diff --git a/sdk/eventhub/azure-mgmt-eventhub/CHANGELOG.md b/sdk/eventhub/azure-mgmt-eventhub/CHANGELOG.md
index a9f4e9895ba4..e3b804941383 100644
--- a/sdk/eventhub/azure-mgmt-eventhub/CHANGELOG.md
+++ b/sdk/eventhub/azure-mgmt-eventhub/CHANGELOG.md
@@ -1,5 +1,23 @@
 # Release History
 
+## 4.0.0 (2020-06-12)
+
+**Features**
+
+  - Model Cluster has a new parameter updated_at
+  - Model Cluster has a new parameter created_at
+  - Added operation ClustersOperations.update
+  - Added operation ClustersOperations.create_or_update
+  - Added operation ClustersOperations.list_available_cluster_region
+
+**Breaking changes**
+
+  - Model Cluster no longer has parameter created
+  - Model Cluster no longer has parameter updated
+  - Removed operation ClustersOperations.put
+  - Removed operation ClustersOperations.list_available_clusters
+  - Removed operation ClustersOperations.patch
+
 ## 3.1.0 (2020-05-13)
 
 **Features**
@@ -198,4 +216,4 @@ This wheel package is built with the azure wheel extension
 
 ## 0.1.0 (2016-10-27)
 
-  - Initial Release
\ No newline at end of file
+  - Initial Release
diff --git a/sdk/eventhub/azure-mgmt-eventhub/azure/mgmt/eventhub/v2018_01_01_preview/models/_models.py b/sdk/eventhub/azure-mgmt-eventhub/azure/mgmt/eventhub/v2018_01_01_preview/models/_models.py
index e9e511d87af7..685d7203f205 100644
--- a/sdk/eventhub/azure-mgmt-eventhub/azure/mgmt/eventhub/v2018_01_01_preview/models/_models.py
+++ b/sdk/eventhub/azure-mgmt-eventhub/azure/mgmt/eventhub/v2018_01_01_preview/models/_models.py
@@ -1024,6 +1024,9 @@ class NetworkRuleSet(Resource):
     :vartype name: str
     :ivar type: Resource type.
     :vartype type: str
+    :param trusted_service_access_enabled: Value that indicates whether
+     Trusted Service Access is Enabled or not.
+    :type trusted_service_access_enabled: bool
     :param default_action: Default Action for Network Rule Set. Possible
      values include: 'Allow', 'Deny'
     :type default_action: str or
@@ -1046,6 +1049,7 @@ class NetworkRuleSet(Resource):
         'id': {'key': 'id', 'type': 'str'},
         'name': {'key': 'name', 'type': 'str'},
         'type': {'key': 'type', 'type': 'str'},
+        'trusted_service_access_enabled': {'key': 'properties.trustedServiceAccessEnabled', 'type': 'bool'},
         'default_action': {'key': 'properties.defaultAction', 'type': 'str'},
         'virtual_network_rules': {'key': 'properties.virtualNetworkRules', 'type': '[NWRuleSetVirtualNetworkRules]'},
         'ip_rules': {'key': 'properties.ipRules', 'type': '[NWRuleSetIpRules]'},
@@ -1053,6 +1057,7 @@ class NetworkRuleSet(Resource):
 
     def __init__(self, **kwargs):
         super(NetworkRuleSet, self).__init__(**kwargs)
+        self.trusted_service_access_enabled = kwargs.get('trusted_service_access_enabled', None)
         self.default_action = kwargs.get('default_action', None)
         self.virtual_network_rules = kwargs.get('virtual_network_rules', None)
         self.ip_rules = kwargs.get('ip_rules', None)
diff --git a/sdk/eventhub/azure-mgmt-eventhub/azure/mgmt/eventhub/v2018_01_01_preview/models/_models_py3.py b/sdk/eventhub/azure-mgmt-eventhub/azure/mgmt/eventhub/v2018_01_01_preview/models/_models_py3.py
index abdfe6cf97a9..87c5d274c3cd 100644
--- a/sdk/eventhub/azure-mgmt-eventhub/azure/mgmt/eventhub/v2018_01_01_preview/models/_models_py3.py
+++ b/sdk/eventhub/azure-mgmt-eventhub/azure/mgmt/eventhub/v2018_01_01_preview/models/_models_py3.py
@@ -1024,6 +1024,9 @@ class NetworkRuleSet(Resource):
     :vartype name: str
     :ivar type: Resource type.
     :vartype type: str
+    :param trusted_service_access_enabled: Value that indicates whether
+     Trusted Service Access is Enabled or not.
+    :type trusted_service_access_enabled: bool
     :param default_action: Default Action for Network Rule Set. Possible
      values include: 'Allow', 'Deny'
     :type default_action: str or
@@ -1046,13 +1049,15 @@ class NetworkRuleSet(Resource):
         'id': {'key': 'id', 'type': 'str'},
         'name': {'key': 'name', 'type': 'str'},
         'type': {'key': 'type', 'type': 'str'},
+        'trusted_service_access_enabled': {'key': 'properties.trustedServiceAccessEnabled', 'type': 'bool'},
         'default_action': {'key': 'properties.defaultAction', 'type': 'str'},
         'virtual_network_rules': {'key': 'properties.virtualNetworkRules', 'type': '[NWRuleSetVirtualNetworkRules]'},
         'ip_rules': {'key': 'properties.ipRules', 'type': '[NWRuleSetIpRules]'},
     }
 
-    def __init__(self, *, default_action=None, virtual_network_rules=None, ip_rules=None, **kwargs) -> None:
+    def __init__(self, *, trusted_service_access_enabled: bool=None, default_action=None, virtual_network_rules=None, ip_rules=None, **kwargs) -> None:
         super(NetworkRuleSet, self).__init__(**kwargs)
+        self.trusted_service_access_enabled = trusted_service_access_enabled
         self.default_action = default_action
         self.virtual_network_rules = virtual_network_rules
         self.ip_rules = ip_rules
diff --git a/sdk/eventhub/azure-mgmt-eventhub/azure/mgmt/eventhub/version.py b/sdk/eventhub/azure-mgmt-eventhub/azure/mgmt/eventhub/version.py
index 24a18964e554..828282207f04 100644
--- a/sdk/eventhub/azure-mgmt-eventhub/azure/mgmt/eventhub/version.py
+++ b/sdk/eventhub/azure-mgmt-eventhub/azure/mgmt/eventhub/version.py
@@ -9,4 +9,4 @@
 # regenerated.
 # --------------------------------------------------------------------------
 
-VERSION = "3.1.0"
+VERSION = "4.0.0"