diff --git a/service-mesh/istio/sample/istio-plural-course/06/demos/src/rng/numbers-web/ClientApp/package-lock.json b/service-mesh/istio/sample/istio-plural-course/06/demos/src/rng/numbers-web/ClientApp/package-lock.json
index bad71fb..8250d17 100644
--- a/service-mesh/istio/sample/istio-plural-course/06/demos/src/rng/numbers-web/ClientApp/package-lock.json
+++ b/service-mesh/istio/sample/istio-plural-course/06/demos/src/rng/numbers-web/ClientApp/package-lock.json
@@ -1673,11 +1673,11 @@
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-      "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.10.0.tgz",
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+      "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.12.3.tgz",
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       "requires": {
-        "fast-deep-equal": "^2.0.1",
+        "fast-deep-equal": "^3.1.1",
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         "json-schema-traverse": "^0.4.1",
         "uri-js": "^4.2.2"
@@ -5186,9 +5186,9 @@
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-      "resolved": "https://registry.npmjs.org/fast-deep-equal/-/fast-deep-equal-2.0.1.tgz",
-      "integrity": "sha1-ewUhjd+WZ79/Nwv3/bLLFf3Qqkk="
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+      "resolved": "https://registry.npmjs.org/fast-deep-equal/-/fast-deep-equal-3.1.3.tgz",
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@@ -12001,9 +12001,9 @@
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-      "resolved": "https://registry.npmjs.org/uri-js/-/uri-js-4.2.2.tgz",
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+      "resolved": "https://registry.npmjs.org/uri-js/-/uri-js-4.4.1.tgz",
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diff --git a/service-mesh/istio/sample/istio-plural-course/06/demos/src/rng/numbers-web/ClientApp/package.json b/service-mesh/istio/sample/istio-plural-course/06/demos/src/rng/numbers-web/ClientApp/package.json
index ab5132d..b905b63 100644
--- a/service-mesh/istio/sample/istio-plural-course/06/demos/src/rng/numbers-web/ClientApp/package.json
+++ b/service-mesh/istio/sample/istio-plural-course/06/demos/src/rng/numbers-web/ClientApp/package.json
@@ -17,7 +17,7 @@
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   },
   "devDependencies": {
-    "ajv": "^6.9.1",
+    "ajv": "^6.12.3",
     "cross-env": "^5.2.0",
     "eslint": "^5.12.0",
     "eslint-config-react-app": "^4.0.1",