diff --git a/RAILS_VERSION b/RAILS_VERSION
index 4a36342fcab70..cb2b00e4f7a7b 100644
--- a/RAILS_VERSION
+++ b/RAILS_VERSION
@@ -1 +1 @@
-3.0.0
+3.0.1
diff --git a/actionmailer/CHANGELOG b/actionmailer/CHANGELOG
index 2f43592506f61..c342fcf9afc1b 100644
--- a/actionmailer/CHANGELOG
+++ b/actionmailer/CHANGELOG
@@ -1,3 +1,7 @@
+*Rails 3.0.1 (October 15, 2010)*
+
+* No Changes, just a version bump.
+
 *Rails 3.0.0 (August 29, 2010)*
 
 * subject is automatically looked up on I18n using mailer_name and action_name as scope as in t(".subject") [JK]
diff --git a/actionmailer/lib/action_mailer/version.rb b/actionmailer/lib/action_mailer/version.rb
index c8cd3b6109064..594b78d83f9d5 100644
--- a/actionmailer/lib/action_mailer/version.rb
+++ b/actionmailer/lib/action_mailer/version.rb
@@ -2,7 +2,7 @@ module ActionMailer
   module VERSION #:nodoc:
     MAJOR = 3
     MINOR = 0
-    TINY  = 0
+    TINY  = 1
 
     STRING = [MAJOR, MINOR, TINY].join('.')
   end
diff --git a/actionpack/CHANGELOG b/actionpack/CHANGELOG
index a0ada7d00332d..c11b6f559d0ce 100644
--- a/actionpack/CHANGELOG
+++ b/actionpack/CHANGELOG
@@ -1,3 +1,7 @@
+*Rails 3.0.1 (October 15, 2010)*
+
+* No Changes, just a version bump.
+
 *Rails 3.0.0 (August 29, 2010)*
 
 * Symbols and strings in routes should yield the same behavior. Note this may break existing apps that were using symbols with the new routes API [José Valim]
diff --git a/actionpack/lib/action_pack/version.rb b/actionpack/lib/action_pack/version.rb
index 7048b7113054f..620ec7b8b0c3c 100644
--- a/actionpack/lib/action_pack/version.rb
+++ b/actionpack/lib/action_pack/version.rb
@@ -2,7 +2,7 @@ module ActionPack
   module VERSION #:nodoc:
     MAJOR = 3
     MINOR = 0
-    TINY  = 0
+    TINY  = 1
 
     STRING = [MAJOR, MINOR, TINY].join('.')
   end
diff --git a/activemodel/CHANGELOG b/activemodel/CHANGELOG
index 58517d08cef15..b1bed49d45320 100644
--- a/activemodel/CHANGELOG
+++ b/activemodel/CHANGELOG
@@ -1,3 +1,7 @@
+*Rails 3.0.1 (October 15, 2010)*
+
+* No Changes, just a version bump.
+
 *Rails 3.0.0 (August 29, 2010)*
 
 * Added ActiveModel::MassAssignmentSecurity [Eric Chapweske, Josh Kalderimis]
diff --git a/activemodel/lib/active_model/version.rb b/activemodel/lib/active_model/version.rb
index 0d695b1b0c3bc..78dac8fbfcea8 100644
--- a/activemodel/lib/active_model/version.rb
+++ b/activemodel/lib/active_model/version.rb
@@ -2,7 +2,7 @@ module ActiveModel
   module VERSION #:nodoc:
     MAJOR = 3
     MINOR = 0
-    TINY  = 0
+    TINY  = 1
 
     STRING = [MAJOR, MINOR, TINY].join('.')
   end
diff --git a/activerecord/CHANGELOG b/activerecord/CHANGELOG
index ca4a31090fa0e..d043a25da620d 100644
--- a/activerecord/CHANGELOG
+++ b/activerecord/CHANGELOG
@@ -1,3 +1,7 @@
+*Rails 3.0.1 (October 15, 2010)*
+
+* Introduce a fix for CVE-2010-3993
+
 *Rails 3.0.0 (August 29, 2010)*
 
