diff --git a/package.json b/package.json
index 9da378a..8dc9b72 100644
--- a/package.json
+++ b/package.json
@@ -56,7 +56,7 @@
     "feathers-nedb": "^4.0.0",
     "feathers-reactive": "^0.7.2",
     "helmet": "^3.13.0",
-    "lodash": "^4.17.10",
+    "lodash": "^4.17.21",
     "mithril": "^2.0.0-rc.1",
     "nedb": "^1.8.0",
     "socket.io-client": "^2.1.1",
diff --git a/yarn.lock b/yarn.lock
index 36c277e..20e3eb3 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -6685,10 +6685,10 @@ lodash.uniq@^4.5.0:
   resolved "https://registry.yarnpkg.com/lodash.uniq/-/lodash.uniq-4.5.0.tgz#d0225373aeb652adc1bc82e4945339a842754773"
   integrity sha1-0CJTc662Uq3BvILklFM5qEJ1R3M=
 
-lodash@^4.0.0, lodash@^4.13.1, lodash@^4.17.10, lodash@^4.17.11, lodash@^4.17.3, lodash@^4.17.4, lodash@^4.17.5, lodash@~4.17.10:
-  version "4.17.11"
-  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.11.tgz#b39ea6229ef607ecd89e2c8df12536891cac9b8d"
-  integrity sha512-cQKh8igo5QUhZ7lg38DYWAxMvjSAKG0A8wGSVimP07SIUEK2UO+arSRKbRZWtelMtN5V0Hkwh5ryOto/SshYIg==
+lodash@^4.0.0, lodash@^4.13.1, lodash@^4.17.10, lodash@^4.17.11, lodash@^4.17.21, lodash@^4.17.3, lodash@^4.17.4, lodash@^4.17.5, lodash@~4.17.10:
+  version "4.17.21"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.21.tgz#679591c564c3bffaae8454cf0b3df370c3d6911c"
+  integrity sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg==
 
 log-symbols@^2.0.0:
   version "2.2.0"