diff --git a/package.json b/package.json
index 335185f..ce3a91f 100644
--- a/package.json
+++ b/package.json
@@ -26,7 +26,7 @@
     "@worldbrain/memex-storex-hub": "^0.1.2",
     "socket.io-client": "^2.3.0",
     "isomorphic-ws": "^4.0.1",
-    "lodash": "^4.17.10"
+    "lodash": "^4.17.21"
   },
   "devDependencies": {
     "@types/expect": "^1.20.4",
diff --git a/yarn.lock b/yarn.lock
index fa23ba7..80ad9e8 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5741,15 +5741,10 @@ lodash.xor@^4.5.0:
   resolved "https://registry.yarnpkg.com/lodash.xor/-/lodash.xor-4.5.0.tgz#4d48ed7e98095b0632582ba714d3ff8ae8fb1db6"
   integrity sha1-TUjtfpgJWwYyWCunFNP/iuj7HbY=
 
-lodash@^4.17.10:
-  version "4.17.15"
-  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.15.tgz#b447f6670a0455bbfeedd11392eff330ea097548"
-  integrity sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A==
-
-lodash@^4.17.11, lodash@^4.17.19, lodash@^4.17.4:
-  version "4.17.20"
-  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.20.tgz#b44a9b6297bcb698f1c51a3545a2b3b368d59c52"
-  integrity sha512-PlhdFcillOINfeV7Ni6oF1TAEayyZBoZ8bcshTHqOYJYlrqzRK5hagpagky5o4HfCzzd1TRkXPMFq6cKk9rGmA==
+lodash@^4.17.10, lodash@^4.17.11, lodash@^4.17.19, lodash@^4.17.21, lodash@^4.17.4:
+  version "4.17.21"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.21.tgz#679591c564c3bffaae8454cf0b3df370c3d6911c"
+  integrity sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg==
 
 logic-solver@^2.0.1:
   version "2.0.1"