diff --git a/.speakeasy/workflow.yaml b/.speakeasy/workflow.yaml
index 8c59cbfc..950e91c1 100644
--- a/.speakeasy/workflow.yaml
+++ b/.speakeasy/workflow.yaml
@@ -8,10 +8,8 @@ sources:
     airbyte-api:
         inputs:
             - location: https://raw.githubusercontent.com/airbytehq/airbyte-platform/refs/heads/main/airbyte-api/server-api/src/main/openapi/api_sdk.yaml
-        # Uncomment when the overlay has real actions (empty overlays produce
-        # an empty document in Speakeasy CLI, which fails linting):
-        # overlays:
-        #     - location: ./overlays/python_speakeasy.yaml
+        overlays:
+            - location: ./overlays/python_speakeasy.yaml
         registry:
             location: registry.speakeasyapi.dev/airbyte/airbyte-prod/my-source
 targets:
diff --git a/docs/models/rowfilteringoperation.md b/docs/models/rowfilteringoperation.md
index 41336c04..3bd54eb2 100644
--- a/docs/models/rowfilteringoperation.md
+++ b/docs/models/rowfilteringoperation.md
@@ -9,9 +9,9 @@
 value: models.RowFilteringOperationEqual = /* values here */
 ```
 
-### `models.RowFilteringOperationNot1`
+### `models.RowFilteringOperationNot`
 
 ```python
-value: models.RowFilteringOperationNot1 = /* values here */
+value: models.RowFilteringOperationNot = /* values here */
 ```
 
diff --git a/docs/models/rowfilteringoperationnot.md b/docs/models/rowfilteringoperationnot.md
new file mode 100644
index 00000000..4bb12837
--- /dev/null
+++ b/docs/models/rowfilteringoperationnot.md
@@ -0,0 +1,9 @@
+# RowFilteringOperationNot
+
+
+## Fields
+
+| Field                                                                              | Type                                                                               | Required                                                                           | Description                                                                        |
+| ---------------------------------------------------------------------------------- | ---------------------------------------------------------------------------------- | ---------------------------------------------------------------------------------- | ---------------------------------------------------------------------------------- |
+| `conditions`                                                                       | List[[models.RowFilteringOperationEqual](../models/rowfilteringoperationequal.md)] | :heavy_check_mark:                                                                 | Conditions to evaluate with the NOT operator.                                      |
+| `type`                                                                             | [models.RowFilteringOperationType](../models/rowfilteringoperationtype.md)         | :heavy_check_mark:                                                                 | N/A                                                                                |
\ No newline at end of file
diff --git a/overlays/python_speakeasy.yaml b/overlays/python_speakeasy.yaml
index 4df51196..b82f9e5a 100644
--- a/overlays/python_speakeasy.yaml
+++ b/overlays/python_speakeasy.yaml
@@ -1,13 +1,22 @@
 # Speakeasy overlay for Python SDK-specific customizations.
 # Applied on top of the upstream API spec before code generation.
-#
-# This file is currently a no-op placeholder. Add overlay actions here
-# when Python SDK-specific schema tweaks are needed.
-#
 # See: https://www.speakeasy.com/docs/customize-sdks/overlays
 
 overlay: 1.0.0
 info:
   title: Python SDK Overlay
-  version: 0.0.0
-actions: []
+  version: 0.0.1
+actions:
+  # Workaround for Speakeasy circular-ref model_rebuild() bug.
+  # See: https://github.com/airbytehq/airbyte-api-python-sdk/issues/186
+  #
+  # Break the circular $ref: RowFilteringOperationNot.conditions references
+  # RowFilteringOperation, which references RowFilteringOperationNot again.
+  # This causes Speakeasy to use TYPE_CHECKING imports and miss model_rebuild()
+  # calls for dependent models (ConnectionResponse, StreamConfigurations, etc.).
+  #
+  # Fix: point conditions.items directly at RowFilteringOperationEqual,
+  # removing the recursion. NOT(NOT(x)) = x, so nested NOT is redundant.
+  - target: "$.components.schemas.RowFilteringOperationNot.properties.conditions.items"
+    update:
+      $ref: "#/components/schemas/RowFilteringOperationEqual"
diff --git a/src/airbyte_api/models/__init__.py b/src/airbyte_api/models/__init__.py
index 41de7f05..18ae114b 100644
--- a/src/airbyte_api/models/__init__.py
+++ b/src/airbyte_api/models/__init__.py
@@ -1,10 +1,5 @@
 """Code generated by Speakeasy (https://speakeasy.com). DO NOT EDIT."""
