diff --git a/package.json b/package.json
index fec0d56..e9c0ecf 100644
--- a/package.json
+++ b/package.json
@@ -29,7 +29,7 @@
     "baconjs": "^0.7.82",
     "esm": "^3.2.25",
     "eval": "^0.1.1",
-    "lodash": "^4.17.19",
+    "lodash": "^4.17.21",
     "md5": "^2.0.0"
   },
   "devDependencies": {
diff --git a/yarn.lock b/yarn.lock
index b3fa8d1..2ab044f 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1285,10 +1285,10 @@ locate-path@^3.0.0:
     p-locate "^3.0.0"
     path-exists "^3.0.0"
 
-lodash@^4.17.12, lodash@^4.17.14, lodash@^4.17.15, lodash@^4.17.19, lodash@^4.17.4:
-  version "4.17.19"
-  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.19.tgz#e48ddedbe30b3321783c5b4301fbd353bc1e4a4b"
-  integrity sha512-JNvd8XER9GQX0v2qJgsaN/mzFCNA5BRe/j8JN9d+tWyGLSodKQHKFicdwNYzWwI3wjRnaKPsGj1XkBjx/F96DQ==
+lodash@^4.17.12, lodash@^4.17.14, lodash@^4.17.15, 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==
 
 log-symbols@2.2.0, log-symbols@^2.0.0:
   version "2.2.0"