diff --git a/app/adBlock.js b/app/adBlock.js
index b79c1de028f..de71423d254 100644
--- a/app/adBlock.js
+++ b/app/adBlock.js
@@ -5,8 +5,8 @@
 'use strict'
 
 const urlParse = require('./common/urlParse')
-const {AdBlockClient} = require('ad-block')
-const DataFile = require('./dataFile')
+const {adBlockDataFileVersion, AdBlockClient} = require('ad-block')
+const dataFile = require('./dataFile')
 const Filtering = require('./filtering')
 const appConfig = require('../js/constants/appConfig')
 const debounce = require('../js/lib/debounce')
@@ -53,7 +53,7 @@ const startAdBlocking = (adblock, resourceName, shouldCheckMainFrame) => {
 }
 
 module.exports.initInstance = (adBlockClient, resourceName, shouldCheckMainFrame) => {
-  DataFile.init(resourceName, startAdBlocking.bind(null, adBlockClient, resourceName, shouldCheckMainFrame),
+  dataFile.init(resourceName, adBlockDataFileVersion, startAdBlocking.bind(null, adBlockClient, resourceName, shouldCheckMainFrame),
                 (data) => adBlockClient.deserialize(data))
   return module.exports
 }
@@ -87,7 +87,7 @@ const registerAppConfigForResource = (uuid, enabled, version) => {
  * @param uuid - The uuid of the adblock datafile resource
  * @param forAdblock - true if main frame URLs should be blocked
  */
-module.exports.updateAdblockDataFiles = (uuid, enabled, version = Number(appConfig.adblock.version), shouldCheckMainFrame = false) => {
+module.exports.updateAdblockDataFiles = (uuid, enabled, version = adBlockDataFileVersion, shouldCheckMainFrame = false) => {
   registerAppConfigForResource(uuid, enabled, version)
   if (!adblockInstances.has(uuid)) {
     const adBlockClient = new AdBlockClient()
diff --git a/app/dataFile.js b/app/dataFile.js
index 6ff38333cc4..639cd894faf 100644
--- a/app/dataFile.js
+++ b/app/dataFile.js
@@ -81,8 +81,8 @@ module.exports.shouldRedownloadFirst = (resourceName, version) => {
  *   Takes either the data itself as an argument or the pathname on disk of the
  *   directory where the data was downloaded.
  */
-module.exports.init = (resourceName, startExtension, onInitDone, forceDownload) => {
-  const version = appConfig[resourceName].version
+module.exports.init = (resourceName, version, startExtension, onInitDone, forceDownload) => {
+  version = version || appConfig[resourceName].version
 
   let versionFolder = version
   const hasStagedDatFile = [appConfig.resourceNames.ADBLOCK, appConfig.resourceNames.SAFE_BROWSING].includes(resourceName)
diff --git a/app/httpsEverywhere.js b/app/httpsEverywhere.js
index e9dec0077d1..41daacf89eb 100644
--- a/app/httpsEverywhere.js
+++ b/app/httpsEverywhere.js
@@ -4,7 +4,7 @@
 'use strict'
 
 const urlParse = require('./common/urlParse')
-const DataFile = require('./dataFile')
+const dataFile = require('./dataFile')
 const Filtering = require('./filtering')
 const LRUCache = require('lru-cache')
 const getHostnamePatterns = require('../js/lib/urlutil').getHostnamePatterns
@@ -203,5 +203,5 @@ function canonicalizeUrl (url) {
  * Loads HTTPS Everywhere
  */
 module.exports.init = () => {
-  DataFile.init(module.exports.resourceName, startHttpsEverywhere, loadRulesets)
+  dataFile.init(module.exports.resourceName, undefined, startHttpsEverywhere, loadRulesets)
 }
diff --git a/app/trackingProtection.js b/app/trackingProtection.js
index f6680273dcf..ac9151d2f02 100644
--- a/app/trackingProtection.js
+++ b/app/trackingProtection.js
@@ -6,7 +6,7 @@
 
 const urlParse = require('./common/urlParse')
 const TrackingProtection = require('tracking-protection').CTPParser
-const DataFile = require('./dataFile')
+const dataFile = require('./dataFile')
 const Filtering = require('./filtering')
 const isThirdPartyHost = require('./browser/isThirdPartyHost')
 const LRUCache = require('lru-cache')
@@ -51,7 +51,7 @@ const startTrackingProtection = (wnd) => {
       !cachedFirstParty.get(firstPartyUrlHost).find((baseHost) =>
         !isThirdPartyHost(baseHost, urlHost))
 
-    DataFile.debug(module.exports.resourceName, details, cancel)
+    dataFile.debug(module.exports.resourceName, details, cancel)
     return {
       cancel,
       resourceName: module.exports.resourceName
@@ -61,6 +61,6 @@ const startTrackingProtection = (wnd) => {
 
 module.exports.init = () => {
   trackingProtection = new TrackingProtection()
-  DataFile.init(module.exports.resourceName, startTrackingProtection,
+  dataFile.init(module.exports.resourceName, undefined, startTrackingProtection,
                 (data) => trackingProtection.deserialize(data))
 }
diff --git a/js/constants/appConfig.js b/js/constants/appConfig.js
index 589d8c74a26..e33c9647ce1 100644
--- a/js/constants/appConfig.js
+++ b/js/constants/appConfig.js
@@ -12,7 +12,6 @@ const adHost = process.env.AD_HOST || 'https://oip.brave.com'
 const buildConfig = require('./buildConfig')
 const isProduction = buildConfig.nodeEnv === 'production'
 const {fullscreenOption} = require('../../app/common/constants/settingsEnums')
-const ABPDatVersion = '3'
 
 module.exports = {
   name: 'Brave',
@@ -58,13 +57,13 @@ module.exports = {
   adblock: {
     alternateDataFiles: 'https://s3.amazonaws.com/adblock-data/{version}/{uuid}.dat',
     url: 'https://s3.amazonaws.com/adblock-data/{version}/ABPFilterParserData.dat',
-    version: ABPDatVersion,
+    // version is specified in the ad-block library
     msBetweenRechecks: 1000 * 60 * 60 * 2, // 2 hours
     enabled: true
   },
   safeBrowsing: {
     url: 'https://s3.amazonaws.com/adblock-data/{version}/SafeBrowsingData.dat',
-    version: ABPDatVersion,
+    // version is specified in the ad-block library
     msBetweenRechecks: 1000 * 60 * 60 * 2, // 2 hours
     enabled: true
   },