diff --git a/package-lock.json b/package-lock.json
index 3d67592..2f51110 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -915,6 +915,11 @@
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-      "resolved": "https://registry.npmjs.org/ws/-/ws-3.3.3.tgz",
-      "integrity": "sha512-nnWLa/NwZSt4KQJu51MYlCcSQ5g7INpOrOMt4XV8j4dqTXdmlUmSHQ8/oLC069ckre0fRsgfvsKwbTdtKLCDkA==",
-      "requires": {
-        "async-limiter": "~1.0.0",
-        "safe-buffer": "~5.1.0",
-        "ultron": "~1.1.0"
-      }
-    },
-    "xmlhttprequest-ssl": {
-      "version": "1.5.5",
-      "resolved": "https://registry.npmjs.org/xmlhttprequest-ssl/-/xmlhttprequest-ssl-1.5.5.tgz",
-      "integrity": "sha1-wodrBhaKrcQOV9l+gRkayPQ5iz4="
+      "version": "8.2.3",
+      "resolved": "https://registry.npmjs.org/ws/-/ws-8.2.3.tgz",
+      "integrity": "sha512-wBuoj1BDpC6ZQ1B7DWQBYVLphPWkm8i9Y0/3YdHjHKHiohOJ1ws+3OccDWtH+PoC9DZD5WOTrJvNbWvjS6JWaA=="
     },
     "xregexp": {
       "version": "4.0.0",
@@ -13282,11 +13228,6 @@
       "resolved": "https://registry.npmjs.org/y18n/-/y18n-4.0.0.tgz",
       "integrity": "sha512-r9S/ZyXu/Xu9q1tYlpsLIsa3EeLXXk0VwlxqTcFRfg9EhMW+17kbt9G0NrgCmhGb5vT2hyhJZLfDGx+7+5Uj/w=="
     },
-    "yallist": {
-      "version": "2.1.2",
-      "resolved": "https://registry.npmjs.org/yallist/-/yallist-2.1.2.tgz",
-      "integrity": "sha1-HBH5IY8HYImkfdUS+TxmmaaoHVI="
-    },
     "yargs": {
       "version": "12.0.2",
       "resolved": "https://registry.npmjs.org/yargs/-/yargs-12.0.2.tgz",
@@ -13354,11 +13295,6 @@
           "integrity": "sha1-1UVjW+HjPFQmScaRc+Xeas+uNN0="
         }
       }
-    },
-    "yeast": {
-      "version": "0.1.2",
-      "resolved": "https://registry.npmjs.org/yeast/-/yeast-0.1.2.tgz",
-      "integrity": "sha1-AI4G2AlDIMNy28L47XagymyKxBk="
     }
   }
 }
diff --git a/package.json b/package.json
index d940598..d318c3b 100644
--- a/package.json
+++ b/package.json
@@ -50,7 +50,7 @@
     "html-loader": "^0.5.5",
     "html-webpack-plugin": "4.0.0-beta.5",
     "identity-obj-proxy": "3.0.0",
-    "karma": "4.4.1",
+    "karma": "6.4.1",
     "less": "3.10.3",
     "less-loader": "5.0.0",
     "mini-css-extract-plugin": "0.8.0",