diff --git a/Gemfile.lock b/Gemfile.lock
index 6042d7bb63..5dea44b409 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -2,8 +2,8 @@ PATH
   remote: .
   specs:
     metasploit-framework (4.11.0.pre.dev)
-      actionpack (< 4.0.0)
-      activesupport (>= 3.0.0, < 4.0.0)
+      actionpack (>= 3.2.21, < 4.0.0)
+      activesupport (>= 3.2.21, < 4.0.0)
       bcrypt
       jsobfu (~> 0.2.0)
       json
@@ -21,7 +21,7 @@ PATH
       sqlite3
       tzinfo
     metasploit-framework-db (4.11.0.pre.dev)
-      activerecord (< 4.0.0)
+      activerecord (>= 3.2.21, < 4.0.0)
       metasploit-credential (~> 0.13.8)
       metasploit-framework (= 4.11.0.pre.dev)
       metasploit_data_models (~> 0.21.1)
diff --git a/lib/metasploit/framework/rails_version_constraint.rb b/lib/metasploit/framework/rails_version_constraint.rb
index cdcb7e3113..9f436dbb20 100644
--- a/lib/metasploit/framework/rails_version_constraint.rb
+++ b/lib/metasploit/framework/rails_version_constraint.rb
@@ -3,9 +3,10 @@
 module Metasploit
   module Framework
     module RailsVersionConstraint
+
       # The Metasploit ecosystem is not ready for Rails 4 as it uses features of
       # Rails 3.X that are removed in Rails 4.
-      RAILS_VERSION = '< 4.0.0'
+      RAILS_VERSION = [ '>= 3.2.21', '< 4.0.0' ]
     end
   end
 end
\ No newline at end of file
diff --git a/metasploit-framework-db.gemspec b/metasploit-framework-db.gemspec
index 86acf809bb..f6901e1b56 100644
--- a/metasploit-framework-db.gemspec
+++ b/metasploit-framework-db.gemspec
@@ -27,7 +27,7 @@ Gem::Specification.new do |spec|
   # no files, just dependencies
   spec.files         = []
 
-  spec.add_runtime_dependency 'activerecord', Metasploit::Framework::RailsVersionConstraint::RAILS_VERSION
+  spec.add_runtime_dependency 'activerecord', *Metasploit::Framework::RailsVersionConstraint::RAILS_VERSION
   # Metasploit::Credential database models
   spec.add_runtime_dependency 'metasploit-credential', '~> 0.13.8'
   # Database models shared between framework and Pro.
diff --git a/metasploit-framework-full.gemspec b/metasploit-framework-full.gemspec
index 5d8809bb18..f3596ec32f 100644
--- a/metasploit-framework-full.gemspec
+++ b/metasploit-framework-full.gemspec
@@ -29,7 +29,7 @@ Gem::Specification.new do |spec|
 
   metasploit_framework_version_constraint = "= #{spec.version}"
 
-  spec.add_runtime_dependency 'rails', Metasploit::Framework::RailsVersionConstraint::RAILS_VERSION
+  spec.add_runtime_dependency 'rails', *Metasploit::Framework::RailsVersionConstraint::RAILS_VERSION
   spec.add_runtime_dependency 'metasploit-framework', metasploit_framework_version_constraint
   spec.add_runtime_dependency 'metasploit-framework-db', metasploit_framework_version_constraint
   spec.add_runtime_dependency 'metasploit-framework-pcap', metasploit_framework_version_constraint
diff --git a/metasploit-framework.gemspec b/metasploit-framework.gemspec
index 854f715c9d..67e51e9b68 100644
--- a/metasploit-framework.gemspec
+++ b/metasploit-framework.gemspec
@@ -49,9 +49,9 @@ Gem::Specification.new do |spec|
 
 
   # Need 3+ for ActiveSupport::Concern
-  spec.add_runtime_dependency 'activesupport', '>= 3.0.0', Metasploit::Framework::RailsVersionConstraint::RAILS_VERSION
+  spec.add_runtime_dependency 'activesupport', *Metasploit::Framework::RailsVersionConstraint::RAILS_VERSION
   # Needed for config.action_view for view plugin compatibility for Pro
-  spec.add_runtime_dependency 'actionpack', Metasploit::Framework::RailsVersionConstraint::RAILS_VERSION
+  spec.add_runtime_dependency 'actionpack', *Metasploit::Framework::RailsVersionConstraint::RAILS_VERSION
   # Needed for some admin modules (cfme_manageiq_evm_pass_reset.rb)
   spec.add_runtime_dependency 'bcrypt'
   # Needed for Javascript obfuscation