diff --git a/SPFX/SPFX-Beginners/spfx-command/package-lock.json b/SPFX/SPFX-Beginners/spfx-command/package-lock.json
index 03fcf39..8c6c3a8 100644
--- a/SPFX/SPFX-Beginners/spfx-command/package-lock.json
+++ b/SPFX/SPFX-Beginners/spfx-command/package-lock.json
@@ -2656,27 +2656,21 @@
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-      "resolved": "https://registry.npmjs.org/ajv/-/ajv-5.2.5.tgz",
-      "integrity": "sha1-tjcjTT4mdetfefxlIkKoU6SMtJ8=",
+      "version": "6.12.3",
+      "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.12.3.tgz",
+      "integrity": "sha512-4K0cK3L1hsqk9xIb2z9vs/XU+PGJZ9PNpJRDS9YLzmNdX6jmVPfamLvTJr0aDAusnHyCHO6MjzlkAsgtqp9teA==",
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-        "fast-deep-equal": "^1.0.0",
-        "json-schema-traverse": "^0.3.0",
-        "json-stable-stringify": "^1.0.1"
+        "fast-deep-equal": "^3.1.1",
+        "fast-json-stable-stringify": "^2.0.0",
+        "json-schema-traverse": "^0.4.1",
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-          "resolved": "https://registry.npmjs.org/fast-deep-equal/-/fast-deep-equal-1.1.0.tgz",
-          "integrity": "sha1-wFNHeBfIa1HaqFPIHgWbcz0CNhQ=",
-          "dev": true
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-          "resolved": "https://registry.npmjs.org/json-schema-traverse/-/json-schema-traverse-0.3.1.tgz",
-          "integrity": "sha1-NJptRMU6Ud6JtAgFxdXlm0F9M0A=",
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+          "resolved": "https://registry.npmjs.org/fast-deep-equal/-/fast-deep-equal-3.1.3.tgz",
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@@ -6616,7 +6610,8 @@
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           "version": "2.1.1",
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-          "dev": true
+          "dev": true,
+          "optional": true
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@@ -6637,12 +6632,14 @@
         "balanced-match": {
           "version": "1.0.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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         "brace-expansion": {
           "version": "1.1.11",
           "bundled": true,
           "dev": true,
+          "optional": true,
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@@ -6657,17 +6654,20 @@
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           "version": "1.1.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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           "version": "0.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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           "version": "1.1.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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@@ -6784,7 +6784,8 @@
         "inherits": {
           "version": "2.0.3",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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@@ -6796,6 +6797,7 @@
           "version": "1.0.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
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@@ -6810,6 +6812,7 @@
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           "dev": true,
+          "optional": true,
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@@ -6817,12 +6820,14 @@
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-          "dev": true
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+          "optional": true
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           "version": "2.3.5",
           "bundled": true,
           "dev": true,
+          "optional": true,
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@@ -6841,6 +6846,7 @@
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           "bundled": true,
           "dev": true,
+          "optional": true,
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@@ -6921,7 +6927,8 @@
         "number-is-nan": {
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           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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@@ -6933,6 +6940,7 @@
           "version": "1.4.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "wrappy": "1"
           }
@@ -7018,7 +7026,8 @@
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-          "dev": true
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@@ -7054,6 +7063,7 @@
           "version": "1.0.2",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "code-point-at": "^1.0.0",
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@@ -7073,6 +7083,7 @@
           "version": "3.0.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
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@@ -7116,12 +7127,14 @@
         "wrappy": {
           "version": "1.0.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "yallist": {
           "version": "3.0.3",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         }
       }
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@@ -11684,6 +11697,12 @@
             "which": "^1.2.9"
           }
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+        "fast-deep-equal": {
+          "version": "1.1.0",
+          "resolved": "https://registry.npmjs.org/fast-deep-equal/-/fast-deep-equal-1.1.0.tgz",
+          "integrity": "sha1-wFNHeBfIa1HaqFPIHgWbcz0CNhQ=",
+          "dev": true
+        },
         "gaze": {
           "version": "1.1.3",
           "resolved": "https://registry.npmjs.org/gaze/-/gaze-1.1.3.tgz",
@@ -11712,8 +11731,28 @@
           "requires": {
             "ajv": "^5.1.0",
             "har-schema": "^2.0.0"
+          },
+          "dependencies": {
+            "ajv": {
+              "version": "5.5.2",
+              "resolved": "https://registry.npmjs.org/ajv/-/ajv-5.5.2.tgz",
+              "integrity": "sha1-c7Xuyj+rZT49P5Qis0GtQiBdyWU=",
+              "dev": true,
+              "requires": {
+                "co": "^4.6.0",
+                "fast-deep-equal": "^1.0.0",
+                "fast-json-stable-stringify": "^2.0.0",
+                "json-schema-traverse": "^0.3.0"
+              }
+            }
           }
         },
+        "json-schema-traverse": {
+          "version": "0.3.1",
+          "resolved": "https://registry.npmjs.org/json-schema-traverse/-/json-schema-traverse-0.3.1.tgz",
+          "integrity": "sha1-NJptRMU6Ud6JtAgFxdXlm0F9M0A=",
+          "dev": true
+        },
         "lru-cache": {
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           "resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-4.1.5.tgz",
diff --git a/SPFX/SPFX-Beginners/spfx-command/package.json b/SPFX/SPFX-Beginners/spfx-command/package.json
index f224de5..230b310 100644
--- a/SPFX/SPFX-Beginners/spfx-command/package.json
+++ b/SPFX/SPFX-Beginners/spfx-command/package.json
@@ -28,6 +28,6 @@
     "gulp": "~3.9.1",
     "@types/chai": "3.4.34",
     "@types/mocha": "2.2.38",
-    "ajv": "~5.2.2"
+    "ajv": "~6.12.3"
   }
 }