diff --git a/lib/workers/repository/updates/generate.js b/lib/workers/repository/updates/generate.js
index 80023f16f1888e93c879f7c11481873ca93d44f7..7e0b073c50951e3742b9d8cfcbf671a0923fa55b 100644
--- a/lib/workers/repository/updates/generate.js
+++ b/lib/workers/repository/updates/generate.js
@@ -1,6 +1,7 @@
 const handlebars = require('handlebars');
 const semver = require('semver');
 const { mergeChildConfig } = require('../../../config');
+const { DateTime } = require('luxon');
 
 function generateBranchConfig(branchUpgrades) {
   logger.debug(`generateBranchConfig(${branchUpgrades.length})`);
@@ -31,6 +32,7 @@ function generateBranchConfig(branchUpgrades) {
   logger.debug(`groupEligible: ${groupEligible}`);
   const useGroupSettings = hasGroupName && groupEligible;
   logger.debug(`useGroupSettings: ${useGroupSettings}`);
+  let releaseTimestamp;
   for (const branchUpgrade of branchUpgrades) {
     let upgrade = { ...branchUpgrade };
     if (useGroupSettings) {
@@ -110,6 +112,17 @@ function generateBranchConfig(branchUpgrades) {
     upgrade.prTitle = handlebars.compile(upgrade.prTitle)(upgrade);
     logger.debug(`${upgrade.branchName}, ${upgrade.prTitle}`);
     config.upgrades.push(upgrade);
+    if (upgrade.releaseTimestamp) {
+      if (releaseTimestamp) {
+        const existingStamp = DateTime.fromISO(releaseTimestamp);
+        const upgradeStamp = DateTime.fromISO(upgrade.releaseTimestamp);
+        if (upgradeStamp > existingStamp) {
+          releaseTimestamp = upgrade.releaseTimestamp; // eslint-disable-line
+        }
+      } else {
+        releaseTimestamp = upgrade.releaseTimestamp; // eslint-disable-line
+      }
+    }
   }
   if (
     depNames.length === 2 &&
@@ -123,7 +136,7 @@ function generateBranchConfig(branchUpgrades) {
     config.hasTypes = true;
   }
   // Now assign first upgrade's config as branch config
-  return { ...config, ...config.upgrades[0] };
+  return { ...config, ...config.upgrades[0], releaseTimestamp };
 }
 
 module.exports = {
diff --git a/test/workers/repository/updates/generate.spec.js b/test/workers/repository/updates/generate.spec.js
index 41500860e43b3eab31b6006341c35bee95e6529c..3145e22bf92f1d62414b34a1f53df86fc6602803 100644
--- a/test/workers/repository/updates/generate.spec.js
+++ b/test/workers/repository/updates/generate.spec.js
@@ -18,6 +18,7 @@ describe('workers/repository/updates/generate', () => {
           branchName: 'some-branch',
           prTitle: 'some-title',
           lazyGrouping: true,
+          releaseTimestamp: '2017-02-07T20:01:41+00:00',
           foo: 1,
           group: {
             foo: 2,
@@ -27,6 +28,7 @@ describe('workers/repository/updates/generate', () => {
       const res = generateBranchConfig(branch);
       expect(res.foo).toBe(1);
       expect(res.groupName).toBeUndefined();
+      expect(res.releaseTimestamp).toBeDefined();
     });
     it('groups single upgrade if not lazyGrouping', () => {
       const branch = [
@@ -90,6 +92,7 @@ describe('workers/repository/updates/generate', () => {
           group: {
             foo: 2,
           },
+          releaseTimestamp: '2017-02-07T20:01:41+00:00',
         },
         {
           depName: 'some-other-dep',
@@ -104,11 +107,13 @@ describe('workers/repository/updates/generate', () => {
           group: {
             foo: 2,
           },
+          releaseTimestamp: '2017-02-06T20:01:41+00:00',
         },
       ];
       const res = generateBranchConfig(branch);
       expect(res.foo).toBe(2);
       expect(res.groupName).toBeDefined();
+      expect(res.releaseTimestamp).toEqual('2017-02-07T20:01:41+00:00');
     });
     it('groups multiple upgrades different version', () => {
       const branch = [
@@ -125,6 +130,7 @@ describe('workers/repository/updates/generate', () => {
           group: {
             foo: 2,
           },
+          releaseTimestamp: '2017-02-07T20:01:41+00:00',
         },
         {
           depName: 'some-other-dep',
@@ -139,6 +145,7 @@ describe('workers/repository/updates/generate', () => {
           group: {
             foo: 2,
           },
+          releaseTimestamp: '2017-02-08T20:01:41+00:00',
         },
       ];
       const res = generateBranchConfig(branch);
@@ -146,6 +153,7 @@ describe('workers/repository/updates/generate', () => {
       expect(res.singleVersion).toBeUndefined();
       expect(res.recreateClosed).toBe(true);
       expect(res.groupName).toBeDefined();
+      expect(res.releaseTimestamp).toEqual('2017-02-08T20:01:41+00:00');
     });
     it('uses semantic commits', () => {
       const branch = [