diff --git a/package.json b/package.json
index 15f5197..2bf550d 100644
--- a/package.json
+++ b/package.json
@@ -58,6 +58,6 @@
   },
   "dependencies": {
     "fibers": "^3.1.1",
-    "lodash": "^4.17.13"
+    "lodash": "^4.17.21"
   }
 }
diff --git a/yarn.lock b/yarn.lock
index 155fc42..c79bf38 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2487,10 +2487,10 @@ lodash.pick@^4.4.0:
   resolved "https://registry.yarnpkg.com/lodash.pick/-/lodash.pick-4.4.0.tgz#52f05610fff9ded422611441ed1fc123a03001b3"
   integrity sha1-UvBWEP/53tQiYRRB7R/BI6AwAbM=
 
-lodash@^4.17.11, lodash@^4.17.13, lodash@^4.17.4, lodash@^4.17.5, lodash@^4.3.0:
-  version "4.17.13"
-  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.13.tgz#0bdc3a6adc873d2f4e0c4bac285df91b64fc7b93"
-  integrity sha512-vm3/XWXfWtRua0FkUyEHBZy8kCPjErNBT9fJx8Zvs+U6zjqPbTUOpkaoum3O5uiA8sm+yNMHXfYkTUHFoMxFNA==
+lodash@^4.17.11, lodash@^4.17.21, lodash@^4.17.4, lodash@^4.17.5, lodash@^4.3.0:
+  version "4.17.21"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.21.tgz#679591c564c3bffaae8454cf0b3df370c3d6911c"
+  integrity sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg==
 
 loose-envify@^1.4.0:
   version "1.4.0"