diff --git a/packages/accounts-base/package.js b/packages/accounts-base/package.js
index 551c226386b..33810c55ea4 100644
--- a/packages/accounts-base/package.js
+++ b/packages/accounts-base/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "A user account system",
-  version: "1.2.1-rc.2"
+  version: "1.2.1-rc.3"
 });
 
 Package.onUse(function (api) {
diff --git a/packages/coffeescript/package.js b/packages/coffeescript/package.js
index dfed94feb91..b83565c7664 100644
--- a/packages/coffeescript/package.js
+++ b/packages/coffeescript/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Javascript dialect with fewer braces and semicolons",
-  version: "1.0.8-rc.3"
+  version: "1.0.8-rc.4"
 });
 
 Package.registerBuildPlugin({
diff --git a/packages/ddp-client/package.js b/packages/ddp-client/package.js
index e01ea1d6aa3..c159a54afa9 100644
--- a/packages/ddp-client/package.js
+++ b/packages/ddp-client/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Meteor's latency-compensated distributed data client",
-  version: '1.2.1-rc.1',
+  version: '1.2.1-rc.2',
   documentation: null
 });
 
diff --git a/packages/ddp-rate-limiter/package.js b/packages/ddp-rate-limiter/package.js
index ee94fcaa586..c3aab9fe534 100644
--- a/packages/ddp-rate-limiter/package.js
+++ b/packages/ddp-rate-limiter/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   name: 'ddp-rate-limiter',
-  version: '1.0.0-rc.0',
+  version: '1.0.0-rc.1',
   // Brief, one-line summary of the package.
   summary: 'The DDPRateLimiter allows users to add rate limits to DDP' +
   ' methods and subscriptions.',
diff --git a/packages/ddp-server/package.js b/packages/ddp-server/package.js
index d6de48c6aee..49f6afd22ee 100644
--- a/packages/ddp-server/package.js
+++ b/packages/ddp-server/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Meteor's latency-compensated distributed data server",
-  version: '1.2.1-rc.1',
+  version: '1.2.1-rc.2',
   documentation: null
 });
 
diff --git a/packages/ecmascript/package.js b/packages/ecmascript/package.js
index f75be2fc020..007cc2c3acf 100644
--- a/packages/ecmascript/package.js
+++ b/packages/ecmascript/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   name: 'ecmascript',
-  version: '0.1.3-rc.2',
+  version: '0.1.3-rc.3',
   summary: 'Compiler plugin that supports ES2015+ in all .js files',
   documentation: 'README.md'
 });
diff --git a/packages/less/package.js b/packages/less/package.js
index 2d5354adef6..4d0d146a7f9 100644
--- a/packages/less/package.js
+++ b/packages/less/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   name: 'less',
-  version: '2.5.0-rc.3_1',
+  version: '2.5.0-rc.4_1',
   summary: 'Leaner CSS language',
   documentation: 'README.md'
 });
diff --git a/packages/meteor-tool/package.js b/packages/meteor-tool/package.js
index 3dfe3d46793..257647f65e3 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: '1.1.7-rc.12'
+  version: '1.1.7-rc.13'
 });
 
 Package.includeTool();
diff --git a/packages/meteor/package.js b/packages/meteor/package.js
index 2a19f481a1d..fc3430fc62c 100644
--- a/packages/meteor/package.js
+++ b/packages/meteor/package.js
@@ -2,7 +2,7 @@
 
 Package.describe({
   summary: "Core Meteor environment",
-  version: '1.1.7-rc.1'
+  version: '1.1.7-rc.2'
 });
 
 Package.registerBuildPlugin({
diff --git a/packages/mongo/package.js b/packages/mongo/package.js
index 8b8741c74f5..d5d66e166f4 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: '1.1.1-rc.3'
+  version: '1.1.1-rc.4'
 });
 
 Npm.depends({
diff --git a/packages/oauth1/package.js b/packages/oauth1/package.js
index b31c326d912..95b2547ff06 100644
--- a/packages/oauth1/package.js
+++ b/packages/oauth1/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Common code for OAuth1-based login services",
-  version: "1.1.5-rc.0"
+  version: "1.1.5-rc.1"
 });
 
 Package.onUse(function (api) {
diff --git a/packages/rate-limit/package.js b/packages/rate-limit/package.js
index dff7fbe96c4..18c2783cb21 100644
--- a/packages/rate-limit/package.js
+++ b/packages/rate-limit/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   name: 'rate-limit',
-  version: '1.0.0-rc.0',
+  version: '1.0.0-rc.1',
   // Brief, one-line summary of the package.
   summary: 'An algorithm for rate limiting anything',
   // URL to the Git repository containing the source code for this package.
diff --git a/packages/standard-minifiers/package.js b/packages/standard-minifiers/package.js
index c108fcedbca..32ade6469e3 100644
--- a/packages/standard-minifiers/package.js
+++ b/packages/standard-minifiers/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   name: 'standard-minifiers',
-  version: '1.0.0-rc.1',
+  version: '1.0.0-rc.2',
   summary: 'Standard minifiers used with Meteor apps by default.',
   documentation: 'README.md'
 });
diff --git a/packages/static-html/package.js b/packages/static-html/package.js
index b986ff26f05..d0053389eb9 100644
--- a/packages/static-html/package.js
+++ b/packages/static-html/package.js
@@ -1,5 +1,5 @@
 Package.describe({
-  version: '1.0.0-rc.4',
+  version: '1.0.0-rc.5',
   // Brief, one-line summary of the package.
   summary: 'Define static page content in .html files',
   git: 'https://github.com/meteor/meteor',
diff --git a/packages/stylus/package.js b/packages/stylus/package.js
index 2c68a7dc2e7..d208353bc4e 100644
--- a/packages/stylus/package.js
+++ b/packages/stylus/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: 'Expressive, dynamic, robust CSS',
-  version: "2.511.0-rc.3"
+  version: "2.511.0-rc.4"
 });
 
 Package.registerBuildPlugin({
diff --git a/packages/templating/package.js b/packages/templating/package.js
index ade5648e191..67ed05b7313 100644
--- a/packages/templating/package.js
+++ b/packages/templating/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Allows templates to be defined in .html files",
-  version: '1.1.2-rc.4'
+  version: '1.1.2-rc.5'
 });
 
 // Today, this package is closely intertwined with Handlebars, meaning
diff --git a/packages/webapp/package.js b/packages/webapp/package.js
index 7c6deae980d..ac8619c9d51 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: '1.2.2-rc.2'
+  version: '1.2.2-rc.3'
 });
 
 Npm.depends({connect: "2.9.0",