diff --git a/package-lock.json b/package-lock.json
index d47b44a..a5f1d91 100644
--- a/package-lock.json
+++ b/package-lock.json
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+            "dev": true
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             "resolved": "https://registry.npmjs.org/unpipe/-/unpipe-1.0.0.tgz",
@@ -10741,24 +10931,6 @@
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-            "resolved": "https://registry.npmjs.org/useragent/-/useragent-2.2.1.tgz",
-            "integrity": "sha1-z1k+9PLRdYdei7ZY6pLhik/QbY4=",
-            "dev": true,
-            "requires": {
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-                "tmp": "0.0.x"
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-            "dependencies": {
-                "lru-cache": {
-                    "version": "2.2.4",
-                    "resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-2.2.4.tgz",
-                    "integrity": "sha1-bGWGGb7PFAMdDQtZSxYELOTcBj0=",
-                    "dev": true
-                }
-            }
-        },
         "util": {
             "version": "0.11.1",
             "resolved": "https://registry.npmjs.org/util/-/util-0.11.1.tgz",
@@ -11380,15 +11552,10 @@
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         },
         "ws": {
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-            "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
         },
         "xml2js": {
             "version": "0.4.19",
@@ -11414,12 +11581,6 @@
             "integrity": "sha1-Ey7mPS7FVlxVfiD0wi35rKaGsQ0=",
             "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
-        },
         "xregexp": {
             "version": "4.0.0",
             "resolved": "https://registry.npmjs.org/xregexp/-/xregexp-4.0.0.tgz",
@@ -11471,12 +11632,6 @@
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-        "yeast": {
-            "version": "0.1.2",
-            "resolved": "https://registry.npmjs.org/yeast/-/yeast-0.1.2.tgz",
-            "integrity": "sha1-AI4G2AlDIMNy28L47XagymyKxBk=",
-            "dev": true
-        },
         "yn": {
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             "resolved": "https://registry.npmjs.org/yn/-/yn-2.0.0.tgz",
diff --git a/package.json b/package.json
index e1b9a29..8aa9a25 100644
--- a/package.json
+++ b/package.json
@@ -48,7 +48,7 @@
     "codelyzer": "4.5.0",
     "jasmine-core": "3.3.0",
     "jasmine-spec-reporter": "4.2.1",
-    "karma": "3.1.1",
+    "karma": "6.3.14",
     "karma-chrome-launcher": "2.2.0",
     "karma-coverage-istanbul-reporter": "2.0.4",
     "karma-jasmine": "2.0.1",