diff --git a/Gemfile.lock b/Gemfile.lock
index 95dc680c67..2077cb4dbc 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -17,78 +17,78 @@ GIT
 PATH
   remote: .
   specs:
-    actioncable (6.0.0.beta2)
-      actionpack (= 6.0.0.beta2)
+    actioncable (6.0.0.beta3)
+      actionpack (= 6.0.0.beta3)
       nio4r (~> 2.0)
       websocket-driver (>= 0.6.1)
-    actionmailbox (6.0.0.beta2)
-      actionpack (= 6.0.0.beta2)
-      activejob (= 6.0.0.beta2)
-      activerecord (= 6.0.0.beta2)
-      activestorage (= 6.0.0.beta2)
-      activesupport (= 6.0.0.beta2)
+    actionmailbox (6.0.0.beta3)
+      actionpack (= 6.0.0.beta3)
+      activejob (= 6.0.0.beta3)
+      activerecord (= 6.0.0.beta3)
+      activestorage (= 6.0.0.beta3)
+      activesupport (= 6.0.0.beta3)
       mail (>= 2.7.1)
-    actionmailer (6.0.0.beta2)
-      actionpack (= 6.0.0.beta2)
-      actionview (= 6.0.0.beta2)
-      activejob (= 6.0.0.beta2)
+    actionmailer (6.0.0.beta3)
+      actionpack (= 6.0.0.beta3)
+      actionview (= 6.0.0.beta3)
+      activejob (= 6.0.0.beta3)
       mail (~> 2.5, >= 2.5.4)
       rails-dom-testing (~> 2.0)
-    actionpack (6.0.0.beta2)
-      actionview (= 6.0.0.beta2)
-      activesupport (= 6.0.0.beta2)
+    actionpack (6.0.0.beta3)
+      actionview (= 6.0.0.beta3)
+      activesupport (= 6.0.0.beta3)
       rack (~> 2.0)
       rack-test (>= 0.6.3)
       rails-dom-testing (~> 2.0)
       rails-html-sanitizer (~> 1.0, >= 1.0.2)
-    actiontext (6.0.0.beta2)
-      actionpack (= 6.0.0.beta2)
-      activerecord (= 6.0.0.beta2)
-      activestorage (= 6.0.0.beta2)
-      activesupport (= 6.0.0.beta2)
+    actiontext (6.0.0.beta3)
+      actionpack (= 6.0.0.beta3)
+      activerecord (= 6.0.0.beta3)
+      activestorage (= 6.0.0.beta3)
+      activesupport (= 6.0.0.beta3)
       nokogiri (>= 1.8.5)
-    actionview (6.0.0.beta2)
-      activesupport (= 6.0.0.beta2)
+    actionview (6.0.0.beta3)
+      activesupport (= 6.0.0.beta3)
       builder (~> 3.1)
       erubi (~> 1.4)
       rails-dom-testing (~> 2.0)
       rails-html-sanitizer (~> 1.0, >= 1.0.3)
-    activejob (6.0.0.beta2)
-      activesupport (= 6.0.0.beta2)
+    activejob (6.0.0.beta3)
+      activesupport (= 6.0.0.beta3)
       globalid (>= 0.3.6)
-    activemodel (6.0.0.beta2)
-      activesupport (= 6.0.0.beta2)
-    activerecord (6.0.0.beta2)
-      activemodel (= 6.0.0.beta2)
-      activesupport (= 6.0.0.beta2)
-    activestorage (6.0.0.beta2)
-      actionpack (= 6.0.0.beta2)
-      activerecord (= 6.0.0.beta2)
+    activemodel (6.0.0.beta3)
+      activesupport (= 6.0.0.beta3)
+    activerecord (6.0.0.beta3)
+      activemodel (= 6.0.0.beta3)
+      activesupport (= 6.0.0.beta3)
+    activestorage (6.0.0.beta3)
+      actionpack (= 6.0.0.beta3)
+      activerecord (= 6.0.0.beta3)
       marcel (~> 0.3.1)
-    activesupport (6.0.0.beta2)
+    activesupport (6.0.0.beta3)
       concurrent-ruby (~> 1.0, >= 1.0.2)
       i18n (>= 0.7, < 2)
       minitest (~> 5.1)
       tzinfo (~> 1.1)
       zeitwerk (~> 1.3, >= 1.3.1)
-    rails (6.0.0.beta2)
-      actioncable (= 6.0.0.beta2)
-      actionmailbox (= 6.0.0.beta2)
-      actionmailer (= 6.0.0.beta2)
-      actionpack (= 6.0.0.beta2)
-      actiontext (= 6.0.0.beta2)
-      actionview (= 6.0.0.beta2)
-      activejob (= 6.0.0.beta2)
-      activemodel (= 6.0.0.beta2)
-      activerecord (= 6.0.0.beta2)
-      activestorage (= 6.0.0.beta2)
-      activesupport (= 6.0.0.beta2)
+    rails (6.0.0.beta3)
+      actioncable (= 6.0.0.beta3)
+      actionmailbox (= 6.0.0.beta3)
+      actionmailer (= 6.0.0.beta3)
+      actionpack (= 6.0.0.beta3)
+      actiontext (= 6.0.0.beta3)
+      actionview (= 6.0.0.beta3)
+      activejob (= 6.0.0.beta3)
+      activemodel (= 6.0.0.beta3)
+      activerecord (= 6.0.0.beta3)
+      activestorage (= 6.0.0.beta3)
+      activesupport (= 6.0.0.beta3)
       bundler (>= 1.3.0)
-      railties (= 6.0.0.beta2)
+      railties (= 6.0.0.beta3)
       sprockets-rails (>= 2.0.0)
-    railties (6.0.0.beta2)
-      actionpack (= 6.0.0.beta2)
-      activesupport (= 6.0.0.beta2)
+    railties (6.0.0.beta3)
+      actionpack (= 6.0.0.beta3)
+      activesupport (= 6.0.0.beta3)
       method_source
       rake (>= 0.8.7)
       thor (>= 0.20.3, < 2.0)
@@ -277,7 +277,7 @@ GEM
     hiredis (0.6.3-java)
     http_parser.rb (0.6.0)
     httpclient (2.8.3)
-    i18n (1.5.3)
+    i18n (1.6.0)
       concurrent-ruby (~> 1.0)
     image_processing (1.7.1)
       mini_magick (~> 4.0)
@@ -517,7 +517,7 @@ GEM
     websocket-extensions (0.1.3)
     xpath (3.2.0)
       nokogiri (~> 1.8)
-    zeitwerk (1.3.1)
+    zeitwerk (1.3.2)
 
