diff --git a/yarn.lock b/yarn.lock
index b1c79c0..f8f9633 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1118,7 +1118,7 @@ date-time@^0.1.1:
   version "0.1.1"
   resolved "https://registry.yarnpkg.com/date-time/-/date-time-0.1.1.tgz#ed2f6d93d9790ce2fd66d5b5ff3edd5bbcbf3b07"
 
-debug@2.2.x, debug@^2.1.1, debug@^2.2.0:
+debug@^2.1.1, debug@^2.2.0:
   version "2.2.0"
   resolved "https://registry.yarnpkg.com/debug/-/debug-2.2.0.tgz#f87057e995b1a1f6ae6a4960664137bc56f039da"
   dependencies:
@@ -1799,8 +1799,8 @@ lodash.difference@^4.3.0:
   resolved "https://registry.yarnpkg.com/lodash.difference/-/lodash.difference-4.5.0.tgz#9ccb4e505d486b91651345772885a2df27fd017c"
 
 lodash@^4.2.0:
-  version "4.17.4"
-  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.4.tgz#78203a4d1c328ae1d86dca6460e369b57f4055ae"
+  version "4.17.21"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.21.tgz#679591c564c3bffaae8454cf0b3df370c3d6911c"
 
 log-symbols@^1.0.2:
   version "1.0.2"