diff --git a/packages/callback-hook/package.js b/packages/callback-hook/package.js
index c26f2b217b..07edb85981 100644
--- a/packages/callback-hook/package.js
+++ b/packages/callback-hook/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Register callbacks on a hook",
-  version: '1.4.0'
+  version: '1.5.0-beta2100.0'
 });
 
 Package.onUse(function (api) {
diff --git a/packages/meteor-tool/package.js b/packages/meteor-tool/package.js
index e31fcbacf3..1d8d83ec45 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: '2.9.1',
+  version: '2.10.0-beta.0',
 });
 
 Package.includeTool();
diff --git a/packages/mongo/package.js b/packages/mongo/package.js
index e744c56705..391d54a050 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: '1.16.3'
+  version: '1.16.4-beta2100.0'
 });
 
 Npm.depends({
diff --git a/packages/react-fast-refresh/package.js b/packages/react-fast-refresh/package.js
index 036810d29e..eb442fcfcb 100644
--- a/packages/react-fast-refresh/package.js
+++ b/packages/react-fast-refresh/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   name: 'react-fast-refresh',
-  version: '0.2.4',
+  version: '0.2.5-beta2100.0',
   summary: 'Automatically update React components with HMR',
   documentation: 'README.md',
   devOnly: true,
diff --git a/packages/test-in-browser/package.js b/packages/test-in-browser/package.js
index 4fceca27d6..90884ae940 100644
--- a/packages/test-in-browser/package.js
+++ b/packages/test-in-browser/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Run tests interactively in the browser",
-  version: '1.3.2',
+  version: '1.3.3-beta2100.0',
   documentation: null
 });
 
diff --git a/packages/tracker/package.js b/packages/tracker/package.js
index 4448d88383..93f3f550ad 100644
--- a/packages/tracker/package.js
+++ b/packages/tracker/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Dependency tracker to allow reactive callbacks",
-  version: "1.2.1"
+  version: "1.3.0-beta2100.0"
 });
 
 Package.onUse(function (api) {
diff --git a/packages/webapp/package.js b/packages/webapp/package.js
index 56e920fea2..c4653b1f8f 100644
--- a/packages/webapp/package.js
+++ b/packages/webapp/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: 'Serves a Meteor app over HTTP',
-  version: '1.13.2',
+  version: '1.13.3-beta2100.0',
 });
 
 Npm.depends({
diff --git a/scripts/admin/meteor-release-experimental.json b/scripts/admin/meteor-release-experimental.json
index 7a18f6f0ef..30ef741681 100644
--- a/scripts/admin/meteor-release-experimental.json
+++ b/scripts/admin/meteor-release-experimental.json
@@ -1,6 +1,6 @@
 {
   "track": "METEOR",
-  "version": "2.9.1-rc.0",
+  "version": "2.10.0-beta.0",
   "recommended": false,
   "official": false,
   "description": "Meteor experimental release"