diff --git a/package.json b/package.json
index 3b197779e1..7ec11549eb 100644
--- a/package.json
+++ b/package.json
@@ -3,7 +3,8 @@
   "description": "Tools to help maintain freecodecamp.org's Open Source Codebase on GitHub",
   "private": true,
   "scripts": {
-    "postinstall": "lerna bootstrap"
+    "bootstrap": "lerna bootstrap",
+    "postinstall": "npm run bootstrap"
   },
   "devDependencies": {
     "lerna": "^3.5.1"
diff --git a/sweeper/get-prs/index.js b/sweeper/get-prs/index.js
index f4b1699814..733b8cdaea 100644
--- a/sweeper/get-prs/index.js
+++ b/sweeper/get-prs/index.js
@@ -47,13 +47,22 @@ const paginate = async function paginate (method, octokit, firstPR, lastPR, prPr
   return data;
 };
 
-const getUserInput = async () => {
-  let [ n, f, type, start, end ] = process.argv;
-  let [ firstPR, lastPR ] = await getRange().then(data => data);
-  if (type !== 'all' && type !== 'range') {
-    throw `Please specify either all or range for 1st arg.`;
+const getUserInput = async (rangeType = '') => {
+  let data, firstPR, lastPR;
+  if (rangeType === 'all') {
+    data = await getRange().then(data => data);
+    firstPR = data[0];
+    lastPR = data[1];
   }
-  if (type === 'range') {
+  else {
+    let [ n, f, type, start, end ] = process.argv;
+    data = await getRange().then(data => data);
+    firstPR = data[0];
+    lastPR = data[1];
+    if (type !== 'all' && type !== 'range') {
+    throw `Please specify either all or range for 1st arg.`;
+    }
+    if (type === 'range') {
     start = parseInt(start);
     end = parseInt(end);
     if (!start || !end) {
@@ -70,14 +79,15 @@ const getUserInput = async () => {
       throw `Ending PR # can not be greater than last open PR # (${lastPR})`;
     }
     lastPR = end;
+    }
   }
   const totalPRs = await getCount().then(data => data);
-  return {totalPRs, firstPR, lastPR};
+  return { totalPRs, firstPR, lastPR };
 };
 
