diff --git a/packages/eventsourcing-redux-chat-example/yarn.lock b/packages/eventsourcing-redux-chat-example/yarn.lock
index 7e28488..645b43c 100644
--- a/packages/eventsourcing-redux-chat-example/yarn.lock
+++ b/packages/eventsourcing-redux-chat-example/yarn.lock
@@ -4848,10 +4848,10 @@ locate-path@^3.0.0:
     p-locate "^3.0.0"
     path-exists "^3.0.0"
 
-lodash-es@^4.17.11:
-  version "4.17.11"
-  resolved "https://registry.yarnpkg.com/lodash-es/-/lodash-es-4.17.11.tgz#145ab4a7ac5c5e52a3531fb4f310255a152b4be0"
-  integrity sha512-DHb1ub+rMjjrxqlB3H56/6MXtm1lSksDp2rA2cNWjG8mlDUYFhUj3Di2Zn5IwSU87xLv8tNIQ7sSwE/YOX/D/Q==
+lodash-es@4.17.21, lodash-es@^4.17.11:
+  version "4.17.21"
+  resolved "https://registry.yarnpkg.com/lodash-es/-/lodash-es-4.17.21.tgz#43e626c46e6591b7750beb2b50117390c609e3ee"
+  integrity sha512-mKnC+QJ9pWVzv+C4/U3rRsHapFfHvQFoFB92e52xeyGMcX6/OlIl78je1u8vePzYZSkkogMPJ2yjxxsb89cxyw==
 
 lodash._basecopy@^3.0.0:
   version "3.0.1"
diff --git a/yarn.lock b/yarn.lock
index 99e37c8..7cb5cb8 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -8457,9 +8457,9 @@ locate-path@^5.0.0:
     p-locate "^4.1.0"
 
 lodash-es@^4.17.11, lodash-es@^4.17.14:
-  version "4.17.15"
-  resolved "https://registry.yarnpkg.com/lodash-es/-/lodash-es-4.17.15.tgz#21bd96839354412f23d7a10340e5eac6ee455d78"
-  integrity sha512-rlrc3yU3+JNOpZ9zj5pQtxnx2THmvRykwL4Xlxoa8I9lHBlVbbyPhgyPMioxVZ4NqyxaVVtaJnzsyOidQIhyyQ==
+  version "4.17.21"
+  resolved "https://registry.yarnpkg.com/lodash-es/-/lodash-es-4.17.21.tgz#43e626c46e6591b7750beb2b50117390c609e3ee"
+  integrity sha512-mKnC+QJ9pWVzv+C4/U3rRsHapFfHvQFoFB92e52xeyGMcX6/OlIl78je1u8vePzYZSkkogMPJ2yjxxsb89cxyw==
 
 lodash._reinterpolate@^3.0.0:
   version "3.0.0"