diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3b36ae1..5dab9e2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,11 @@
 # Changelog
 
+## 0.9.6 (2025-06-04)
+
+### Changes
+
+- Re-generate graph api.
+
 ## 0.9.5 (2025-05-27)
 
 ### Changes
diff --git a/python/mujinwebstackclient/version.py b/python/mujinwebstackclient/version.py
index 9ab519e..4601edc 100644
--- a/python/mujinwebstackclient/version.py
+++ b/python/mujinwebstackclient/version.py
@@ -1,4 +1,4 @@
-__version__ = '0.9.5'
+__version__ = '0.9.6'
 
 # Do not forget to update CHANGELOG.md
 
diff --git a/python/mujinwebstackclient/webstackgraphclient.py b/python/mujinwebstackclient/webstackgraphclient.py
index a7f3f47..e9292a3 100644
--- a/python/mujinwebstackclient/webstackgraphclient.py
+++ b/python/mujinwebstackclient/webstackgraphclient.py
@@ -2,7 +2,7 @@
 #
 # DO NOT EDIT, THIS FILE WAS AUTO-GENERATED
 # GENERATED BY: mujin_webstackclientpy_generategraphclient.py
-# GENERATED AGAINST: mujinwebstack/2.27.0+e6bbce2c61cfe92948f9527a624770de7a748b24
+# GENERATED AGAINST: mujinwebstack/2.28.20+3cc6b04c25faf466b83a9a00a77cd4d398e9bb2d
 #
 
 from .webstackgraphclientutils import GraphClientBase
@@ -44,6 +44,42 @@ def ConfigureRobotBridgesV2(self, fields=None, timeout=None):
         ]
         return self._CallSimpleGraphAPI('query', operationName='ConfigureRobotBridgesV2', parameterNameTypeValues=parameterNameTypeValues, returnType='ConfigureRobotBridgesV2Queries', fields=fields, timeout=timeout)
 
+    def ExistConfiguration(self, configurationId, resolveReferences=None, fields=None, timeout=None):
+        """Check existence for a specific configuration.
+
+        Args:
+            configurationId (str): ID of the configuration, for example "controllersystem.conf".
+            resolveReferences (bool, optional): Whether to operate on resolved configurations. Defaults to operate and return unresolved data.
+            fields (list or dict, optional): Specifies a subset of fields to return.
+            timeout (float, optional): Number of seconds to wait for response.
+
+        Returns:
+            bool: The `Boolean` scalar type represents `true` or `false`.
+        """
+        parameterNameTypeValues = [
+            ('configurationId', 'String!', configurationId),
+            ('resolveReferences', 'Boolean', resolveReferences),
+        ]
+        return self._CallSimpleGraphAPI('query', operationName='ExistConfiguration', parameterNameTypeValues=parameterNameTypeValues, returnType='Boolean', fields=fields, timeout=timeout)
+
+    def ExistConfigurations(self, configurationIds, resolveReferences=None, fields=None, timeout=None):
+        """Check existence for multiple configuration.
+
+        Args:
+            configurationIds ([String]): List of configuration IDs.
+            resolveReferences (bool, optional): Whether to operate on resolved configurations. Defaults to operate and return unresolved data.
+            fields (list or dict, optional): Specifies a subset of fields to return.
+            timeout (float, optional): Number of seconds to wait for response.
+
+        Returns:
+            [Boolean]: The `Boolean` scalar type represents `true` or `false`.
+        """
+        parameterNameTypeValues = [
+            ('configurationIds', '[String!]!', configurationIds),
+            ('resolveReferences', 'Boolean', resolveReferences),
+        ]
+        return self._CallSimpleGraphAPI('query', operationName='ExistConfigurations', parameterNameTypeValues=parameterNameTypeValues, returnType='Boolean', fields=fields, timeout=timeout)
+
     def ExistEnvironment(self, environmentId, resolveReferences=None, units=None, fields=None, timeout=None):
         """Check existence for a specific environment.
 
@@ -2305,6 +2341,29 @@ def ListProviderBridgeModules(self, options=None, fields=None, timeout=None):
         ]
         return self._CallSimpleGraphAPI('query', operationName='ListProviderBridgeModules', parameterNameTypeValues=parameterNameTypeValues, returnType='ListProviderBridgeModulesReturnValue', fields=fields, timeout=timeout)
 
+    @UseLazyGraphQuery
+    def ListReferencedConfigurations(self, configurationIds, options=None, recursive=None, resolveReferences=None, fields=None, timeout=None):
+        """Given a list of configuration ids, list all the configurations they reference to.
+
+        Args:
+            configurationIds ([String]): List of configuration IDs.
+            options (ListOptionsWithAggregationsInput, optional): 
+            recursive (bool, optional): Whether to resolve reference recursively.
+            resolveReferences (bool, optional): Whether to operate on resolved configurations. Defaults to operate and return unresolved data.
+            fields (list or dict, optional): Specifies a subset of fields to return.
+            timeout (float, optional): Number of seconds to wait for response.
+
+        Returns:
+            ListReferencedConfigurationsReturnValue: 
+        """
+        parameterNameTypeValues = [
+            ('configurationIds', '[String!]!', configurationIds),
+            ('options', 'ListOptionsWithAggregationsInput', options),
+            ('recursive', 'Boolean', recursive),
+            ('resolveReferences', 'Boolean', resolveReferences),
+        ]
+        return self._CallSimpleGraphAPI('query', operationName='ListReferencedConfigurations', parameterNameTypeValues=parameterNameTypeValues, returnType='ListReferencedConfigurationsReturnValue', fields=fields, timeout=timeout)
+
     @UseLazyGraphQuery
     def ListReferencedLogEntries(self, logEntryId, logTypes=None, options=None, fields=None, timeout=None):
         """List particular log entries and their parents.
@@ -2327,6 +2386,29 @@ def ListReferencedLogEntries(self, logEntryId, logTypes=None, options=None, fiel
         ]
         return self._CallSimpleGraphAPI('query', operationName='ListReferencedLogEntries', parameterNameTypeValues=parameterNameTypeValues, returnType='ListAncestorLogEntriesExReturnValue', fields=fields, timeout=timeout)
 
+    @UseLazyGraphQuery
+    def ListReferencingConfigurations(self, configurationIds, options=None, recursive=None, resolveReferences=None, fields=None, timeout=None):
+        """Given a list of configuration ids, list all the configurations that are referencing them.
+
+        Args:
+            configurationIds ([String]): List of configuration IDs.
+            options (ListOptionsWithAggregationsInput, optional): 
+            recursive (bool, optional): Whether to resolve reference recursively.
+            resolveReferences (bool, optional): Whether to operate on resolved configurations. Defaults to operate and return unresolved data.
+            fields (list or dict, optional): Specifies a subset of fields to return.
+            timeout (float, optional): Number of seconds to wait for response.
+
+        Returns:
+            ListReferencingConfigurationsReturnValue: 
+        """
+        parameterNameTypeValues = [
+            ('configurationIds', '[String!]!', configurationIds),
+            ('options', 'ListOptionsWithAggregationsInput', options),
+            ('recursive', 'Boolean', recursive),
+            ('resolveReferences', 'Boolean', resolveReferences),
+        ]
+        return self._CallSimpleGraphAPI('query', operationName='ListReferencingConfigurations', parameterNameTypeValues=parameterNameTypeValues, returnType='ListReferencingConfigurationsReturnValue', fields=fields, timeout=timeout)
+
     @UseLazyGraphQuery
     def ListReferencingLogEntries(self, logEntryId, logTypes=None, options=None, fields=None, timeout=None):
         """List particular log entries and their children.