diff --git a/packages/accounts-base/package.js b/packages/accounts-base/package.js
index 776caee04e..bffa520819 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: "1.3.1-beta.5"
+  version: "1.3.1-rc.0"
 });
 
 Package.onUse(function (api) {
diff --git a/packages/accounts-password/package.js b/packages/accounts-password/package.js
index 2ee2efe50d..ce1ac194d0 100644
--- a/packages/accounts-password/package.js
+++ b/packages/accounts-password/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Password support for accounts",
-  version: "2.0.0-beta.5"
+  version: "2.0.0-rc.0"
 });
 
 Package.onUse(function(api) {
diff --git a/packages/allow-deny/package.js b/packages/allow-deny/package.js
index aeaee62a28..a3d51c3205 100644
--- a/packages/allow-deny/package.js
+++ b/packages/allow-deny/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   name: 'allow-deny',
-  version: '1.0.6-beta.5',
+  version: '1.0.6-rc.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/ddp-client/package.js b/packages/ddp-client/package.js
index 75e99772d1..0233a67b41 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: '2.0.0-beta.5',
+  version: '2.0.0-rc.0',
   documentation: null
 });
 
diff --git a/packages/ddp-common/package.js b/packages/ddp-common/package.js
index 414db9dc5b..2ad6a9e112 100644
--- a/packages/ddp-common/package.js
+++ b/packages/ddp-common/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Code shared beween ddp-client and ddp-server",
-  version: '1.2.9-beta.5',
+  version: '1.2.9-rc.0',
   documentation: null
 });
 
diff --git a/packages/ddp-server/package.js b/packages/ddp-server/package.js
index 6c3f12d9b4..c73b6ab210 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: '2.0.0-beta.5',
+  version: '2.0.0-rc.0',
   documentation: null
 });
 
diff --git a/packages/ddp/package.js b/packages/ddp/package.js
index f7da9e9fb4..07ca62e048 100644
--- a/packages/ddp/package.js
+++ b/packages/ddp/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Meteor's latency-compensated distributed data framework",
-  version: '1.3.0-beta.5'
+  version: '1.3.0-rc.0'
 });
 
 Package.onUse(function (api) {
diff --git a/packages/meteor-tool/package.js b/packages/meteor-tool/package.js
index f7eec218a8..3743d28121 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: '1.5.1-beta.5'
+  version: '1.5.1-rc.0'
 });
 
 Package.includeTool();
diff --git a/packages/meteor/package.js b/packages/meteor/package.js
index bdf35dcaec..23179eb34a 100644
--- a/packages/meteor/package.js
+++ b/packages/meteor/package.js
@@ -2,7 +2,7 @@
 
 Package.describe({
   summary: "Core Meteor environment",
-  version: '1.7.0-beta.5'
+  version: '1.7.0-rc.0'
 });
 
 Package.registerBuildPlugin({
diff --git a/packages/minifier-js/package.js b/packages/minifier-js/package.js
index 5d31763064..b0dfae4746 100644
--- a/packages/minifier-js/package.js
+++ b/packages/minifier-js/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "JavaScript minifier",
-  version: "2.1.1-beta.5"
+  version: "2.1.1-rc.0"
 });
 
 Npm.depends({
diff --git a/packages/mongo/package.js b/packages/mongo/package.js
index 71f2df0901..903902943f 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: '1.1.19-beta.5'
+  version: '1.1.19-rc.0'
 });
 
 Npm.depends({
diff --git a/packages/server-render/package.js b/packages/server-render/package.js
index 1e0735d7ec..940f6c674d 100644
--- a/packages/server-render/package.js
+++ b/packages/server-render/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   name: "server-render",
-  version: "0.1.0-beta.5",
+  version: "0.1.0-rc.0",
   summary: "Generic support for server-side rendering in Meteor apps",
   documentation: "README.md"
 });
diff --git a/packages/shell-server/package.js b/packages/shell-server/package.js
index 534947144c..4a8cba4d03 100644
--- a/packages/shell-server/package.js
+++ b/packages/shell-server/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   name: "shell-server",
-  version: "0.2.4",
+  version: "0.2.4-rc.0",
   summary: "Server-side component of the `meteor shell` command.",
   documentation: "README.md"
 });
diff --git a/packages/standard-minifier-js/package.js b/packages/standard-minifier-js/package.js
index 6dd3ee3d80..7f021ce72a 100644
--- a/packages/standard-minifier-js/package.js
+++ b/packages/standard-minifier-js/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   name: 'standard-minifier-js',
-  version: '2.1.1-beta.5',
+  version: '2.1.1-rc.0',
   summary: 'Standard javascript minifiers used with Meteor apps by default.',
   documentation: 'README.md',
 });
diff --git a/packages/webapp/package.js b/packages/webapp/package.js
index c987c6a732..85ce578d59 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: '1.3.17-beta.5'
+  version: '1.3.17-rc.0'
 });
 
 Npm.depends({connect: "2.30.2",
diff --git a/scripts/admin/meteor-release-experimental.json b/scripts/admin/meteor-release-experimental.json
index a87629aab5..c9e1c2972e 100644
--- a/scripts/admin/meteor-release-experimental.json
+++ b/scripts/admin/meteor-release-experimental.json
@@ -1,6 +1,6 @@
 {
  "track": "METEOR",
- "version": "1.5.1-beta.5",
+ "version": "1.5.1-rc.0",
  "recommended": false,
  "official": false,
  "description": "Meteor"