diff --git a/package.json b/package.json
index 4669413..1a21ed3 100644
--- a/package.json
+++ b/package.json
@@ -17,7 +17,7 @@
     "async-middleware": "^1.2.1",
     "content-disposition": "^0.5.3",
     "express": "^4.17.1",
-    "lodash": "^4.17.15",
+    "lodash": "^4.17.21",
     "mime-types": "^2.1.24",
     "multer": "^1.4.2",
     "pad": "^3.2.0",
diff --git a/yarn.lock b/yarn.lock
index a89dbd4..162f245 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1178,10 +1178,10 @@ latest-version@^3.0.0:
   dependencies:
     package-json "^4.0.0"
 
-lodash@^4.17.15:
-  version "4.17.15"
-  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.15.tgz#b447f6670a0455bbfeedd11392eff330ea097548"
-  integrity sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A==
+lodash@^4.17.21:
+  version "4.17.21"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.21.tgz#679591c564c3bffaae8454cf0b3df370c3d6911c"
+  integrity sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg==
 
 lowercase-keys@^1.0.0:
   version "1.0.1"