diff --git a/ask-sdk-model/CHANGELOG.rst b/ask-sdk-model/CHANGELOG.rst
index d5d9500..051a7d8 100644
--- a/ask-sdk-model/CHANGELOG.rst
+++ b/ask-sdk-model/CHANGELOG.rst
@@ -90,3 +90,12 @@ This release includes the following:
 This release includes the following : 
 
 - Models for Reminders
+
+
+1.6.1
+^^^^^^^
+
+This release contains the following changes:
+
+- Updated enum values for Reminder Status
+- Updated OutputSpeech model
diff --git a/ask-sdk-model/ask_sdk_model/__version__.py b/ask-sdk-model/ask_sdk_model/__version__.py
index 1d763aa..456f20e 100644
--- a/ask-sdk-model/ask_sdk_model/__version__.py
+++ b/ask-sdk-model/ask_sdk_model/__version__.py
@@ -14,7 +14,7 @@
 __pip_package_name__ = 'ask-sdk-model'
 __description__ = 'The ASK SDK Model package provides model definitions, for building Alexa Skills.'
 __url__ = 'https://github.com/alexa/alexa-apis-for-python'
-__version__ = '1.6.0'
+__version__ = '1.6.1'
 __author__ = 'Alexa Skills Kit'
 __author_email__ = 'ask-sdk-dynamic@amazon.com'
 __license__ = 'Apache 2.0'
diff --git a/ask-sdk-model/ask_sdk_model/services/reminder_management/status.py b/ask-sdk-model/ask_sdk_model/services/reminder_management/status.py
index ae1950f..5ff4ca3 100644
--- a/ask-sdk-model/ask_sdk_model/services/reminder_management/status.py
+++ b/ask-sdk-model/ask_sdk_model/services/reminder_management/status.py
@@ -31,9 +31,9 @@ class Status(Enum):
 
 
 
-    Allowed enum values: [true, COMPLETED]
+    Allowed enum values: [ON, COMPLETED]
     """
-    true = "true"
+    ON = "ON"
     COMPLETED = "COMPLETED"
     def to_dict(self):
         # type: () -> Dict[str, object]
diff --git a/ask-sdk-model/ask_sdk_model/ui/__init__.py b/ask-sdk-model/ask_sdk_model/ui/__init__.py
index a2b9591..1cd4d91 100644
--- a/ask-sdk-model/ask_sdk_model/ui/__init__.py
+++ b/ask-sdk-model/ask_sdk_model/ui/__init__.py
@@ -22,5 +22,6 @@
 from .output_speech import OutputSpeech
 from .image import Image
 from .card import Card
+from .play_behavior import PlayBehavior
 from .ask_for_permissions_consent_card import AskForPermissionsConsentCard
 from .simple_card import SimpleCard
diff --git a/ask-sdk-model/ask_sdk_model/ui/output_speech.py b/ask-sdk-model/ask_sdk_model/ui/output_speech.py
index d74ec98..77104aa 100644
--- a/ask-sdk-model/ask_sdk_model/ui/output_speech.py
+++ b/ask-sdk-model/ask_sdk_model/ui/output_speech.py
@@ -24,6 +24,7 @@
 if typing.TYPE_CHECKING:
     from typing import Dict, List, Optional
     from datetime import datetime
+    from ask_sdk_model.ui.play_behavior import PlayBehavior
 
 
 class OutputSpeech(object):
@@ -31,6 +32,8 @@ class OutputSpeech(object):
 
     :param object_type: 
     :type object_type: (optional) str
+    :param play_behavior: 
+    :type play_behavior: (optional) ask_sdk_model.ui.play_behavior.PlayBehavior
 
     .. note::
 
@@ -43,11 +46,13 @@ class OutputSpeech(object):
 
     """
     deserialized_types = {
-        'object_type': 'str'
+        'object_type': 'str',
+        'play_behavior': 'ask_sdk_model.ui.play_behavior.PlayBehavior'
     }
 
     attribute_map = {
-        'object_type': 'type'
+        'object_type': 'type',
+        'play_behavior': 'playBehavior'
     }
 
     discriminator_value_class_map = {
@@ -60,16 +65,19 @@ class OutputSpeech(object):
     __metaclass__ = ABCMeta
 
     @abstractmethod
-    def __init__(self, object_type=None):
-        # type: (Optional[str]) -> None
+    def __init__(self, object_type=None, play_behavior=None):
+        # type: (Optional[str], Optional[PlayBehavior]) -> None
         """
 
         :param object_type: 
         :type object_type: (optional) str
+        :param play_behavior: 
+        :type play_behavior: (optional) ask_sdk_model.ui.play_behavior.PlayBehavior
         """
         self.__discriminator_value = None
 
         self.object_type = object_type
+        self.play_behavior = play_behavior
 
     @classmethod
     def get_real_child_model(cls, data):
diff --git a/ask-sdk-model/ask_sdk_model/ui/plain_text_output_speech.py b/ask-sdk-model/ask_sdk_model/ui/plain_text_output_speech.py
index 4bcac26..8d84b2e 100644
--- a/ask-sdk-model/ask_sdk_model/ui/plain_text_output_speech.py
+++ b/ask-sdk-model/ask_sdk_model/ui/plain_text_output_speech.py
@@ -24,36 +24,43 @@
 if typing.TYPE_CHECKING:
     from typing import Dict, List, Optional
     from datetime import datetime
+    from ask_sdk_model.ui.play_behavior import PlayBehavior
 
 
 class PlainTextOutputSpeech(OutputSpeech):
     """
 
