diff --git a/package.json b/package.json
index 0950144c4..58c48b1c9 100644
--- a/package.json
+++ b/package.json
@@ -46,8 +46,8 @@
     "dagre-layout": "^0.8.8",
     "graphlibrary": "^2.2.0",
     "he": "^1.2.0",
-    "lodash": "^4.17.11",
-    "moment": "^2.23.0",
+    "lodash": "^4.17.5",
+    "moment-mini": "^2.22.1",
     "scope-css": "^1.2.1"
   },
   "devDependencies": {
@@ -70,6 +70,7 @@
     "jest-image-snapshot": "^2.8.2",
     "jest-puppeteer": "^4.2.0",
     "jison": "^0.4.18",
+    "moment": "^2.23.0",
     "node-sass": "^4.11.0",
     "puppeteer": "^1.17.0",
     "sass-loader": "^7.1.0",
@@ -81,8 +82,7 @@
     "yarn-upgrade-all": "^0.5.0"
   },
   "files": [
-    "dist",
-    "src"
+    "dist"
   ],
   "yarn-upgrade-all": {
     "ignore": [
diff --git a/src/diagrams/gantt/ganttDb.js b/src/diagrams/gantt/ganttDb.js
index 0329ba9a9..557754378 100644
--- a/src/diagrams/gantt/ganttDb.js
+++ b/src/diagrams/gantt/ganttDb.js
@@ -1,4 +1,4 @@
-import moment from 'moment'
+import moment from 'moment-mini'
 import { logger } from '../../logger'
 
 let dateFormat = ''
diff --git a/src/diagrams/git/gitGraphAst.js b/src/diagrams/git/gitGraphAst.js
index e734453b7..f7338c5ed 100644
--- a/src/diagrams/git/gitGraphAst.js
+++ b/src/diagrams/git/gitGraphAst.js
@@ -155,9 +155,9 @@ function prettyPrintCommitHistory (commitArr) {
     }
   })
   const label = [line, commit.id, commit.seq]
-  _.each(branches, function (value, key) {
-    if (value === commit.id) label.push(key)
-  })
+  for (let branch in branches) {
+    if (branches[branch] === commit.id) label.push(branch)
+  }
   logger.debug(label.join(' '))
   if (Array.isArray(commit.parent)) {
     const newCommit = commits[commit.parent[0]]
@@ -188,9 +188,10 @@ export const clear = function () {
 }
 
 export const getBranchesAsObjArray = function () {
-  const branchArr = _.map(branches, function (value, key) {
-    return { 'name': key, 'commit': commits[value] }
-  })
+  const branchArr = []
+  for (let branch in branches) {
+    branchArr.push({ name: branch, commit: commits[branches[branch]] })
+  }
   return branchArr
 }
 
diff --git a/src/diagrams/git/gitGraphRenderer.js b/src/diagrams/git/gitGraphRenderer.js
index 3ef56478d..00f56ed1a 100644
--- a/src/diagrams/git/gitGraphRenderer.js
+++ b/src/diagrams/git/gitGraphRenderer.js
@@ -1,5 +1,5 @@
-import _ from 'lodash'
 import * as d3 from 'd3'
+import _ from 'lodash'
 
 import db from './gitGraphAst'
 import gitGraphParser from './parser/gitGraph'
@@ -160,7 +160,7 @@ function cloneNode (svg, selector) {
 function renderCommitHistory (svg, commitid, branches, direction) {
   let commit
   const numCommits = Object.keys(allCommitsDict).length
-  if (_.isString(commitid)) {
+  if (typeof commitid === 'string') {
     do {
       commit = allCommitsDict[commitid]
       logger.debug('in renderCommitHistory', commit.id, commit.seq)
@@ -189,7 +189,13 @@ function renderCommitHistory (svg, commitid, branches, direction) {
         .attr('stroke', config.nodeStrokeColor)
         .attr('stroke-width', config.nodeStrokeWidth)
 
-      const branch = _.find(branches, ['commit', commit])
+      let branch
+      for (let branchName in branches) {
+        if (branches[branchName].commit === commit) {
+          branch = branches[branchName]
+          break
+        }
+      }
       if (branch) {
         logger.debug('found branch ', branch.name)
         svg.select('#node-' + commit.id + ' p')
@@ -211,7 +217,7 @@ function renderCommitHistory (svg, commitid, branches, direction) {
     } while (commitid && allCommitsDict[commitid])
   }
 
