diff --git a/packages/allow-deny/package.js b/packages/allow-deny/package.js
index da6b451c9a..3548f3cb3b 100644
--- a/packages/allow-deny/package.js
+++ b/packages/allow-deny/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   name: 'allow-deny',
-  version: '1.1.0',
+  version: '1.1.1-beta260.0',
   // Brief, one-line summary of the package.
   summary: 'Implements functionality for allow/deny and client-side db operations',
   // URL to the Git repository containing the source code for this package.
diff --git a/packages/meteor-tool/package.js b/packages/meteor-tool/package.js
index 87ce59240c..427cb050b6 100644
--- a/packages/meteor-tool/package.js
+++ b/packages/meteor-tool/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: 'The Meteor command-line tool',
-  version: '2.5.5',
+  version: '2.6.0-beta.0',
 });
 
 Package.includeTool();
diff --git a/packages/minimongo/package.js b/packages/minimongo/package.js
index 2ffb5128ab..eef0592ed3 100644
--- a/packages/minimongo/package.js
+++ b/packages/minimongo/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Meteor's client-side datastore: a port of MongoDB to Javascript",
-  version: '1.7.0'
+  version: '1.8.0-beta260.0'
 });
 
 Package.onUse(api => {
diff --git a/packages/mongo/package.js b/packages/mongo/package.js
index c0c030f892..a4f237213a 100644
--- a/packages/mongo/package.js
+++ b/packages/mongo/package.js
@@ -9,7 +9,7 @@
 
 Package.describe({
   summary: "Adaptor for using MongoDB and Minimongo over DDP",
-  version: '1.13.0'
+  version: '1.14.0-beta260.0'
 });
 
 Npm.depends({
diff --git a/packages/tinytest/package.js b/packages/tinytest/package.js
index 6ee6b2faf9..b952c4658c 100644
--- a/packages/tinytest/package.js
+++ b/packages/tinytest/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Tiny testing framework",
-  version: '1.2.0'
+  version: '1.2.1-beta260.0'
 });
 
 Package.onUse(function (api) {
diff --git a/scripts/admin/meteor-release-experimental.json b/scripts/admin/meteor-release-experimental.json
index ef1291d9d8..0b26d5a011 100644
--- a/scripts/admin/meteor-release-experimental.json
+++ b/scripts/admin/meteor-release-experimental.json
@@ -1,6 +1,6 @@
 {
   "track": "METEOR",
-  "version": "2.5.4-beta.0",
+  "version": "2.6-beta.0",
   "recommended": false,
   "official": false,
   "description": "Meteor experimental release"