diff --git a/package-lock.json b/package-lock.json
index 4a379bf..2440712 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1816,9 +1816,9 @@
       }
     },
     "lodash": {
-      "version": "4.17.19",
-      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.19.tgz",
-      "integrity": "sha512-JNvd8XER9GQX0v2qJgsaN/mzFCNA5BRe/j8JN9d+tWyGLSodKQHKFicdwNYzWwI3wjRnaKPsGj1XkBjx/F96DQ=="
+      "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 04721ce..75a9917 100644
--- a/package.json
+++ b/package.json
@@ -55,7 +55,7 @@
   },
   "homepage": "https://github.com/alykoshin/micromongo",
   "dependencies": {
-    "lodash": "^4.17.19",
+    "lodash": "^4.17.21",
     "mini-deep-assign": "^0.0.8",
     "minimist": "^1.2.5",
     "nyc": "^15.1.0"