3 files changed, 18 insertions, 4 deletions
diff --git a/actionpack/lib/action_dispatch/http/request.rb b/actionpack/lib/action_dispatch/http/request.rb
index d24c7c7f3f..b8ebeb408f 100644
--- a/actionpack/lib/action_dispatch/http/request.rb
+++ b/actionpack/lib/action_dispatch/http/request.rb
@@ -227,8 +227,11 @@ module ActionDispatch
     # TODO This should be broken apart into AD::Request::Session and probably
     # be included by the session middleware.
     def reset_session
-      session.destroy if session && session.respond_to?(:destroy)
-      self.session = {}
+      if session && session.respond_to?(:destroy)
+        session.destroy
+      else
+        self.session = {}
+      end
       @env['action_dispatch.request.flash_hash'] = nil
     end
 
diff --git a/actionpack/lib/action_dispatch/middleware/session/cookie_store.rb b/actionpack/lib/action_dispatch/middleware/session/cookie_store.rb
index 9b159b2caf..019849ef95 100644
--- a/actionpack/lib/action_dispatch/middleware/session/cookie_store.rb
+++ b/actionpack/lib/action_dispatch/middleware/session/cookie_store.rb
@@ -44,6 +44,14 @@ module ActionDispatch
       include StaleSessionCheck
       include SessionObject
 
+      # Override rack's method
+      def destroy_session(env, session_id, options)
+        new_sid = super
+        # Reset hash and Assign the new session id
+        env["action_dispatch.request.unsigned_session_cookie"] = new_sid ? { "session_id" => new_sid } : {}
+        new_sid
+      end
+
       private
 
       def unpacked_cookie_data(env)
diff --git a/actionpack/lib/action_dispatch/request/session.rb b/actionpack/lib/action_dispatch/request/session.rb
index 35d694b4a1..a05a23d953 100644
--- a/actionpack/lib/action_dispatch/request/session.rb
+++ b/actionpack/lib/action_dispatch/request/session.rb
@@ -70,9 +70,12 @@ module ActionDispatch
       def destroy
         clear
         options = self.options || {}
-        @by.send(:destroy_session, @env, options[:id], options)
-        options[:id] = nil
+        new_sid = @by.send(:destroy_session, @env, options[:id], options)
+        options[:id] = new_sid # Reset session id with a new value or nil
+
+        # Load the new sid to be written with the response
         @loaded = false
+        load_for_write!
       end
 
       def [](key)