diff --git a/package.json b/package.json
index 86d33ef..fb2899a 100644
--- a/package.json
+++ b/package.json
@@ -77,7 +77,7 @@
     "d3": "^4.4.1",
     "d3kit": "^3.2.0",
     "heap": "^0.2.6",
-    "lodash": "^4.17.4",
+    "lodash": "^4.17.21",
     "webcola": "^3.3.0"
   }
 }
diff --git a/yarn.lock b/yarn.lock
index a9f8cde..e787250 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3525,10 +3525,15 @@ lodash@^3.10.1, lodash@^3.8.0:
   version "3.10.1"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-3.10.1.tgz#5bf45e8e49ba4189e17d482789dfd15bd140b7b6"
 
-lodash@^4.0.0, lodash@^4.0.1, lodash@^4.14.0, lodash@^4.17.4, lodash@^4.2.0, lodash@^4.3.0:
+lodash@^4.0.0, lodash@^4.0.1, lodash@^4.14.0, lodash@^4.2.0, lodash@^4.3.0:
   version "4.17.4"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.4.tgz#78203a4d1c328ae1d86dca6460e369b57f4055ae"
 
+lodash@^4.17.21:
+  version "4.17.21"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.21.tgz#679591c564c3bffaae8454cf0b3df370c3d6911c"
+  integrity sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg==
+
 lodash@~1.0.1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-1.0.2.tgz#8f57560c83b59fc270bd3d561b690043430e2551"