diff --git a/package-lock.json b/package-lock.json
index 187e5a1..8db7893 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -936,6 +936,21 @@
       "resolved": "https://registry.npmjs.org/lodash.get/-/lodash.get-4.4.2.tgz",
       "integrity": "sha1-LRd/ZS+jHpObRDjVNBSZ36OCXpk="
     },
+    "lodash.omit": {
+      "version": "4.5.0",
+      "resolved": "https://registry.npmjs.org/lodash.omit/-/lodash.omit-4.5.0.tgz",
+      "integrity": "sha1-brGa5aHuHdnfC5aeZs4Lf6MLXmA="
+    },
+    "lodash.omitby": {
+      "version": "4.6.0",
+      "resolved": "https://registry.npmjs.org/lodash.omitby/-/lodash.omitby-4.6.0.tgz",
+      "integrity": "sha1-XBX/R1StVVAWtTwEExHo8HkgR5E="
+    },
+    "lodash.partial": {
+      "version": "4.2.1",
+      "resolved": "https://registry.npmjs.org/lodash.partial/-/lodash.partial-4.2.1.tgz",
+      "integrity": "sha1-SfPYz9qjv/izqR0SfpIyRUGJYdQ="
+    },
     "lolex": {
       "version": "2.7.4",
       "resolved": "https://registry.npmjs.org/lolex/-/lolex-2.7.4.tgz",
@@ -1622,11 +1637,6 @@
       "dev": true,
       "optional": true
     },
-    "underscore": {
-      "version": "1.9.1",
-      "resolved": "https://registry.npmjs.org/underscore/-/underscore-1.9.1.tgz",
-      "integrity": "sha512-5/4etnCkd9c8gwgowi5/om/mYO5ajCaOgdzj/oW+0eQV9WxKBDZw5+ycmKmeaTXjInS/W0BzpGLo2xR2aBwZdg=="
-    },
     "unicode-5.2.0": {
       "version": "0.7.5",
       "resolved": "https://registry.npmjs.org/unicode-5.2.0/-/unicode-5.2.0-0.7.5.tgz",
diff --git a/package.json b/package.json
index 219d28a..fc9cfaa 100644
--- a/package.json
+++ b/package.json
@@ -9,13 +9,15 @@
     "expect.js": "^0.3.1",
     "express": "^4.16.3",
     "json3": "^3.3.2",
+    "lodash.omit": "^4.5.0",
+    "lodash.omitby": "^4.6.0",
+    "lodash.partial": "^4.2.1",
     "mocha": "^5.2.0",
     "morgan": "^1.9.0",
     "q": "^1.5.1",
     "request": "^2.88.0",
     "serverless-http": "^1.6.0",
-    "sinon": "^4.5.0",
-    "underscore": "^1.9.1"
+    "sinon": "^4.5.0"
   },
   "devDependencies": {
     "blanket": "^1.1.7",
diff --git a/server/cloudflare.js b/server/cloudflare.js
index 0fe72cc..831c59b 100644
--- a/server/cloudflare.js
+++ b/server/cloudflare.js
@@ -1,10 +1,10 @@
 'use strict';
 
-const u = require('underscore');
+const omitBy = require('lodash.omitby');
 
 // remove all CloudFlare headers, since they block requests that are already proxied (through the jsonp.afeld.me)
 module.exports.filterHeaders = function(headers) {
-  return u.omit(headers, function(val, header) {
+  return omitBy(headers, function(val, header) {
     return /^cf-/.test(header);
   });
 };
diff --git a/server/proxy-request.js b/server/proxy-request.js
index 81510b6..a1a7553 100644
--- a/server/proxy-request.js
+++ b/server/proxy-request.js
@@ -1,12 +1,12 @@
 'use strict';
 
 const requestp = require('./requestp');
-const u = require('underscore');
+const omit = require('lodash.omit');
 const cloudflare = require('./cloudflare');
 
 let passThroughHeaders = function(incomingHeaders) {
   // remove those that node should generate
-  let externalReqHeaders = u.omit(
+  let externalReqHeaders = omit(
     incomingHeaders,
     'accept-encoding',
     'connection',
diff --git a/server/router.js b/server/router.js
index a7821f6..fd7cb40 100644
--- a/server/router.js
+++ b/server/router.js
@@ -1,7 +1,8 @@
 'use strict';
 
 const express = require('express');
-const u = require('underscore');
+const omit = require('lodash.omit');
+const partial = require('lodash.partial');
 const JSON3 = require('json3');
 const snippets = require('./snippets');
 const proxy = require('./proxy-request');
@@ -22,7 +23,7 @@ let serveLandingPage = function(req, res) {
 
 let passBackHeaders = function(incomingHeaders) {
   // remove those that node should generate
-  let resultHeaders = u.omit(
+  let resultHeaders = omit(
     incomingHeaders,
     'connection',
     'content-length',
@@ -71,7 +72,7 @@ let doProxy = function(apiUrl, req, res) {
       // keep this right before respond() to handle errors from any previous steps
       errorToJson
     )
-    .then(u.partial(respond, res))
+    .then(partial(respond, res))
     .done();
 };