 * Changed update_attribute to not run callbacks and update the record directly in the database [Neeraj Singh]
diff --git a/activerecord/lib/active_record/version.rb b/activerecord/lib/active_record/version.rb
index 06b8b884fc9c5..1dc4ae5ee2015 100644
--- a/activerecord/lib/active_record/version.rb
+++ b/activerecord/lib/active_record/version.rb
@@ -2,7 +2,7 @@ module ActiveRecord
   module VERSION #:nodoc:
     MAJOR = 3
     MINOR = 0
-    TINY  = 0
+    TINY  = 1
 
     STRING = [MAJOR, MINOR, TINY].join('.')
   end
diff --git a/activeresource/CHANGELOG b/activeresource/CHANGELOG
index d137cc6df4558..74510fe0510a1 100644
--- a/activeresource/CHANGELOG
+++ b/activeresource/CHANGELOG
@@ -1,3 +1,7 @@
+*Rails 3.0.1 (October 15, 2010)*
+
+* No Changes, just a version bump.
+
 *Rails 3.0.0 (August 29, 2010)*
 
 * JSON: set Base.include_root_in_json = true to include a root value in the JSON: {"post": {"title": ...}}. Mirrors the Active Record option.  [Santiago Pastorino]
diff --git a/activeresource/lib/active_resource/version.rb b/activeresource/lib/active_resource/version.rb
index 7edf09d97a02b..19348d6e07f7d 100644
--- a/activeresource/lib/active_resource/version.rb
+++ b/activeresource/lib/active_resource/version.rb
@@ -2,7 +2,7 @@ module ActiveResource
   module VERSION #:nodoc:
     MAJOR = 3
     MINOR = 0
-    TINY  = 0
+    TINY  = 1
 
     STRING = [MAJOR, MINOR, TINY].join('.')
   end
diff --git a/activesupport/CHANGELOG b/activesupport/CHANGELOG
index f6d0f9ef8532b..9711384bc8881 100644
--- a/activesupport/CHANGELOG
+++ b/activesupport/CHANGELOG
@@ -1,3 +1,7 @@
+*Rails 3.0.1 (October 15, 2010)*
+
+* No Changes, just a version bump.
+
 *Rails 3.0.0 (August 29, 2010)*
 
 * Implemented String#strip_heredoc. [fxn]
diff --git a/activesupport/lib/active_support/version.rb b/activesupport/lib/active_support/version.rb
index 311db4bae9402..38d9b8a32356c 100644
--- a/activesupport/lib/active_support/version.rb
+++ b/activesupport/lib/active_support/version.rb
@@ -2,7 +2,7 @@ module ActiveSupport
   module VERSION #:nodoc:
     MAJOR = 3
     MINOR = 0
-    TINY  = 0
+    TINY  = 1
 
     STRING = [MAJOR, MINOR, TINY].join('.')
   end
diff --git a/railties/CHANGELOG b/railties/CHANGELOG
index c58f21e0b4354..e093359df9a54 100644
--- a/railties/CHANGELOG
+++ b/railties/CHANGELOG
@@ -1,3 +1,7 @@
+*Rails 3.0.1 (October 15, 2010)*
+
+* No Changes, just a version bump.
+
 *Rails 3.0.0 (August 29, 2010)*
 
 * Application generation: --skip-testunit and --skip-activerecord become --skip-test-unit
diff --git a/railties/lib/rails/version.rb b/railties/lib/rails/version.rb
index 8102adf007a40..ee40e1c4e3848 100644
--- a/railties/lib/rails/version.rb
+++ b/railties/lib/rails/version.rb
@@ -2,7 +2,7 @@ module Rails
   module VERSION #:nodoc:
     MAJOR = 3
     MINOR = 0
-    TINY  = 0
+    TINY  = 1
 
     STRING = [MAJOR, MINOR, TINY].join('.')
   end
diff --git a/version.rb b/version.rb
index 86ced784d94eb..c5ec1476097c0 100644
--- a/version.rb
+++ b/version.rb
@@ -2,9 +2,9 @@ module Rails
   module VERSION #:nodoc:
     MAJOR = 3
     MINOR = 0
-    TINY  = 0
-    BUILD = "rc2"
+    TINY  = 1
+    BUILD = nil
 
-    STRING = [MAJOR, MINOR, TINY, BUILD].join('.')
+    STRING = [MAJOR, MINOR, TINY, BUILD].compact.join('.')
   end
 end