diff --git a/.sdk-version b/.sdk-version
index 8f4fe4d..bf86a5c 100644
--- a/.sdk-version
+++ b/.sdk-version
@@ -1 +1 @@
-v3.86.3
+v3.86.4
diff --git a/revengai/__init__.py b/revengai/__init__.py
index be4378c..3b093e7 100644
--- a/revengai/__init__.py
+++ b/revengai/__init__.py
@@ -13,7 +13,7 @@
 """  # noqa: E501
 
 
-__version__ = "v3.86.3"
+__version__ = "v3.86.4"
 
 # Define package exports
 __all__ = [
diff --git a/revengai/api_client.py b/revengai/api_client.py
index 1f356be..44cb16d 100644
--- a/revengai/api_client.py
+++ b/revengai/api_client.py
@@ -90,7 +90,7 @@ def __init__(
             self.default_headers[header_name] = header_value
         self.cookie = cookie
         # Set default User-Agent.
-        self.user_agent = 'OpenAPI-Generator/v3.86.3/python'
+        self.user_agent = 'OpenAPI-Generator/v3.86.4/python'
         self.client_side_validation = configuration.client_side_validation
 
     def __enter__(self):
diff --git a/revengai/configuration.py b/revengai/configuration.py
index e654645..943ae3b 100644
--- a/revengai/configuration.py
+++ b/revengai/configuration.py
@@ -533,8 +533,8 @@ def to_debug_report(self) -> str:
         return "Python SDK Debug Report:\n"\
                "OS: {env}\n"\
                "Python Version: {pyversion}\n"\
-               "Version of the API: v3.86.3\n"\
-               "SDK Package Version: v3.86.3".\
+               "Version of the API: v3.86.4\n"\
+               "SDK Package Version: v3.86.4".\
                format(env=sys.platform, pyversion=sys.version)
 
     def get_host_settings(self) -> List[HostSetting]: