diff --git a/yarn.lock b/yarn.lock
index f46c25c..1a66223 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2012,7 +2012,7 @@ core-js@^1.0.0:
   resolved "https://registry.yarnpkg.com/core-js/-/core-js-1.2.7.tgz#652294c14651db28fa93bd2d5ff2983a4f08c636"
   integrity sha1-ZSKUwUZR2yj6k70tX/KYOk8IxjY=
 
-core-js@^2.4.0, core-js@^2.5.3, core-js@^2.6.5:
+core-js@^2.4.0, core-js@^2.6.5:
   version "2.6.11"
   resolved "https://registry.yarnpkg.com/core-js/-/core-js-2.6.11.tgz#38831469f9922bded8ee21c9dc46985e0399308c"
   integrity sha512-5wjnpaT/3dV+XB4borEsnAYQchn00XSgTAWKDkEqv+K8KevjbzmofK6hfJ9TZIlpj2N0xQpazy7PiRQiWHqzWg==
@@ -2602,9 +2602,9 @@ fbjs@^0.8.15, fbjs@^0.8.16, fbjs@^0.8.9:
     ua-parser-js "^0.7.18"
 
 figgy-pudding@^3.5.1:
-  version "3.5.1"
-  resolved "https://registry.yarnpkg.com/figgy-pudding/-/figgy-pudding-3.5.1.tgz#862470112901c727a0e495a80744bd5baa1d6790"
-  integrity sha512-vNKxJHTEKNThjfrdJwHc7brvM6eVevuO5nTj6ez8ZQ1qbXTvGthucRF7S4vf2cr71QVnT70V34v0S1DyQsti0w==
+  version "3.5.2"
+  resolved "https://registry.yarnpkg.com/figgy-pudding/-/figgy-pudding-3.5.2.tgz#b4eee8148abb01dcf1d1ac34367d59e12fa61d6e"
+  integrity sha512-0btnI/H8f2pavGMN8w40mlSKOfTK2SVJmBfBeVIj3kNw0swwgzyRq0d5TJVOwodFmtvpPeWPN/MCcfuWF0Ezbw==
 
 file-loader@4.2.0:
   version "4.2.0"
@@ -3570,15 +3570,6 @@ map-visit@^1.0.0:
   dependencies:
     object-visit "^1.0.0"
 
-markdown-navbar@^1.1.2:
-  version "1.1.2"
-  resolved "https://registry.yarnpkg.com/markdown-navbar/-/markdown-navbar-1.1.2.tgz#8d8fa0d7dce44e62695e627e3a2146c1b64dad60"
-  integrity sha512-A1ql1Eq86Jonl/4fXN5h3iP/RqnnG823GHDfKLX76SV76xZa5QmGYuGLx1r/yKe/JwscqzxUYTk5Qy++OqlT3g==
-  dependencies:
-    core-js "^2.5.3"
-    prop-types "^15.6.0"
-    react "^16.2.0"
-
 marked@^0.8.0:
   version "0.8.0"
   resolved "https://registry.yarnpkg.com/marked/-/marked-0.8.0.tgz#ec5c0c9b93878dc52dd54be8d0e524097bd81a99"
@@ -5417,7 +5408,7 @@ react-slick@~0.25.2:
     lodash.debounce "^4.0.8"
     resize-observer-polyfill "^1.5.0"
 
-react@16.12.0, react@^16.2.0:
+react@16.12.0:
   version "16.12.0"
   resolved "https://registry.yarnpkg.com/react/-/react-16.12.0.tgz#0c0a9c6a142429e3614834d5a778e18aa78a0b83"
   integrity sha512-fglqy3k5E+81pA8s+7K0/T3DBCF0ZDOher1elBFzF7O6arXJgzyu/FW+COxFvAWXJoJN9KIZbT2LXlukwphYTA==
@@ -5885,9 +5876,9 @@ sprintf-js@~1.0.2:
   integrity sha1-BOaSb2YolTVPPdAVIDYzuFcpfiw=
 
 ssri@^6.0.1:
-  version "6.0.1"
-  resolved "https://registry.yarnpkg.com/ssri/-/ssri-6.0.1.tgz#2a3c41b28dd45b62b63676ecb74001265ae9edd8"
-  integrity sha512-3Wge10hNcT1Kur4PDFwEieXSCMCJs/7WvSACcrMYrNp+b8kDL1/0wJch5Ni2WrtwEa2IO8OsVfeKIciKCDx/QA==
+  version "6.0.2"
+  resolved "https://registry.yarnpkg.com/ssri/-/ssri-6.0.2.tgz#157939134f20464e7301ddba3e90ffa8f7728ac5"
+  integrity sha512-cepbSq/neFK7xB6A50KHN0xHDotYzq58wWCa5LeWqnPrHG8GzfEjO/4O8kpmcGW+oaxkvhEJCWgbgNk4/ZV93Q==
   dependencies:
     figgy-pudding "^3.5.1"