diff --git a/packages/appcache/package.js b/packages/appcache/package.js
index e0f34d774d..0e320b43e0 100644
--- a/packages/appcache/package.js
+++ b/packages/appcache/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Enable the application cache in the browser",
-  version: "1.2.0-rc17.11",
+  version: "1.2.0-rc17.12",
 });
 
 Package.onUse(api => {
diff --git a/packages/babel-compiler/package.js b/packages/babel-compiler/package.js
index 1258634309..c2834f3b31 100644
--- a/packages/babel-compiler/package.js
+++ b/packages/babel-compiler/package.js
@@ -6,7 +6,7 @@ Package.describe({
   // isn't possible because you can't publish a non-recommended
   // release with package versions that don't have a pre-release
   // identifier at the end (eg, -dev)
-  version: '7.1.0-rc17.11'
+  version: '7.1.0-rc17.12'
 });
 
 Npm.depends({
diff --git a/packages/boilerplate-generator-tests/package.js b/packages/boilerplate-generator-tests/package.js
index b0aa19b245..9b57759731 100644
--- a/packages/boilerplate-generator-tests/package.js
+++ b/packages/boilerplate-generator-tests/package.js
@@ -2,7 +2,7 @@ Package.describe({
   // These tests are in a separate package so that we can Npm.depend on
   // parse5, a html parsing library.
   summary: "Tests for the boilerplate-generator package",
-  version: '1.5.0-rc17.11',
+  version: '1.5.0-rc17.12',
   documentation: null
 });
 
diff --git a/packages/boilerplate-generator/package.js b/packages/boilerplate-generator/package.js
index edc57de3be..894dfa6e33 100644
--- a/packages/boilerplate-generator/package.js
+++ b/packages/boilerplate-generator/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Generates the boilerplate html from program's manifest",
-  version: '1.5.0-rc17.11'
+  version: '1.5.0-rc17.12'
 });
 
 Npm.depends({
diff --git a/packages/ddp-server/package.js b/packages/ddp-server/package.js
index 9ad10e6a73..c47c30a72c 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: '2.2.0-rc17.11',
+  version: '2.2.0-rc17.12',
   documentation: null
 });
 
diff --git a/packages/dynamic-import/package.js b/packages/dynamic-import/package.js
index 669374a9ee..d941fb95af 100644
--- a/packages/dynamic-import/package.js
+++ b/packages/dynamic-import/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   name: "dynamic-import",
-  version: "0.4.0-rc17.11",
+  version: "0.4.0-rc17.12",
   summary: "Runtime support for Meteor 1.5 dynamic import(...) syntax",
   documentation: "README.md"
 });
diff --git a/packages/ecmascript-runtime-client/package.js b/packages/ecmascript-runtime-client/package.js
index 1229769f58..0af3223f73 100644
--- a/packages/ecmascript-runtime-client/package.js
+++ b/packages/ecmascript-runtime-client/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   name: "ecmascript-runtime-client",
-  version: "0.7.0-rc17.11",
+  version: "0.7.0-rc17.12",
   summary: "Polyfills for new ECMAScript 2015 APIs like Map and Set",
   git: "https://github.com/meteor/meteor/tree/devel/packages/ecmascript-runtime-client",
   documentation: "README.md"
diff --git a/packages/ecmascript-runtime-server/package.js b/packages/ecmascript-runtime-server/package.js
index 35c9bae58b..96581b4445 100644
--- a/packages/ecmascript-runtime-server/package.js
+++ b/packages/ecmascript-runtime-server/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   name: "ecmascript-runtime-server",
-  version: "0.7.0-rc17.11",
+  version: "0.7.0-rc17.12",
   summary: "Polyfills for new ECMAScript 2015 APIs like Map and Set",
   git: "https://github.com/meteor/meteor/tree/devel/packages/ecmascript-runtime-client",
   documentation: "README.md"
diff --git a/packages/ecmascript-runtime/package.js b/packages/ecmascript-runtime/package.js
index 4f572a9c51..9579f27ca3 100644
--- a/packages/ecmascript-runtime/package.js
+++ b/packages/ecmascript-runtime/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   name: "ecmascript-runtime",
-  version: "0.7.0-rc17.11",
+  version: "0.7.0-rc17.12",
   summary: "Polyfills for new ECMAScript 2015 APIs like Map and Set",
   git: "https://github.com/meteor/ecmascript-runtime",
   documentation: "README.md"
diff --git a/packages/ecmascript/package.js b/packages/ecmascript/package.js
index 8ea0182198..3786712170 100644
--- a/packages/ecmascript/package.js
+++ b/packages/ecmascript/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   name: 'ecmascript',
-  version: '0.11.0-rc17.11',
+  version: '0.11.0-rc17.12',
   summary: 'Compiler plugin that supports ES2015+ in all .js files',
   documentation: 'README.md'
 });
diff --git a/packages/es5-shim/package.js b/packages/es5-shim/package.js
index 785cbac300..3d00be89c0 100644
--- a/packages/es5-shim/package.js
+++ b/packages/es5-shim/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   name: "es5-shim",
-  version: "4.8.0-rc17.11",
+  version: "4.8.0-rc17.12",
   summary: "Shims and polyfills to improve ECMAScript 5 support",
   documentation: "README.md"
 });
diff --git a/packages/facebook-oauth/package.js b/packages/facebook-oauth/package.js
index 41d2a51571..97c389e3ae 100644
--- a/packages/facebook-oauth/package.js
+++ b/packages/facebook-oauth/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Facebook OAuth flow",
-  version: "1.5.0-rc17.11"
+  version: "1.5.0-rc17.12"
 });
 