 PLATFORMS
   java
diff --git a/RAILS_VERSION b/RAILS_VERSION
index 21cfcbd0d8..6b829f5d9b 100644
--- a/RAILS_VERSION
+++ b/RAILS_VERSION
@@ -1 +1 @@
-6.0.0.beta2
+6.0.0.beta3
diff --git a/actioncable/CHANGELOG.md b/actioncable/CHANGELOG.md
index aa72cec9cb..9f312f8806 100644
--- a/actioncable/CHANGELOG.md
+++ b/actioncable/CHANGELOG.md
@@ -1,3 +1,8 @@
+## Rails 6.0.0.beta3 (March 11, 2019) ##
+
+*   No changes.
+
+
 ## Rails 6.0.0.beta2 (February 25, 2019) ##
 
 *   PostgreSQL subscription adapters now support `channel_prefix` option in cable.yml
diff --git a/actioncable/lib/action_cable/gem_version.rb b/actioncable/lib/action_cable/gem_version.rb
index 728b3e90cb..2be81736c6 100644
--- a/actioncable/lib/action_cable/gem_version.rb
+++ b/actioncable/lib/action_cable/gem_version.rb
@@ -10,7 +10,7 @@ module ActionCable
     MAJOR = 6
     MINOR = 0
     TINY  = 0
-    PRE   = "beta2"
+    PRE   = "beta3"
 
     STRING = [MAJOR, MINOR, TINY, PRE].compact.join(".")
   end
diff --git a/actioncable/package.json b/actioncable/package.json
index f6691e10d1..4451afd17f 100644
--- a/actioncable/package.json
+++ b/actioncable/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@rails/actioncable",
-  "version": "6.0.0-beta2",
+  "version": "6.0.0-beta3",
   "description": "WebSocket framework for Ruby on Rails.",
   "main": "app/assets/javascripts/action_cable.js",
   "files": [
diff --git a/actionmailbox/CHANGELOG.md b/actionmailbox/CHANGELOG.md
index d47f72fff7..f59c052d63 100644
--- a/actionmailbox/CHANGELOG.md
+++ b/actionmailbox/CHANGELOG.md
@@ -1,3 +1,8 @@
+## Rails 6.0.0.beta3 (March 11, 2019) ##
+
+*   No changes.
+
+
 ## Rails 6.0.0.beta2 (February 25, 2019) ##
 
