diff --git a/package.json b/package.json
index 5ee21c5..88fe660 100644
--- a/package.json
+++ b/package.json
@@ -14,7 +14,7 @@
     "axios": "^0.18.1",
     "hapi": "^16.1.0",
     "jfile": "^1.1.12",
-    "lodash": "^4.17.4",
+    "lodash": "^4.17.21",
     "memory-cache": "^0.1.6"
   }
 }
diff --git a/yarn.lock b/yarn.lock
index 1785417..eea54a2 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -152,9 +152,9 @@ joi@10.x.x:
     items "2.x.x"
     topo "2.x.x"
 
-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:
+  version "4.17.21"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.21.tgz#679591c564c3bffaae8454cf0b3df370c3d6911c"
 
 memory-cache@^0.1.6:
   version "0.1.6"