lib/mongo/session/server_session.rb in mongo-2.19.3 vs lib/mongo/session/server_session.rb in mongo-2.20.0

@@ -13,19 +13,22 @@
 # distributed under the License is distributed on an "AS IS" BASIS,
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+require 'mongo/session/server_session/dirtyable'
+
 module Mongo
 
   class Session
 
     # An object representing the server-side session.
     #
     # @api private
     #
     # @since 2.5.0
     class ServerSession
+      include Dirtyable
 
       # Regex for removing dashes from the UUID string.
       #
       # @since 2.5.0
       DASH_REGEX = /\-/.freeze