 *   Allow skipping incineration of processed emails.
diff --git a/actionmailbox/lib/action_mailbox/gem_version.rb b/actionmailbox/lib/action_mailbox/gem_version.rb
index e7e3317f16..a063553471 100644
--- a/actionmailbox/lib/action_mailbox/gem_version.rb
+++ b/actionmailbox/lib/action_mailbox/gem_version.rb
@@ -10,7 +10,7 @@ module ActionMailbox
     MAJOR = 6
     MINOR = 0
     TINY  = 0
-    PRE   = "beta2"
+    PRE   = "beta3"
 
     STRING = [MAJOR, MINOR, TINY, PRE].compact.join(".")
   end
diff --git a/actionmailer/CHANGELOG.md b/actionmailer/CHANGELOG.md
index e9d8d07c79..182c43551d 100644
--- a/actionmailer/CHANGELOG.md
+++ b/actionmailer/CHANGELOG.md
@@ -1,3 +1,8 @@
+## Rails 6.0.0.beta3 (March 11, 2019) ##
+
+*   No changes.
+
+
 ## Rails 6.0.0.beta2 (February 25, 2019) ##
 
 *   No changes.
diff --git a/actionmailer/lib/action_mailer/gem_version.rb b/actionmailer/lib/action_mailer/gem_version.rb
index 3002fd2ad6..4efcd966db 100644
--- a/actionmailer/lib/action_mailer/gem_version.rb
+++ b/actionmailer/lib/action_mailer/gem_version.rb
@@ -10,7 +10,7 @@ module ActionMailer
     MAJOR = 6
     MINOR = 0
     TINY  = 0
-    PRE   = "beta2"
+    PRE   = "beta3"
 
     STRING = [MAJOR, MINOR, TINY, PRE].compact.join(".")
   end
diff --git a/actionpack/CHANGELOG.md b/actionpack/CHANGELOG.md
index 8eaaee5100..2df6f5fc09 100644
--- a/actionpack/CHANGELOG.md
+++ b/actionpack/CHANGELOG.md
@@ -1,3 +1,8 @@
+## Rails 6.0.0.beta3 (March 11, 2019) ##
+
+*   No changes.
+
+
 ## Rails 6.0.0.beta2 (February 25, 2019) ##
 
 *   Make debug exceptions works in an environment where ActiveStorage is not loaded.
diff --git a/actionpack/lib/action_pack/gem_version.rb b/actionpack/lib/action_pack/gem_version.rb
index 8007cfe35b..3bbb1734d9 100644
--- a/actionpack/lib/action_pack/gem_version.rb
+++ b/actionpack/lib/action_pack/gem_version.rb
@@ -10,7 +10,7 @@ module ActionPack
     MAJOR = 6
     MINOR = 0
     TINY  = 0
-    PRE   = "beta2"
+    PRE   = "beta3"
 
     STRING = [MAJOR, MINOR, TINY, PRE].compact.join(".")
   end
diff --git a/actiontext/CHANGELOG.md b/actiontext/CHANGELOG.md
index 203800da1f..b79ff612fb 100644
--- a/actiontext/CHANGELOG.md
+++ b/actiontext/CHANGELOG.md
@@ -1,3 +1,8 @@
+## Rails 6.0.0.beta3 (March 11, 2019) ##
+
+*   No changes.
+
+
 ## Rails 6.0.0.beta2 (February 25, 2019) ##
 
 *   No changes.
diff --git a/actiontext/lib/action_text/gem_version.rb b/actiontext/lib/action_text/gem_version.rb
index da2a9212d3..ecd32d5f69 100644
--- a/actiontext/lib/action_text/gem_version.rb
+++ b/actiontext/lib/action_text/gem_version.rb
@@ -10,7 +10,7 @@ module ActionText
     MAJOR = 6
     MINOR = 0
     TINY  = 0
-    PRE   = "beta2"
+    PRE   = "beta3"
 
     STRING = [MAJOR, MINOR, TINY, PRE].compact.join(".")
   end
diff --git a/actiontext/package.json b/actiontext/package.json
index 6408d38765..f67fea1642 100644
--- a/actiontext/package.json
+++ b/actiontext/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@rails/actiontext",
-  "version": "6.0.0-beta2",
+  "version": "6.0.0-beta3",
   "description": "Edit and display rich text in Rails applications",
   "main": "app/javascript/actiontext/index.js",
   "files": [
diff --git a/actionview/CHANGELOG.md b/actionview/CHANGELOG.md
index 2e6c37de58..d07794ddf3 100644
--- a/actionview/CHANGELOG.md
+++ b/actionview/CHANGELOG.md
@@ -1,3 +1,8 @@
+## Rails 6.0.0.beta3 (March 11, 2019) ##
+
+*   No changes.
+
+
 ## Rails 6.0.0.beta2 (February 25, 2019) ##
 
