diff --git a/package.json b/package.json
index 65b3ab8..5bdf571 100644
--- a/package.json
+++ b/package.json
@@ -4,7 +4,7 @@
     "koa": "^2.11.0",
     "koa-bodyparser": "^4.2.1",
     "koa-router": "^7.4.0",
-    "lodash": "^4.17.19",
+    "lodash": "^4.17.21",
     "sequelize": "^5.21.2",
     "sqlite3": "^4.1.1"
   },
diff --git a/yarn.lock b/yarn.lock
index 8d34d9c..7413f50 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -996,10 +996,10 @@ latest-version@^3.0.0:
   dependencies:
     package-json "^4.0.0"
 
-lodash@^4.17.15, lodash@^4.17.19:
-  version "4.17.19"
-  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.19.tgz#e48ddedbe30b3321783c5b4301fbd353bc1e4a4b"
-  integrity sha512-JNvd8XER9GQX0v2qJgsaN/mzFCNA5BRe/j8JN9d+tWyGLSodKQHKFicdwNYzWwI3wjRnaKPsGj1XkBjx/F96DQ==
+lodash@^4.17.15, 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"