+    :param play_behavior: 
+    :type play_behavior: (optional) ask_sdk_model.ui.play_behavior.PlayBehavior
     :param text: 
     :type text: (optional) str
 
     """
     deserialized_types = {
         'object_type': 'str',
+        'play_behavior': 'ask_sdk_model.ui.play_behavior.PlayBehavior',
         'text': 'str'
     }
 
     attribute_map = {
         'object_type': 'type',
+        'play_behavior': 'playBehavior',
         'text': 'text'
     }
 
-    def __init__(self, text=None):
-        # type: (Optional[str]) -> None
+    def __init__(self, play_behavior=None, text=None):
+        # type: (Optional[PlayBehavior], Optional[str]) -> None
         """
 
+        :param play_behavior: 
+        :type play_behavior: (optional) ask_sdk_model.ui.play_behavior.PlayBehavior
         :param text: 
         :type text: (optional) str
         """
         self.__discriminator_value = "PlainText"
 
         self.object_type = self.__discriminator_value
-        super(PlainTextOutputSpeech, self).__init__(object_type=self.__discriminator_value)
+        super(PlainTextOutputSpeech, self).__init__(object_type=self.__discriminator_value, play_behavior=play_behavior)
         self.text = text
 
     def to_dict(self):
diff --git a/ask-sdk-model/ask_sdk_model/ui/play_behavior.py b/ask-sdk-model/ask_sdk_model/ui/play_behavior.py
new file mode 100644
index 0000000..65d105a
--- /dev/null
+++ b/ask-sdk-model/ask_sdk_model/ui/play_behavior.py
@@ -0,0 +1,66 @@
+# coding: utf-8
+
+#
+# Copyright 2018 Amazon.com, Inc. or its affiliates. All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License"). You may not use this file
+# except in compliance with the License. A copy of the License is located at
+#
+# http://aws.amazon.com/apache2.0/
+#
+# or in the "license" file accompanying this file. This file 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.
+#
+
+import pprint
+import re  # noqa: F401
+import six
+import typing
+from enum import Enum
+
+
+if typing.TYPE_CHECKING:
+    from typing import Dict, List, Optional
+    from datetime import datetime
+
+
+class PlayBehavior(Enum):
+    """
+    Determines whether Alexa will queue or play this output speech immediately interrupting other speech
+
+
+
+    Allowed enum values: [ENQUEUE, REPLACE_ALL, REPLACE_ENQUEUED]
+    """
+    ENQUEUE = "ENQUEUE"
+    REPLACE_ALL = "REPLACE_ALL"
+    REPLACE_ENQUEUED = "REPLACE_ENQUEUED"
+    def to_dict(self):
+        # type: () -> Dict[str, object]
+        """Returns the model properties as a dict"""
+        result = {self.name: self.value}
+        return result
+
+    def to_str(self):
+        # type: () -> str
+        """Returns the string representation of the model"""
+        return pprint.pformat(self.value)
+
+    def __repr__(self):
+        # type: () -> str
+        """For `print` and `pprint`"""
+        return self.to_str()
+
+    def __eq__(self, other):
+        # type: (object) -> bool
+        """Returns true if both objects are equal"""
+        if not isinstance(other, PlayBehavior):
+            return False
+
+        return self.__dict__ == other.__dict__
+
+    def __ne__(self, other):
+        # type: (object) -> bool
+        """Returns true if both objects are not equal"""
+        return not self == other
diff --git a/ask-sdk-model/ask_sdk_model/ui/ssml_output_speech.py b/ask-sdk-model/ask_sdk_model/ui/ssml_output_speech.py
index 6c19ed7..91fb2b3 100644
--- a/ask-sdk-model/ask_sdk_model/ui/ssml_output_speech.py
+++ b/ask-sdk-model/ask_sdk_model/ui/ssml_output_speech.py
@@ -24,36 +24,43 @@
 if typing.TYPE_CHECKING:
     from typing import Dict, List, Optional
     from datetime import datetime
+    from ask_sdk_model.ui.play_behavior import PlayBehavior
 
 
 class SsmlOutputSpeech(OutputSpeech):
     """
 
+    :param play_behavior: 
+    :type play_behavior: (optional) ask_sdk_model.ui.play_behavior.PlayBehavior
     :param ssml: 
     :type ssml: (optional) str
 
     """
     deserialized_types = {
         'object_type': 'str',
+        'play_behavior': 'ask_sdk_model.ui.play_behavior.PlayBehavior',
         'ssml': 'str'
     }
 
     attribute_map = {
         'object_type': 'type',
+        'play_behavior': 'playBehavior',
         'ssml': 'ssml'
     }
 
-    def __init__(self, ssml=None):
-        # type: (Optional[str]) -> None
+    def __init__(self, play_behavior=None, ssml=None):
+        # type: (Optional[PlayBehavior], Optional[str]) -> None
         """
 
+        :param play_behavior: 
+        :type play_behavior: (optional) ask_sdk_model.ui.play_behavior.PlayBehavior
         :param ssml: 
         :type ssml: (optional) str
         """
         self.__discriminator_value = "SSML"
 
         self.object_type = self.__discriminator_value
-        super(SsmlOutputSpeech, self).__init__(object_type=self.__discriminator_value)
+        super(SsmlOutputSpeech, self).__init__(object_type=self.__discriminator_value, play_behavior=play_behavior)
         self.ssml = ssml
 
     def to_dict(self):