 
-from .rowfilteringoperation import RowFilteringOperation, RowFilteringOperationTypedDict
-from .rowfilteringoperationnot_1 import (
-    RowFilteringOperationNot1,
-    RowFilteringOperationNot1TypedDict,
-)
 from typing import Any, TYPE_CHECKING
 
 from airbyte_api.utils.dynamic_imports import lazy_getattr, lazy_dir
@@ -1604,10 +1599,18 @@
         RowFilteringMapperConfiguration,
         RowFilteringMapperConfigurationTypedDict,
     )
+    from .rowfilteringoperation import (
+        RowFilteringOperation,
+        RowFilteringOperationTypedDict,
+    )
     from .rowfilteringoperationequal import (
         RowFilteringOperationEqual,
         RowFilteringOperationEqualTypedDict,
     )
+    from .rowfilteringoperationnot import (
+        RowFilteringOperationNot,
+        RowFilteringOperationNotTypedDict,
+    )
     from .rowfilteringoperationtype import RowFilteringOperationType
     from .salesforce import Salesforce, SalesforceTypedDict
     from .scheduletypeenum import ScheduleTypeEnum
@@ -4923,9 +4926,7 @@
         ZendeskTalkCredentials,
         ZendeskTalkCredentialsTypedDict,
         ZendeskTalkTypedDict,
-    )  # Pydantic models with forward references
-RowFilteringOperationNot1.model_rebuild()
-
+    )
 
 __all__ = [
     "APIAccessToken",
@@ -7088,8 +7089,8 @@
     "RowFilteringOperation",
     "RowFilteringOperationEqual",
     "RowFilteringOperationEqualTypedDict",
-    "RowFilteringOperationNot1",
-    "RowFilteringOperationNot1TypedDict",
+    "RowFilteringOperationNot",
+    "RowFilteringOperationNotTypedDict",
     "RowFilteringOperationType",
     "RowFilteringOperationTypedDict",
     "Rss",
@@ -11032,8 +11033,12 @@
     "ResourceRequirementsTypedDict": ".resourcerequirements",
     "RowFilteringMapperConfiguration": ".rowfilteringmapperconfiguration",
     "RowFilteringMapperConfigurationTypedDict": ".rowfilteringmapperconfiguration",
+    "RowFilteringOperation": ".rowfilteringoperation",
+    "RowFilteringOperationTypedDict": ".rowfilteringoperation",
     "RowFilteringOperationEqual": ".rowfilteringoperationequal",
     "RowFilteringOperationEqualTypedDict": ".rowfilteringoperationequal",
+    "RowFilteringOperationNot": ".rowfilteringoperationnot",
+    "RowFilteringOperationNotTypedDict": ".rowfilteringoperationnot",
     "RowFilteringOperationType": ".rowfilteringoperationtype",
     "Salesforce": ".salesforce",
     "SalesforceTypedDict": ".salesforce",
diff --git a/src/airbyte_api/models/rowfilteringoperation.py b/src/airbyte_api/models/rowfilteringoperation.py
index c4c28598..a0a09172 100644
--- a/src/airbyte_api/models/rowfilteringoperation.py
+++ b/src/airbyte_api/models/rowfilteringoperation.py
@@ -5,28 +5,26 @@
     RowFilteringOperationEqual,
     RowFilteringOperationEqualTypedDict,
 )
+from .rowfilteringoperationnot import (
+    RowFilteringOperationNot,
+    RowFilteringOperationNotTypedDict,
+)
 from airbyte_api.utils import get_discriminator
 from pydantic import Discriminator, Tag
-from typing import TYPE_CHECKING, Union
+from typing import Union
 from typing_extensions import Annotated, TypeAliasType
 
-if TYPE_CHECKING:
-    from .rowfilteringoperationnot_1 import (
-        RowFilteringOperationNot1,
-        RowFilteringOperationNot1TypedDict,
-    )
-
 
 RowFilteringOperationTypedDict = TypeAliasType(
     "RowFilteringOperationTypedDict",
-    Union["RowFilteringOperationNot1TypedDict", RowFilteringOperationEqualTypedDict],
+    Union[RowFilteringOperationNotTypedDict, RowFilteringOperationEqualTypedDict],
 )
 
 
 RowFilteringOperation = Annotated[
     Union[
         Annotated[RowFilteringOperationEqual, Tag("EQUAL")],
-        Annotated["RowFilteringOperationNot1", Tag("NOT")],
+        Annotated[RowFilteringOperationNot, Tag("NOT")],
     ],
     Discriminator(lambda m: get_discriminator(m, "type", "type")),
 ]
diff --git a/src/airbyte_api/models/rowfilteringoperationnot.py b/src/airbyte_api/models/rowfilteringoperationnot.py
new file mode 100644
index 00000000..9cbca8a5
--- /dev/null
+++ b/src/airbyte_api/models/rowfilteringoperationnot.py
@@ -0,0 +1,24 @@
+"""Code generated by Speakeasy (https://speakeasy.com). DO NOT EDIT."""
+
+from __future__ import annotations
+from .rowfilteringoperationequal import (
+    RowFilteringOperationEqual,
+    RowFilteringOperationEqualTypedDict,
+)
+from .rowfilteringoperationtype import RowFilteringOperationType
+from airbyte_api.types import BaseModel
+from typing import List
+from typing_extensions import TypedDict
+
+
+class RowFilteringOperationNotTypedDict(TypedDict):
+    conditions: List[RowFilteringOperationEqualTypedDict]
+    r"""Conditions to evaluate with the NOT operator."""
+    type: RowFilteringOperationType
+
+
+class RowFilteringOperationNot(BaseModel):
+    conditions: List[RowFilteringOperationEqual]
+    r"""Conditions to evaluate with the NOT operator."""
+
+    type: RowFilteringOperationType