 *   ActionView::Template.finalize_compiled_template_methods is deprecated with
diff --git a/actionview/lib/action_view/gem_version.rb b/actionview/lib/action_view/gem_version.rb
index c799967cc5..5bed37583e 100644
--- a/actionview/lib/action_view/gem_version.rb
+++ b/actionview/lib/action_view/gem_version.rb
@@ -10,7 +10,7 @@ module ActionView
     MAJOR = 6
     MINOR = 0
     TINY  = 0
-    PRE   = "beta2"
+    PRE   = "beta3"
 
     STRING = [MAJOR, MINOR, TINY, PRE].compact.join(".")
   end
diff --git a/actionview/package.json b/actionview/package.json
index 98827efd62..e5c8b9bb7d 100644
--- a/actionview/package.json
+++ b/actionview/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@rails/ujs",
-  "version": "6.0.0-beta2",
+  "version": "6.0.0-beta3",
   "description": "Ruby on Rails unobtrusive scripting adapter",
   "main": "lib/assets/compiled/rails-ujs.js",
   "files": [
diff --git a/activejob/CHANGELOG.md b/activejob/CHANGELOG.md
index f782b2d69f..de375baa9c 100644
--- a/activejob/CHANGELOG.md
+++ b/activejob/CHANGELOG.md
@@ -1,3 +1,8 @@
+## Rails 6.0.0.beta3 (March 11, 2019) ##
+
+*   No changes.
+
+
 ## Rails 6.0.0.beta2 (February 25, 2019) ##
 
 *   No changes.
diff --git a/activejob/lib/active_job/gem_version.rb b/activejob/lib/active_job/gem_version.rb
index f303dcddf5..5313a4ab9e 100644
--- a/activejob/lib/active_job/gem_version.rb
+++ b/activejob/lib/active_job/gem_version.rb
@@ -10,7 +10,7 @@ module ActiveJob
     MAJOR = 6
     MINOR = 0
     TINY  = 0
-    PRE   = "beta2"
+    PRE   = "beta3"
 
     STRING = [MAJOR, MINOR, TINY, PRE].compact.join(".")
   end
diff --git a/activemodel/CHANGELOG.md b/activemodel/CHANGELOG.md
index a644c63992..dfb12930ae 100644
--- a/activemodel/CHANGELOG.md
+++ b/activemodel/CHANGELOG.md
@@ -1,3 +1,8 @@
+## Rails 6.0.0.beta3 (March 11, 2019) ##
+
+*   No changes.
+
+
 ## Rails 6.0.0.beta2 (February 25, 2019) ##
 
 *   Fix date value when casting a multiparameter date hash to not convert
diff --git a/activemodel/lib/active_model/gem_version.rb b/activemodel/lib/active_model/gem_version.rb
index 399e724cea..1626aac468 100644
--- a/activemodel/lib/active_model/gem_version.rb
+++ b/activemodel/lib/active_model/gem_version.rb
@@ -10,7 +10,7 @@ module ActiveModel
     MAJOR = 6
     MINOR = 0
     TINY  = 0
-    PRE   = "beta2"
+    PRE   = "beta3"
 
     STRING = [MAJOR, MINOR, TINY, PRE].compact.join(".")
   end
diff --git a/activerecord/CHANGELOG.md b/activerecord/CHANGELOG.md
index 77cb167e7c..c7dd60c20f 100644
--- a/activerecord/CHANGELOG.md
+++ b/activerecord/CHANGELOG.md
@@ -1,3 +1,8 @@
+## Rails 6.0.0.beta3 (March 11, 2019) ##
+
+*   No changes.
+
+
 ## Rails 6.0.0.beta2 (February 25, 2019) ##
 
 *   Fix prepared statements caching to be enabled even when query caching is enabled.
diff --git a/activerecord/lib/active_record/gem_version.rb b/activerecord/lib/active_record/gem_version.rb
index 345441eea8..f77bc2e3c1 100644
--- a/activerecord/lib/active_record/gem_version.rb
+++ b/activerecord/lib/active_record/gem_version.rb
@@ -10,7 +10,7 @@ module ActiveRecord
     MAJOR = 6
     MINOR = 0
     TINY  = 0
-    PRE   = "beta2"
+    PRE   = "beta3"
 