 Package.onUse(function(api) {
diff --git a/packages/meteor-base/package.js b/packages/meteor-base/package.js
index a9f9c37c58..222424d853 100644
--- a/packages/meteor-base/package.js
+++ b/packages/meteor-base/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   name: 'meteor-base',
-  version: '1.4.0-rc17.11',
+  version: '1.4.0-rc17.12',
   // Brief, one-line summary of the package.
   summary: 'Packages that every Meteor app needs',
   // By default, Meteor will default to using README.md for documentation.
diff --git a/packages/meteor-tool/package.js b/packages/meteor-tool/package.js
index 89e6aee521..5a7b2bdbe9 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: '1.7.0-rc.11'
+  version: '1.7.0-rc.12'
 });
 
 Package.includeTool();
diff --git a/packages/meteor/package.js b/packages/meteor/package.js
index 23412d2ada..11fedf7ce2 100644
--- a/packages/meteor/package.js
+++ b/packages/meteor/package.js
@@ -2,7 +2,7 @@
 
 Package.describe({
   summary: "Core Meteor environment",
-  version: '1.9.0-rc17.11'
+  version: '1.9.0-rc17.12'
 });
 
 Package.registerBuildPlugin({
diff --git a/packages/modern-browsers/package.js b/packages/modern-browsers/package.js
index 6a5bc04194..834b6e1b63 100644
--- a/packages/modern-browsers/package.js
+++ b/packages/modern-browsers/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   name: "modern-browsers",
-  version: "0.1.0-rc17.11",
+  version: "0.1.0-rc17.12",
   summary: "API for defining the boundary between modern and legacy " +
     "JavaScript clients",
   documentation: "README.md"
diff --git a/packages/modules-runtime/package.js b/packages/modules-runtime/package.js
index 6d0901a0f1..f4a03ca7f5 100644
--- a/packages/modules-runtime/package.js
+++ b/packages/modules-runtime/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   name: "modules-runtime",
-  version: "0.10.0-rc17.11",
+  version: "0.10.0-rc17.12",
   summary: "CommonJS module system",
   git: "https://github.com/benjamn/install",
   documentation: "README.md"
diff --git a/packages/modules/package.js b/packages/modules/package.js
index 460323c564..40a775e808 100644
--- a/packages/modules/package.js
+++ b/packages/modules/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   name: "modules",
-  version: "0.12.0",
+  version: "0.12.0-rc17.12",
   summary: "CommonJS module system",
   documentation: "README.md"
 });
diff --git a/packages/mongo/package.js b/packages/mongo/package.js
index c9ba38aa4b..44c590f9cc 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: '1.5.0-rc17.11'
+  version: '1.5.0-rc17.12'
 });
 
 Npm.depends({
diff --git a/packages/npm-mongo/package.js b/packages/npm-mongo/package.js
index 607d25381a..cd57130937 100644
--- a/packages/npm-mongo/package.js
+++ b/packages/npm-mongo/package.js
@@ -3,7 +3,7 @@
 
 Package.describe({
   summary: "Wrapper around the mongo npm package",
-  version: "3.0.7-rc17.11",
+  version: "3.0.7-rc17.12",
   documentation: null
 });
 
diff --git a/packages/promise/package.js b/packages/promise/package.js
index 5bd81e7f1c..c22f6a04f0 100644
--- a/packages/promise/package.js
+++ b/packages/promise/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   name: "promise",
-  version: "0.11.0-rc17.11",
+  version: "0.11.0-rc17.12",
   summary: "ECMAScript 2015 Promise polyfill with Fiber support",
   git: "https://github.com/meteor/promise",
   documentation: "README.md"
diff --git a/packages/socket-stream-client/package.js b/packages/socket-stream-client/package.js
index d3f12ed279..a24a1d6876 100644
--- a/packages/socket-stream-client/package.js
+++ b/packages/socket-stream-client/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   name: "socket-stream-client",
-  version: "0.2.0-rc17.11",
+  version: "0.2.0-rc17.12",
   summary: "Provides the ClientStream abstraction used by ddp-client",
   documentation: "README.md"
 });
diff --git a/packages/test-helpers/package.js b/packages/test-helpers/package.js
index c0f90a2402..2c8f49652d 100644
--- a/packages/test-helpers/package.js
+++ b/packages/test-helpers/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Utility functions for tests",
-  version: '1.1.0-rc17.11'
+  version: '1.1.0-rc17.12'
 });
 
 Package.onUse(function (api) {
diff --git a/packages/tracker/package.js b/packages/tracker/package.js
index b9c43e9bf8..4c462d599f 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: "1.2.0-rc17.11"
+  version: "1.2.0-rc17.12"
 });
 
 Package.onUse(function (api) {
diff --git a/packages/webapp/package.js b/packages/webapp/package.js
index a05f496a75..5f1449e6c8 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: '1.6.0-rc17.11'
+  version: '1.6.0-rc17.12'
 });
 
 Npm.depends({"basic-auth-connect": "1.0.0",
diff --git a/scripts/admin/meteor-release-experimental.json b/scripts/admin/meteor-release-experimental.json
index 475e1b9053..2fa29b964f 100644
--- a/scripts/admin/meteor-release-experimental.json
+++ b/scripts/admin/meteor-release-experimental.json
@@ -1,6 +1,6 @@
 {
   "track": "METEOR",
-  "version": "1.7-rc.11",
+  "version": "1.7-rc.12",
   "recommended": false,
   "official": false,
   "description": "Meteor"