diff --git a/yarn.lock b/yarn.lock
index db5fcd1..d04bcf7 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -232,13 +232,6 @@
     "@schematics/angular" "8.3.2"
     parse5-html-rewriting-stream "5.1.0"
 
-"@angular/router@~8.2.4":
-  version "8.2.4"
-  resolved "https://registry.yarnpkg.com/@angular/router/-/router-8.2.4.tgz#035b4e8e3de03214ee46b6808175b51f25f6eb41"
-  integrity sha512-ZJwsztlD1vbb2HF9SgvHfpIK82BkOlDP2OmdZZavnxV7RstbU5hUkJ4lB4JB/EN9B76djo117CwOxxIveOhJMQ==
-  dependencies:
-    tslib "^1.9.0"
-
 "@angular/service-worker@~8.2.4":
   version "8.2.4"
   resolved "https://registry.yarnpkg.com/@angular/service-worker/-/service-worker-8.2.4.tgz#6a523fac1ac6bf3f9a2a177f0f89da709ae1e359"
@@ -1746,9 +1739,9 @@ bluebird@^3.3.0, bluebird@^3.5.1, bluebird@^3.5.3, bluebird@^3.5.5:
   integrity sha512-5am6HnnfN+urzt4yfg7IgTbotDjIT/u8AJpEt0sIU9FtXfVeezXAPKswrG+xKUCOYAINpSdgZVDU6QFh+cuH3w==
 
 bn.js@^4.0.0, bn.js@^4.1.0, bn.js@^4.1.1, bn.js@^4.4.0:
-  version "4.11.8"
-  resolved "https://registry.yarnpkg.com/bn.js/-/bn.js-4.11.8.tgz#2cde09eb5ee341f484746bb0309b3253b1b1442f"
-  integrity sha512-ItfYfPLkWHUjckQCk8xC+LwxgK8NYcXywGigJgSwOP8Y2iyWT4f2vsZnoOXTTbo+o5yXmIUJ4gn5538SO5S3gA==
+  version "4.11.9"
+  resolved "https://registry.yarnpkg.com/bn.js/-/bn.js-4.11.9.tgz#26d556829458f9d1e81fc48952493d0ba3507828"
+  integrity sha512-E6QoYqCKZfgatHTdHzs1RRKP7ip4vvm+EyRUeE2RF0NblwVvb0p6jSVeNTOFxPn26QXN2o6SMfNxKp6kU8zQaw==
 
 body-parser@1.19.0, body-parser@^1.16.1:
   version "1.19.0"
@@ -2888,9 +2881,9 @@ electron-to-chromium@^1.3.191:
   integrity sha512-nEfPd2EKnFeLuZ/+JsRG3KixRQwWf2SPpp09ftNt5ouGhg408N759+oXvdXy57+TcM34ykfJYj2JMkc1O3R0lQ==
 
 elliptic@^6.0.0:
-  version "6.5.0"
-  resolved "https://registry.yarnpkg.com/elliptic/-/elliptic-6.5.0.tgz#2b8ed4c891b7de3200e14412a5b8248c7af505ca"
-  integrity sha512-eFOJTMyCYb7xtE/caJ6JJu+bhi67WCYNbkGSknu20pmM8Ke/bqOfdnZWxyoGN26JgfxTbXrsCkEw4KheCT/KGg==
+  version "6.5.3"
+  resolved "https://registry.yarnpkg.com/elliptic/-/elliptic-6.5.3.tgz#cb59eb2efdaf73a0bd78ccd7015a62ad6e0f93d6"
+  integrity sha512-IMqzv5wNQf+E6aHeIqATs0tOLeOTwj1QKbRcS3jBbYkl5oLAserA8yJTT7/VyHUYG91PRmPyeQDObKLPpeS4dw==
   dependencies:
     bn.js "^4.4.0"
     brorand "^1.0.1"