diff --git a/package-lock.json b/package-lock.json
index c6adec5..eec9896 100644
--- a/package-lock.json
+++ b/package-lock.json
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+            "inflight": "^1.0.4",
+            "inherits": "2",
+            "minimatch": "^3.1.1",
+            "once": "^1.3.0",
+            "path-is-absolute": "^1.0.0"
+          }
+        },
+        "minimatch": {
+          "version": "3.1.2",
+          "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.1.2.tgz",
+          "integrity": "sha512-J7p63hRiAjw1NDEww1W7i37+ByIrOWO5XQQAzZ3VOcL0PNybwpfmV/N05zFAzwQ9USyEcX6t3UO+K5aqBQOIHw==",
+          "requires": {
+            "brace-expansion": "^1.1.7"
+          }
+        },
+        "rimraf": {
+          "version": "3.0.2",
+          "resolved": "https://registry.npmjs.org/rimraf/-/rimraf-3.0.2.tgz",
+          "integrity": "sha512-JZkJMZkAGFFPP2YqXZXPbMlMBgsxzE8ILs4lMIX/2o0L9UBw9O/Y3o6wFw/i9YLapcUJWwqbi3kdxIPdC62TIA==",
+          "requires": {
+            "glob": "^7.1.3"
+          }
+        }
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-    "to-array": {
-      "version": "0.1.4",
-      "resolved": "https://registry.npmjs.org/to-array/-/to-array-0.1.4.tgz",
-      "integrity": "sha1-F+bBH3PdTz10zaek/zI46a2b+JA="
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@@ -7960,6 +8326,11 @@
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+    "toidentifier": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/toidentifier/-/toidentifier-1.0.1.tgz",
+      "integrity": "sha512-o5sSPKEkg/DIQNmH43V0/uerLrpzVedkUh8tGNvaeXpfpuwjKenlSox/2O/BTlZUtEe+JG7s5YhEz608PlAHRA=="
+    },
     "toposort": {
       "version": "1.0.3",
       "resolved": "https://registry.npmjs.org/toposort/-/toposort-1.0.3.tgz",
@@ -8088,6 +8459,11 @@
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       "integrity": "sha1-A4qV99m7tCCxvzW6MdTFwd0//jQ="
     },
+    "ua-parser-js": {
+      "version": "0.7.32",
+      "resolved": "https://registry.npmjs.org/ua-parser-js/-/ua-parser-js-0.7.32.tgz",
+      "integrity": "sha512-f9BESNVhzlhEFf2CHMSj40NWOjYPl1YKYbrvIr/hFTDEmLq7SRbWvm7FcdcpCYT95zrOhC7gZSxjdnnTpBcwVw=="
+    },
     "uglify-js": {
       "version": "2.8.29",
       "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-2.8.29.tgz",
@@ -8349,22 +8725,6 @@
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-    "useragent": {
-      "version": "2.2.1",
-      "resolved": "https://registry.npmjs.org/useragent/-/useragent-2.2.1.tgz",
-      "integrity": "sha1-z1k+9PLRdYdei7ZY6pLhik/QbY4=",
-      "requires": {
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-        "tmp": "0.0.31"
-      },
-      "dependencies": {
-        "lru-cache": {
-          "version": "2.2.4",
-          "resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-2.2.4.tgz",
-          "integrity": "sha1-bGWGGb7PFAMdDQtZSxYELOTcBj0="
-        }
-      }
-    },
     "util": {
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       "resolved": "https://registry.npmjs.org/util/-/util-0.10.3.tgz",
@@ -8460,7 +8820,7 @@
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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=="
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     "wallaby-webpack": {
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@@ -8970,11 +9330,6 @@
         "ultron": "1.0.2"
       }
     },
-    "wtf-8": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/wtf-8/-/wtf-8-1.0.0.tgz",
-      "integrity": "sha1-OS2LotDxw00e4tYw8V0O+2jhBIo="
-    },
     "xml-char-classes": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/xml-char-classes/-/xml-char-classes-1.0.0.tgz",
@@ -8999,11 +9354,6 @@
       "resolved": "https://registry.npmjs.org/xmldom/-/xmldom-0.1.27.tgz",
       "integrity": "sha1-1QH5ezvbQDr4757MIFcxh6rawOk="
     },
-    "xmlhttprequest-ssl": {
-      "version": "1.5.3",
-      "resolved": "https://registry.npmjs.org/xmlhttprequest-ssl/-/xmlhttprequest-ssl-1.5.3.tgz",
-      "integrity": "sha1-GFqIjATspGw+QHDZn3tJ3jUomS0="
-    },
     "xtend": {
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       "resolved": "https://registry.npmjs.org/xtend/-/xtend-4.0.1.tgz",
@@ -9091,11 +9441,6 @@
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       }
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-    "yeast": {
-      "version": "0.1.2",
-      "resolved": "https://registry.npmjs.org/yeast/-/yeast-0.1.2.tgz",
-      "integrity": "sha1-AI4G2AlDIMNy28L47XagymyKxBk="
-    },
     "yn": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/yn/-/yn-2.0.0.tgz",
diff --git a/package.json b/package.json
index c4ef5a0..2e842ab 100644
--- a/package.json
+++ b/package.json
@@ -25,7 +25,7 @@
     "html-webpack-plugin": "^2.30.1",
     "http-server": "^0.10.0",
     "jasmine-core": "^2.8.0",
-    "karma": "^1.7.1",
+    "karma": "^6.4.1",
     "karma-jasmine": "^1.1.0",
     "karma-phantomjs-launcher": "^1.0.4",
     "karma-sourcemap-loader": "^0.3.7",