diff --git a/npm-shrinkwrap.json b/npm-shrinkwrap.json
index e3bf179..c048cc8 100644
--- a/npm-shrinkwrap.json
+++ b/npm-shrinkwrap.json
@@ -8488,9 +8488,9 @@
       }
     },
     "lodash": {
-      "version": "4.17.14",
-      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.14.tgz",
-      "integrity": "sha512-mmKYbW3GLuJeX+iGP+Y7Gp1AiGHGbXHCOh/jZmrawMmsE7MS4znI3RL2FsjbqOyMayHInjOeykW7PEajUk1/xw=="
+      "version": "4.17.21",
+      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.21.tgz",
+      "integrity": "sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg=="
     },
     "lodash.flattendeep": {
       "version": "4.4.0",
diff --git a/package.json b/package.json
index 995b45e..e50d983 100644
--- a/package.json
+++ b/package.json
@@ -43,7 +43,7 @@
     "heap": "0.2.6",
     "level-sublevel": "6.6.4",
     "levelup": "3.1.1",
-    "lodash": "4.17.14",
+    "lodash": "4.17.21",
     "merkle-patricia-tree": "2.3.2",
     "random-sort": "^2.6.9",
     "seedrandom": "3.0.1",