diff --git a/package.json b/package.json
index cf227e1..226750e 100644
--- a/package.json
+++ b/package.json
@@ -31,7 +31,7 @@
     "crossfilter": "^1.3.12",
     "d3": "^3.5.17",
     "gmaps-marker-clusterer": "^1.2.2",
-    "lodash": "^4.17.4",
+    "lodash": "^4.17.21",
     "quick-hull-2d": "^0.1.0",
     "randomcolor": "^0.5.0"
   }
diff --git a/yarn.lock b/yarn.lock
index 45257e7..29beb43 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1999,9 +1999,9 @@ lodash.uniq@^4.5.0:
   version "4.5.0"
   resolved "https://registry.yarnpkg.com/lodash.uniq/-/lodash.uniq-4.5.0.tgz#d0225373aeb652adc1bc82e4945339a842754773"
 
-lodash@^4.14.0, lodash@^4.17.4:
-  version "4.17.4"
-  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.4.tgz#78203a4d1c328ae1d86dca6460e369b57f4055ae"
+lodash@^4.14.0, lodash@^4.17.21, lodash@^4.17.4:
+  version "4.17.21"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.21.tgz#679591c564c3bffaae8454cf0b3df370c3d6911c"
 
 longest@^1.0.1:
   version "1.0.1"