diff --git a/core/package-lock.json b/core/package-lock.json
index c3b18f5..7f8eff8 100644
--- a/core/package-lock.json
+++ b/core/package-lock.json
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             "resolved": "https://registry.npmjs.org/yargs/-/yargs-13.1.0.tgz",
@@ -11423,12 +9584,6 @@
                 "decamelize": "^1.2.0"
             }
         },
-        "yeast": {
-            "version": "0.1.2",
-            "resolved": "https://registry.npmjs.org/yeast/-/yeast-0.1.2.tgz",
-            "integrity": "sha1-AI4G2AlDIMNy28L47XagymyKxBk=",
-            "dev": true
-        },
         "zone.js": {
             "version": "0.8.26",
             "resolved": "https://registry.npmjs.org/zone.js/-/zone.js-0.8.26.tgz",
diff --git a/core/package.json b/core/package.json
index e7a86d7..aab4dd2 100644
--- a/core/package.json
+++ b/core/package.json
@@ -63,7 +63,7 @@
         "css-loader": "0.28.11",
         "istanbul-instrumenter-loader": "3.0.1",
         "jasmine-core": "3.1.0",
-        "karma": "2.0.2",
+        "karma": "6.4.1",
         "karma-chrome-launcher": "2.2.0",
         "karma-coverage-istanbul-reporter": "1.4.2",
         "karma-jasmine": "1.1.2",