/is-number/-/is-number-7.0.0.tgz",
+            "integrity": "sha512-41Cifkg6e8TylSpdtTpeLVMqvSBEVzTttHvERD741+pnZ8ANv0004MRL43QKPDlK9cGvNp6NZWZUBlbGXYxxng==",
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         "is-path-cwd": {
@@ -4041,6 +4051,8 @@
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+            "resolved": "https://registry.npmjs.org/to-regex-range/-/to-regex-range-5.0.1.tgz",
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             "dev": true,
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