diff --git a/index.js b/index.js
index db9809d..9e353f8 100644
--- a/index.js
+++ b/index.js
@@ -1,5 +1,5 @@
 const _ = require('lodash');
-const dotify = require('node-dotify');
+const dotify = require('@ladjs/node-dotify');
 
 const pickOriginal = function(transformed, original) {
   const obj = {};
diff --git a/package.json b/package.json
index dd68a63..4713091 100644
--- a/package.json
+++ b/package.json
@@ -16,13 +16,14 @@
     "Nick Baugh <niftylettuce@gmail.com> (http://niftylettuce.com/)"
   ],
   "dependencies": {
-    "lodash": "^4.17.15",
-    "node-dotify": "^1.0.1"
+    "@ladjs/node-dotify": "^1.0.2",
+    "lodash": "^4.17.15"
   },
   "devDependencies": {
     "@commitlint/cli": "latest",
     "@commitlint/config-conventional": "latest",
     "ava": "latest",
+    "bson-objectid": "^1.3.0",
     "codecov": "latest",
     "cross-env": "latest",
     "eslint": "6.x",
diff --git a/test/test.js b/test/test.js
index 566b0bc..8272e10 100644
--- a/test/test.js
+++ b/test/test.js
@@ -1,3 +1,4 @@
+const ObjectID = require('bson-objectid');
 const test = require('ava');
 
 const pickOriginal = require('..');
@@ -65,3 +66,20 @@ test('picks original', t => {
     }
   );
 });
+
+test('works with mongodb objectid', t => {
+  const _id = new ObjectID();
+  t.deepEqual(
+    pickOriginal(
+      {
+        _id
+      },
+      {
+        _id
+      }
+    ),
+    {
+      _id
+    }
+  );
+});
diff --git a/yarn.lock b/yarn.lock
index e91c1fa..b014c73 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -330,6 +330,13 @@
   resolved "https://registry.yarnpkg.com/@istanbuljs/schema/-/schema-0.1.2.tgz#26520bf09abe4a5644cd5414e37125a8954241dd"
   integrity sha512-tsAQNx32a8CoFhjhijUIhI4kccIAgmGhy8LZMZgGfmXcpMbPRUqn5LWmgRttILi6yeGmBJd2xsPkFMs0PzgPCw==
 
+"@ladjs/node-dotify@^1.0.2":
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/@ladjs/node-dotify/-/node-dotify-1.0.2.tgz#4b83595528e58224374820a346e1ab84492648b8"
+  integrity sha512-6uAJllEitRqZPj4gBvmz3VkPgMfrukeBZJz0sjdVAQbwRHJR3i1CmM48LUMRlNKpuRV2EEw+ufkdKUda+kHE5g==
+  dependencies:
+    bson-objectid "^1.3.0"
+
 "@marionebl/sander@^0.6.0":
   version "0.6.1"
   resolved "https://registry.yarnpkg.com/@marionebl/sander/-/sander-0.6.1.tgz#1958965874f24bc51be48875feb50d642fc41f7b"
@@ -889,6 +896,11 @@ braces@^3.0.1, braces@~3.0.2:
   dependencies:
     fill-range "^7.0.1"
 
+bson-objectid@^1.3.0:
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/bson-objectid/-/bson-objectid-1.3.0.tgz#f0f4c7c949fece975f12790510d75d7fe39fb456"
+  integrity sha512-YcB+lRJEEEIcHNLKyhmHujW7OCVE3+xr9IpEhlprBZnXgF3hqeePeexIsAaOtu1SbkgZRlJVUxvYZ3ngUOyIew==
+
 buf-compare@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/buf-compare/-/buf-compare-1.0.1.tgz#fef28da8b8113a0a0db4430b0b6467b69730b34a"
@@ -1922,9 +1934,9 @@ eslint-plugin-unicorn@^12.0.0:
     semver "^6.3.0"
 
 eslint-rule-docs@^1.1.5:
-  version "1.1.192"
-  resolved "https://registry.yarnpkg.com/eslint-rule-docs/-/eslint-rule-docs-1.1.192.tgz#ab231913923a508eaa65d24e17ba08ab3bc3f935"
-  integrity sha512-6l6y5X7foq4tkTv9JEGRezAcajiw3pfBUkNt2rEEXnM7D+US3TkbQ4C7F41zaMbf7wkGBOlscdAkNj8zQz/wFA==
+  version "1.1.193"
+  resolved "https://registry.yarnpkg.com/eslint-rule-docs/-/eslint-rule-docs-1.1.193.tgz#caaf47dd39663ef4ecd5347465a9b274e9f37be9"
+  integrity sha512-LhMUMMEPK3X/gTyU3wrpeVoc479n7gOPn1oaIhX1mxdZW6MIfFqB84we+bVivKk1Q9Z00tlD72KMEwzazz/ivQ==
 
 eslint-scope@^5.0.0:
   version "5.0.0"
@@ -4078,11 +4090,6 @@ nlcst-to-string@^2.0.0:
   resolved "https://registry.yarnpkg.com/nlcst-to-string/-/nlcst-to-string-2.0.4.tgz#9315dfab80882bbfd86ddf1b706f53622dc400cc"
   integrity sha512-3x3jwTd6UPG7vi5k4GEzvxJ5rDA7hVUIRNHPblKuMVP9Z3xmlsd9cgLcpAMkc5uPOBna82EeshROFhsPkbnTZg==
 
-node-dotify@^1.0.1:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/node-dotify/-/node-dotify-1.0.1.tgz#ab2eab6d4a01ce37c61a04983c763ed07c29fe46"
-  integrity sha1-qy6rbUoBzjfGGgSYPHY+0Hwp/kY=
-
 node-fetch@^2.2.0:
   version "2.6.0"
   resolved "https://registry.yarnpkg.com/node-fetch/-/node-fetch-2.6.0.tgz#e633456386d4aa55863f676a7ab0daa8fdecb0fd"