diff --git a/angular/package-lock.json b/angular/package-lock.json
index a7f032a..d36d345 100644
--- a/angular/package-lock.json
+++ b/angular/package-lock.json
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-      "dev": true,
-      "requires": {
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-        "tmp": "0.0.x"
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-      "dependencies": {
-        "lru-cache": {
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-          "resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-4.1.5.tgz",
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-          "dev": true,
-          "requires": {
-            "pseudomap": "^1.0.2",
-            "yallist": "^2.1.2"
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-        "yallist": {
-          "version": "2.1.2",
-          "resolved": "https://registry.npmjs.org/yallist/-/yallist-2.1.2.tgz",
-          "integrity": "sha1-HBH5IY8HYImkfdUS+TxmmaaoHVI=",
-          "dev": true
-        }
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     "util": {
       "version": "0.11.1",
       "resolved": "https://registry.npmjs.org/util/-/util-0.11.1.tgz",
@@ -9541,7 +9619,7 @@
     "void-elements": {
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       "resolved": "https://registry.npmjs.org/void-elements/-/void-elements-2.0.1.tgz",
-      "integrity": "sha1-wGavtYK7HLQSjWDqkjkulNXp2+w=",
+      "integrity": "sha512-qZKX4RnBzH2ugr8Lxa7x+0V6XD9Sb/ouARtiasEQCHB1EVU4NXtmHsDDrx1dO4ne5fc3J6EW05BP1Dl0z0iung==",
       "dev": true
     },
     "watchpack": {
@@ -9860,15 +9938,10 @@
       "dev": true
     },
     "ws": {
-      "version": "3.3.3",
-      "resolved": "https://registry.npmjs.org/ws/-/ws-3.3.3.tgz",
-      "integrity": "sha512-nnWLa/NwZSt4KQJu51MYlCcSQ5g7INpOrOMt4XV8j4dqTXdmlUmSHQ8/oLC069ckre0fRsgfvsKwbTdtKLCDkA==",
-      "dev": true,
-      "requires": {
-        "async-limiter": "~1.0.0",
-        "safe-buffer": "~5.1.0",
-        "ultron": "~1.1.0"
-      }
+      "version": "8.2.3",
+      "resolved": "https://registry.npmjs.org/ws/-/ws-8.2.3.tgz",
+      "integrity": "sha512-wBuoj1BDpC6ZQ1B7DWQBYVLphPWkm8i9Y0/3YdHjHKHiohOJ1ws+3OccDWtH+PoC9DZD5WOTrJvNbWvjS6JWaA==",
+      "dev": true
     },
     "xhr2": {
       "version": "0.1.4",
@@ -9900,12 +9973,6 @@
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       "dev": true
     },
-    "xmlhttprequest-ssl": {
-      "version": "1.5.5",
-      "resolved": "https://registry.npmjs.org/xmlhttprequest-ssl/-/xmlhttprequest-ssl-1.5.5.tgz",
-      "integrity": "sha1-wodrBhaKrcQOV9l+gRkayPQ5iz4=",
-      "dev": true
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     "xtend": {
       "version": "4.0.2",
       "resolved": "https://registry.npmjs.org/xtend/-/xtend-4.0.2.tgz",
@@ -9954,12 +10021,6 @@
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-    "yeast": {
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-      "resolved": "https://registry.npmjs.org/yeast/-/yeast-0.1.2.tgz",
-      "integrity": "sha1-AI4G2AlDIMNy28L47XagymyKxBk=",
-      "dev": true
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       "resolved": "https://registry.npmjs.org/yn/-/yn-3.1.1.tgz",
diff --git a/angular/package.json b/angular/package.json
index c8740b8..fe38824 100644
--- a/angular/package.json
+++ b/angular/package.json
@@ -63,7 +63,7 @@
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     "jasmine-core": "3.4.0",
     "jasmine-spec-reporter": "4.2.1",
-    "karma": "4.1.0",
+    "karma": "6.4.1",
     "karma-chrome-launcher": "2.2.0",
     "karma-cli": "2.0.0",
     "karma-coverage-istanbul-reporter": "2.0.5",