     STRING = [MAJOR, MINOR, TINY, PRE].compact.join(".")
   end
diff --git a/activestorage/CHANGELOG.md b/activestorage/CHANGELOG.md
index ba9204249d..54fc949172 100644
--- a/activestorage/CHANGELOG.md
+++ b/activestorage/CHANGELOG.md
@@ -1,3 +1,8 @@
+## Rails 6.0.0.beta3 (March 11, 2019) ##
+
+*   No changes.
+
+
 ## Rails 6.0.0.beta2 (February 25, 2019) ##
 
 *   No changes.
diff --git a/activestorage/lib/active_storage/gem_version.rb b/activestorage/lib/active_storage/gem_version.rb
index 046534fc07..d8f8577cc3 100644
--- a/activestorage/lib/active_storage/gem_version.rb
+++ b/activestorage/lib/active_storage/gem_version.rb
@@ -10,7 +10,7 @@ module ActiveStorage
     MAJOR = 6
     MINOR = 0
     TINY  = 0
-    PRE   = "beta2"
+    PRE   = "beta3"
 
     STRING = [MAJOR, MINOR, TINY, PRE].compact.join(".")
   end
diff --git a/activestorage/package.json b/activestorage/package.json
index 49b9163bd9..c363acebde 100644
--- a/activestorage/package.json
+++ b/activestorage/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@rails/activestorage",
-  "version": "6.0.0-beta2",
+  "version": "6.0.0-beta3",
   "description": "Attach cloud and local files in Rails applications",
   "main": "app/assets/javascripts/activestorage.js",
   "files": [
diff --git a/activesupport/CHANGELOG.md b/activesupport/CHANGELOG.md
index 3f0c6fbd4e..1566538a53 100644
--- a/activesupport/CHANGELOG.md
+++ b/activesupport/CHANGELOG.md
@@ -1,3 +1,8 @@
+## Rails 6.0.0.beta3 (March 11, 2019) ##
+
+*   No changes.
+
+
 ## Rails 6.0.0.beta2 (February 25, 2019) ##
 
 *   New autoloading based on [Zeitwerk](https://github.com/fxn/zeitwerk).
diff --git a/activesupport/lib/active_support/gem_version.rb b/activesupport/lib/active_support/gem_version.rb
index 009bb895a6..cf17922d7d 100644
--- a/activesupport/lib/active_support/gem_version.rb
+++ b/activesupport/lib/active_support/gem_version.rb
@@ -10,7 +10,7 @@ module ActiveSupport
     MAJOR = 6
     MINOR = 0
     TINY  = 0
-    PRE   = "beta2"
+    PRE   = "beta3"
 
     STRING = [MAJOR, MINOR, TINY, PRE].compact.join(".")
   end
diff --git a/guides/CHANGELOG.md b/guides/CHANGELOG.md
index 41037146a0..beace1ed6f 100644
--- a/guides/CHANGELOG.md
+++ b/guides/CHANGELOG.md
@@ -1,3 +1,8 @@
+## Rails 6.0.0.beta3 (March 11, 2019) ##
+
+*   No changes.
+
+
 ## Rails 6.0.0.beta2 (February 25, 2019) ##
 
 *   No changes.
diff --git a/railties/CHANGELOG.md b/railties/CHANGELOG.md
index 9e8b38733a..907a41933b 100644
--- a/railties/CHANGELOG.md
+++ b/railties/CHANGELOG.md
@@ -1,3 +1,8 @@
+## Rails 6.0.0.beta3 (March 11, 2019) ##
+
+*   No changes.
+
+
 ## Rails 6.0.0.beta2 (February 25, 2019) ##
 
 *   Fix non-symbol access to nested hashes returned from `Rails::Application.config_for`
diff --git a/railties/lib/rails/gem_version.rb b/railties/lib/rails/gem_version.rb
index 249894f9d0..fea24810f5 100644
--- a/railties/lib/rails/gem_version.rb
+++ b/railties/lib/rails/gem_version.rb
@@ -10,7 +10,7 @@ module Rails
     MAJOR = 6
     MINOR = 0
     TINY  = 0
-    PRE   = "beta2"
+    PRE   = "beta3"
 
     STRING = [MAJOR, MINOR, TINY, PRE].compact.join(".")
   end
diff --git a/version.rb b/version.rb
index 249894f9d0..fea24810f5 100644
--- a/version.rb
+++ b/version.rb
@@ -10,7 +10,7 @@ module Rails
     MAJOR = 6
     MINOR = 0
     TINY  = 0
-    PRE   = "beta2"
+    PRE   = "beta3"
 
     STRING = [MAJOR, MINOR, TINY, PRE].compact.join(".")
   end