 const getPRs = async (totalPRs, firstPR, lastPR, prPropsToGet) => {
   const getPRsBar = new _cliProgress.Bar({
-    format: `Part 1 of 2: Retrieving PRs (${firstPR}-${lastPR}) [{bar}] {percentage}%`
+    format: `Part 1 of 2: Retrieving PRs (${firstPR}-${lastPR}) [{bar}] {percentage}% - {duration_formatted}`
   }, _cliProgress.Presets.shades_classic);
   getPRsBar.start(totalPRs, 0);
   let openPRs = await paginate(octokit.pullRequests.list, octokit, firstPR, lastPR, prPropsToGet, getPRsBar);
diff --git a/sweeper/one-off-scripts/get-changes-for-pr-relations-data.js b/sweeper/one-off-scripts/get-changes-for-pr-relations-data.js
new file mode 100644
index 0000000000..a7efa40286
--- /dev/null
+++ b/sweeper/one-off-scripts/get-changes-for-pr-relations-data.js
@@ -0,0 +1,134 @@
+require('dotenv').config({ path: '../.env' });
+const formatDate = require('date-fns/format');
+const path = require('path');
+const fs = require('fs');
+const _cliProgress = require('cli-progress');
+const fetch = require('node-fetch');
+
+const { saveToFile } = require('../utils/save-to-file');
+
+class Log {
+  constructor() {
+    this._startTime = null;
+    this._finishTime = null;
+    this._elapsedTime = null;
+    this._prsArr = [];
+    this._indicesObj = {};
+    this._logfile = path.resolve(__dirname, `../work-logs/pr-relations.json`);
+  }
+
+  export() {
+    const log = {
+      startTime: this._startTime,
+      finishTime: this._finishTime,
+      elapsedTime: this._elapsedTime,
+      indices: this._indicesObj,
+      prs: this._prsArr
+    };
+    saveToFile(this._logfile, JSON.stringify(log))
+  }
+
+  getPrRange() {
+    const first = this._prsArr[0].number;
+    const last = this._prsArr[this._prsArr.length -1].number;
+    return [first, last];
+  }
+
+  add(prNum, props) {
+    this._prsArr.push(props);
+    this._indicesObj[prNum] = this._prsArr.length -1;
+  }
+
+  start() {
+    this._startTime = new Date();
+    this.export();
+  }
+
+  finish() {
+    this._finishTime = new Date();
+    const minutesElapsed = (this._finishTime - this._startTime) / 1000 / 60;
+    this._elapsedTime =  minutesElapsed.toFixed(2) + ' mins';
+    this.export();
+    this.changeFilename(this.getPrRange());
+  }
+
+  changeFilename( [first, last] ) {
+    const now = formatDate(new Date(), 'YYYY-MM-DDTHHmmss');
+    const newFilename = path.resolve(__dirname,`../work-logs/pr-relations_${first}-${last}_${now}.json`);
+    fs.rename(this._logfile, newFilename, function(err) {
+      if (err) {
+        throw('ERROR: ' + err);
+      }
+    });
+  }
+};
+
+const getExistingData = async () => {
+  const url = `https://pr-relations.glitch.me/getCurrData`;
+  const response = await fetch(url);
+  const data = await response.json();
+  return data;
+};
+
+const { owner, repo, octokitConfig, octokitAuth } = require('../constants');
+const octokit = require('@octokit/rest')(octokitConfig);
+
+const { getPRs, getUserInput } = require('../get-prs');
+const { rateLimiter, savePrData } = require('../utils');
+
+octokit.authenticate(octokitAuth);
+
+const log = new Log();
+(async () => {
+  const { totalPRs, firstPR, lastPR } = await getUserInput('all');
+  log.start();
+  const prPropsToGet = ['number', 'user', 'updated_at', 'files'];
+  const { openPRs } = await getPRs(totalPRs, firstPR, lastPR, prPropsToGet);
+
+  if (openPRs.length) {
+   const { indices: oldIndices, prs: oldPRs } = await getExistingData();
+
+    const getFilesBar = new _cliProgress.Bar({
+      format: `Part 2 of 2: Adding/Updating PRs [{bar}] {percentage}% | {value}/{total} | {duration_formatted}`
+    }, _cliProgress.Presets.shades_classic);
+    getFilesBar.start(openPRs.length, 0);
+
+    let newOrUpdated = '';
+    for (let count in openPRs) {
+      let { number, updated_at, user: { login: username } } = openPRs[count];
+      let oldUpdated_at;
+      let oldPrData = oldPRs[oldIndices[number]];
+      if (oldPrData) {
+        oldUpdated_at = oldPrData.updated_at;
+      }
+
+      if (!oldIndices.hasOwnProperty(number) || updated_at > oldUpdated_at) {
+        newOrUpdated += `PR #${number} was new or needed updating\n`;
+        const { data: prFiles } = await octokit.pullRequests.listFiles({ owner, repo, number });
+        const filenames = prFiles.map(({ filename }) => filename);
+        log.add(number, { number, updated_at, username, filenames });
+        if (+count > 3000 ) {
+          await rateLimiter(1400);
+        }
+      }
+      else {
+        let { username: oldUsername, filenames: oldFilenames } = oldPrData;
+        log.add(number, { number, updated_at: oldUpdated_at, username: oldUsername, filenames: oldFilenames });
+      }
+      if (+count % 10 === 0) {
+        getFilesBar.update(+count);
+      }
+    }
+    getFilesBar.update(openPRs.length);
+    getFilesBar.stop();
+    console.log(newOrUpdated);
+  }
+})()
+.then(() => {
+  log.finish();
+  console.log('Finished retrieving pr-relations data');
+})
+.catch(err => {
+  log.finish();
+  console.log(err)
+})
diff --git a/sweeper/one-off-scripts/get-pr-relations-data.js b/sweeper/one-off-scripts/get-pr-relations-data.js
index a1250140b7..bca7d963a3 100644
--- a/sweeper/one-off-scripts/get-pr-relations-data.js
+++ b/sweeper/one-off-scripts/get-pr-relations-data.js
@@ -1,6 +1,5 @@
 require('dotenv').config({ path: '../.env' });
 const formatDate = require('date-fns/format');
-
 const path = require('path');
 const fs = require('fs');
 const _cliProgress = require('cli-progress');
@@ -32,6 +31,7 @@ class Log {
     const first = this._prsArr[0].number;
     const last = this._prsArr[this._prsArr.length -1].number;
     return [first, last];
+    // return [null, null]
   }
 
   add(prNum, props) {
@@ -74,29 +74,27 @@ octokit.authenticate(octokitAuth);
 
 const log = new Log();
 (async () => {
-  const { totalPRs, firstPR, lastPR } = await getUserInput();
-  const prPropsToGet = ['number', 'user', 'files'];
+  const { totalPRs, firstPR, lastPR } = await getUserInput('all');
+  const prPropsToGet = ['number', 'user', 'updated_at', 'files'];
   const { openPRs } = await getPRs(totalPRs, firstPR, lastPR, prPropsToGet);
 
   if (openPRs.length) {
     log.start();
-    let numFilenameRequests = 0;
     const getFilesBar = new _cliProgress.Bar({
       format: `Part 2 of 2: Retrieving filenames [{bar}] {percentage}% | {value}/{total}`
     }, _cliProgress.Presets.shades_classic);
     getFilesBar.start(openPRs.length, 0);
     for (let count in openPRs) {
-      let { number, user: { login: username } } = openPRs[count];
+      let { number, updated_at, user: { login: username } } = openPRs[count];
       const { data: prFiles } = await octokit.pullRequests.listFiles({ owner, repo, number });
       const filenames = prFiles.map(({ filename }) => filename);
-      log.add(number, { number, username, filenames });
-      if (numFilenameRequests > 3000 ) {
-        await rateLimiter(1250);
+      log.add(number, { number, updated_at, username, filenames });
+      if (+count > 3000 ) {
+        await rateLimiter(1500);
       }
-      if (numFilenameRequests % 10 === 0) {
-        getFilesBar.update(numFilenameRequests);
+      if (+count % 10 === 0) {
+        getFilesBar.update(+count);
       }
-      numFilenameRequests++;
     }
     getFilesBar.update(openPRs.length);
     getFilesBar.stop();