diff --git a/deepnote_core/config/loader.py b/deepnote_core/config/loader.py
index d79edd5..d296907 100644
--- a/deepnote_core/config/loader.py
+++ b/deepnote_core/config/loader.py
@@ -14,7 +14,7 @@
 
 import yaml
 
-from ..pydantic_compat_helpers import _model_validate_compat
+from ..pydantic_compat_helpers import model_validate_compat
 from .installation_detector import InstallMethod, get_installation_method
 from .models import DeepnoteConfig
 from .xdg_paths import XDGPaths
@@ -108,7 +108,7 @@ def load_with_args(self, args: argparse.Namespace) -> DeepnoteConfig:
 
         # 5) Expand paths and installation paths prior to model validation
         self._expand_path_fields(merged)
-        cfg = _model_validate_compat(DeepnoteConfig, merged)
+        cfg = model_validate_compat(DeepnoteConfig, merged)
 
         # 6) Normalize/expand any defaulted path values in the final model
         self._expand_config_paths(cfg)
@@ -131,7 +131,7 @@ def load_config(self) -> DeepnoteConfig:
         _deep_merge(merged, file_dict)
         _deep_merge(merged, env_overlay)
         self._expand_path_fields(merged)
-        cfg = _model_validate_compat(DeepnoteConfig, merged)
+        cfg = model_validate_compat(DeepnoteConfig, merged)
         self._expand_config_paths(cfg)
         self._apply_installation_defaults(cfg)
         return cfg
diff --git a/deepnote_core/pydantic_compat_helpers.py b/deepnote_core/pydantic_compat_helpers.py
index 2723ae4..8d42b06 100644
--- a/deepnote_core/pydantic_compat_helpers.py
+++ b/deepnote_core/pydantic_compat_helpers.py
@@ -45,7 +45,7 @@ def _get_description_compat(field: Any) -> str:
     return getattr(field_info, "description", "") if field_info else ""
 
 
-def _model_validate_compat(model_cls, data: Mapping[str, Any]) -> Any:
+def model_validate_compat(model_cls, data: Mapping[str, Any]) -> Any:
     """Validate using Pydantic v2 if available, else fall back to v1.
 
     Pydantic v2 exposes `model_validate`, while v1 uses `parse_obj` on the class.
diff --git a/deepnote_toolkit/sql/sql_execution.py b/deepnote_toolkit/sql/sql_execution.py
index 86ff5ca..1dba715 100644
--- a/deepnote_toolkit/sql/sql_execution.py
+++ b/deepnote_toolkit/sql/sql_execution.py
@@ -16,10 +16,11 @@
 from google.api_core.client_info import ClientInfo
 from google.cloud import bigquery
 from packaging.version import parse as parse_version
-from pydantic import BaseModel, ValidationError
+from pydantic import BaseModel
 from sqlalchemy.engine import URL, create_engine, make_url
 from sqlalchemy.exc import ResourceClosedError
 
+from deepnote_core.pydantic_compat_helpers import model_validate_compat
 from deepnote_toolkit import env as dnenv
 from deepnote_toolkit.create_ssh_tunnel import create_ssh_tunnel
 from deepnote_toolkit.get_webapp_url import (
@@ -281,7 +282,7 @@ def _get_federated_auth_credentials(
 
     response.raise_for_status()
 
-    data = FederatedAuthResponseData.model_validate(response.json())
+    data = model_validate_compat(FederatedAuthResponseData, response.json())
 
     return data
 
@@ -310,10 +311,10 @@ def _handle_federated_auth_params(sql_alchemy_dict: dict[str, Any]) -> None:
         return
 
     try:
-        federated_auth_params = IntegrationFederatedAuthParams.model_validate(
-            sql_alchemy_dict["federatedAuthParams"]
+        federated_auth_params = model_validate_compat(
+            IntegrationFederatedAuthParams, sql_alchemy_dict["federatedAuthParams"]
         )
-    except ValidationError:
+    except Exception:
         logger.exception("Invalid federated auth params, try updating toolkit version")
         return