diff --git a/examples/angular-2/package-lock.json b/examples/angular-2/package-lock.json
index 02a2dcf..75d5af6 100644
--- a/examples/angular-2/package-lock.json
+++ b/examples/angular-2/package-lock.json
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@@ -7124,6 +5669,75 @@
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+        "ansi-styles": {
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+          "dev": true,
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+        "color-convert": {
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+          "dev": true,
+          "requires": {
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+        "color-name": {
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+          "resolved": "https://registry.npmjs.org/color-name/-/color-name-1.1.4.tgz",
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+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/is-fullwidth-code-point/-/is-fullwidth-code-point-3.0.0.tgz",
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+        "string-width": {
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+          "resolved": "https://registry.npmjs.org/string-width/-/string-width-4.2.3.tgz",
+          "integrity": "sha512-wKyQRQpjJ0sIp62ErSZdGsjMJWsap5oRNihHhu6G7JVO/9jIB6UyevL+tXuOqrng8j/cxKTWyWUwvSTriiZz/g==",
+          "dev": true,
+          "requires": {
+            "emoji-regex": "^8.0.0",
+            "is-fullwidth-code-point": "^3.0.0",
+            "strip-ansi": "^6.0.1"
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+        "strip-ansi": {
+          "version": "6.0.1",
+          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-6.0.1.tgz",
+          "integrity": "sha512-Y38VPSHcqkFrCpFnQ9vuSXmquuv5oXOKpGeT6aGrr3o3Gc9AlVa6JBfUSOCnbxGGZF+/0ooI7KrPuUSztUdU5A==",
+          "dev": true,
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       "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
@@ -7151,12 +5765,6 @@
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@@ -7179,12 +5787,6 @@
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-    "xmlhttprequest-ssl": {
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@@ -7203,10 +5805,65 @@
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-      "resolved": "https://registry.npmjs.org/yeast/-/yeast-0.1.2.tgz",
-      "integrity": "sha1-AI4G2AlDIMNy28L47XagymyKxBk=",
+    "yargs": {
+      "version": "16.2.0",
+      "resolved": "https://registry.npmjs.org/yargs/-/yargs-16.2.0.tgz",
+      "integrity": "sha512-D1mvvtDG0L5ft/jGWkLpG1+m0eQxOfaBvTNELraWj22wSVUMWxZUvYgJYcKh6jGGIkJFhH4IZPQhR4TKpc8mBw==",
+      "dev": true,
+      "requires": {
+        "cliui": "^7.0.2",
+        "escalade": "^3.1.1",
+        "get-caller-file": "^2.0.5",
+        "require-directory": "^2.1.1",
+        "string-width": "^4.2.0",
+        "y18n": "^5.0.5",
+        "yargs-parser": "^20.2.2"
+      },
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+        "ansi-regex": {
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+          "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-5.0.1.tgz",
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+        },
+        "is-fullwidth-code-point": {
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+          "resolved": "https://registry.npmjs.org/is-fullwidth-code-point/-/is-fullwidth-code-point-3.0.0.tgz",
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+        "string-width": {
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+          "dev": true,
+          "requires": {
+            "emoji-regex": "^8.0.0",
+            "is-fullwidth-code-point": "^3.0.0",
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+        "strip-ansi": {
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+          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-6.0.1.tgz",
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+          "resolved": "https://registry.npmjs.org/y18n/-/y18n-5.0.8.tgz",
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+        }
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+    "yargs-parser": {
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+      "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-20.2.9.tgz",
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diff --git a/examples/angular-2/package.json b/examples/angular-2/package.json
index 43243d0..42d7b9a 100644
--- a/examples/angular-2/package.json
+++ b/examples/angular-2/package.json
@@ -37,7 +37,7 @@
     "codelyzer": "~2.0.0",
     "jasmine-core": "~2.5.2",
     "jasmine-spec-reporter": "~3.2.0",
-    "karma": "~1.4.1",
+    "karma": "~6.4.1",
     "karma-chrome-launcher": "~2.0.0",
     "karma-cli": "~1.0.1",
     "karma-coverage-istanbul-reporter": "^0.2.0",