diff --git a/yarn.lock b/yarn.lock
index db5fcd1..4c17a22 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"
@@ -1232,9 +1225,9 @@ accepts@~1.3.4, accepts@~1.3.5, accepts@~1.3.7:
     negotiator "0.6.2"
 
 acorn@^6.2.1:
-  version "6.3.0"
-  resolved "https://registry.yarnpkg.com/acorn/-/acorn-6.3.0.tgz#0087509119ffa4fc0a0041d1e93a417e68cb856e"
-  integrity sha512-/czfa8BwS88b9gWQVhc8eknunSA2DoJpJyTQkhheIf5E48u1N0R4q/YxxsAeqRrmK9TQ/uYfgLDfZo91UlANIA==
+  version "6.4.1"
+  resolved "https://registry.yarnpkg.com/acorn/-/acorn-6.4.1.tgz#531e58ba3f51b9dacb9a6646ca4debf5b14ca474"
+  integrity sha512-ZVA9k326Nwrj3Cj9jlh3wGFutC2ZornPNARZwsNYqQYgN0EsV2d53w5RN/co65Ohn4sUAUtb1rSUAOD6XN9idA==
 
 adm-zip@^0.4.9:
   version "0.4.13"