-  if (_.isArray(commitid)) {
+  if (Array.isArray(commitid)) {
     logger.debug('found merge commmit', commitid)
     renderCommitHistory(svg, commitid[0], branches, direction)
     branchNum++
@@ -223,11 +229,11 @@ function renderCommitHistory (svg, commitid, branches, direction) {
 function renderLines (svg, commit, direction, branchColor) {
   branchColor = branchColor || 0
   while (commit.seq > 0 && !commit.lineDrawn) {
-    if (_.isString(commit.parent)) {
+    if (typeof commit.parent === 'string') {
       svgDrawLineForCommits(svg, commit.id, commit.parent, direction, branchColor)
       commit.lineDrawn = true
       commit = allCommitsDict[commit.parent]
-    } else if (_.isArray(commit.parent)) {
+    } else if (Array.isArray(commit.parent)) {
       svgDrawLineForCommits(svg, commit.id, commit.parent[0], direction, branchColor)
       svgDrawLineForCommits(svg, commit.id, commit.parent[1], direction, branchColor + 1)
       renderLines(svg, allCommitsDict[commit.parent[1]], direction, branchColor + 1)
@@ -246,7 +252,7 @@ export const draw = function (txt, id, ver) {
     // Parse the graph definition
     parser.parse(txt + '\n')
 
-    config = _.extend(config, apiConfig, db.getOptions())
+    config = _.assign(config, apiConfig, db.getOptions())
     logger.debug('effective options', config)
     const direction = db.getDirection()
     allCommitsDict = db.getCommits()
@@ -259,11 +265,12 @@ export const draw = function (txt, id, ver) {
     const svg = d3.select(`[id="${id}"]`)
     svgCreateDefs(svg)
     branchNum = 1
-    _.each(branches, function (v) {
+    for (let branch in branches) {
+      const v = branches[branch]
       renderCommitHistory(svg, v.commit.id, branches, direction)
       renderLines(svg, v.commit, direction)
       branchNum++
-    })
+    }
     svg.attr('height', function () {
       if (direction === 'BT') return Object.keys(allCommitsDict).length * config.nodeSpacing
       return (branches.length + 1) * config.branchOffset
diff --git a/src/logger.js b/src/logger.js
index adaadf31d..eefaccf34 100644
--- a/src/logger.js
+++ b/src/logger.js
@@ -1,4 +1,4 @@
-import moment from 'moment'
+import moment from 'moment-mini'
 
 export const LEVELS = {
   debug: 1,
diff --git a/yarn.lock b/yarn.lock
index e504932fd..e2806885f 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -6407,10 +6407,15 @@ mkdirp@0.5.1, mkdirp@0.5.x, "mkdirp@>=0.5 0", mkdirp@^0.5.0, mkdirp@^0.5.1, mkdi
   dependencies:
     minimist "0.0.8"
 
+moment-mini@^2.22.1:
+  version "2.22.1"
+  resolved "https://registry.yarnpkg.com/moment-mini/-/moment-mini-2.22.1.tgz#bc32d73e43a4505070be6b53494b17623183420d"
+  integrity sha512-OUCkHOz7ehtNMYuZjNciXUfwTuz8vmF1MTbAy59ebf+ZBYZO5/tZKuChVWCX+uDo+4idJBpGltNfV8st+HwsGw==
+
 moment@^2.23.0:
-  version "2.23.0"
-  resolved "https://registry.yarnpkg.com/moment/-/moment-2.23.0.tgz#759ea491ac97d54bac5ad776996e2a58cc1bc225"
-  integrity sha512-3IE39bHVqFbWWaPOMHZF98Q9c3LDKGTmypMiTM2QygGXXElkFWIH7GxfmlwmY2vwa+wmNsoYZmG2iusf1ZjJoA==
+  version "2.24.0"
+  resolved "https://registry.yarnpkg.com/moment/-/moment-2.24.0.tgz#0d055d53f5052aa653c9f6eb68bb5d12bf5c2b5b"
+  integrity sha512-bV7f+6l2QigeBBZSM/6yTNq4P2fNpSWj/0e7jQcy87A8e7o2nAfP/34/2ky5Vw4B9S446EtIhodAzkFCcR4dQg==
 
 move-concurrently@^1.0.1:
   version "1.0.1"