diff --git a/README.md b/README.md
index b420edd7..f62c625f 100644
--- a/README.md
+++ b/README.md
@@ -47,7 +47,7 @@ For legacy versions, please review our release history to found the version comp
 Aries CloudController Python provides a robust client for interacting with Aries Cloud Agents (ACA-Py).
 
 - **Fully Typed**: Offers a strongly-typed wrapper around the Aries Cloud Agent Python, enhancing developer experience and reducing errors.
-- **Up-to-Date Support**: Compatible with the latest ACA-Py version (0.12.1), ensuring access to the most recent features and improvements.
+- **Up-to-Date Support**: Compatible with the latest ACA-Py version (1.0.0rc4), ensuring access to the most recent features and improvements.
 - **Auto-Generated Client**: Utilizes OpenAPI definitions for automatic generation, ensuring timely updates in line with new ACA-Py releases.
 - **Multi-Tenancy and Authentication Support**: Facilitates working with multi-tenant APIs and integrates various authentication mechanisms.
 - **Asynchronous API**: Supports asynchronous operations, enabling efficient handling of I/O-bound tasks.
diff --git a/aries_cloudcontroller/__init__.py b/aries_cloudcontroller/__init__.py
index c7ec6669..c6c342db 100644
--- a/aries_cloudcontroller/__init__.py
+++ b/aries_cloudcontroller/__init__.py
@@ -14,7 +14,7 @@
 """  # noqa: E501
 
 
-__version__ = "0.12.2b1"
+__version__ = "1.0.0rc4"
 
 from aries_cloudcontroller.acapy_client import AcaPyClient
 
diff --git a/aries_cloudcontroller/api_client.py b/aries_cloudcontroller/api_client.py
index eeb12fbd..413c4215 100644
--- a/aries_cloudcontroller/api_client.py
+++ b/aries_cloudcontroller/api_client.py
@@ -78,7 +78,7 @@ def __init__(
             self.default_headers[header_name] = header_value
         self.cookie = cookie
         # Set default User-Agent.
-        self.user_agent = "OpenAPI-Generator/0.12.2b1/python"
+        self.user_agent = "OpenAPI-Generator/1.0.0rc4/python"
         self.client_side_validation = configuration.client_side_validation
 
     async def __aenter__(self):
@@ -433,11 +433,11 @@ def __deserialize(self, data, klass):
 
         if klass in self.PRIMITIVE_TYPES:
             return self.__deserialize_primitive(data, klass)
-        elif klass is object:
+        elif klass == object:
             return self.__deserialize_object(data)
-        elif klass is datetime.date:
+        elif klass == datetime.date:
             return self.__deserialize_date(data)
-        elif klass is datetime.datetime:
+        elif klass == datetime.datetime:
             return self.__deserialize_datetime(data)
         elif issubclass(klass, Enum):
             return self.__deserialize_enum(data, klass)
diff --git a/aries_cloudcontroller/configuration.py b/aries_cloudcontroller/configuration.py
index 7f818122..97066fd3 100644
--- a/aries_cloudcontroller/configuration.py
+++ b/aries_cloudcontroller/configuration.py
@@ -424,8 +424,8 @@ def to_debug_report(self):
             "Python SDK Debug Report:\n"
             "OS: {env}\n"
             "Python Version: {pyversion}\n"
-            "Version of the API: v0.12.1\n"
-            "SDK Package Version: 0.12.2b1".format(
+            "Version of the API: v1.0.0rc4\n"
+            "SDK Package Version: 1.0.0rc4".format(
                 env=sys.platform, pyversion=sys.version
             )
         )
diff --git a/setup.py b/setup.py
index b4982352..a6eca799 100644
--- a/setup.py
+++ b/setup.py
@@ -19,7 +19,7 @@ def parse_requirements(filename: str):
 if __name__ == "__main__":
     setup(
         name=PACKAGE_NAME,
-        version="0.12.2b1",
+        version="1.0.0rc4",
         description="A simple python client for controlling an ACA-Py agent",
         long_description=long_description,
         long_description_content_type="text/markdown",