diff --git a/prefect_aws/client_parameters.py b/prefect_aws/client_parameters.py
index 3f02b4b2..bf030590 100644
--- a/prefect_aws/client_parameters.py
+++ b/prefect_aws/client_parameters.py
@@ -5,7 +5,12 @@
 
 from botocore import UNSIGNED
 from botocore.client import Config
-from pydantic import BaseModel, Field, FilePath, root_validator, validator
+from pydantic import VERSION as PYDANTIC_VERSION
+
+if PYDANTIC_VERSION.startswith("2."):
+    from pydantic.v1 import BaseModel, Field, FilePath, root_validator, validator
+else:
+    from pydantic import BaseModel, Field, FilePath, root_validator, validator
 
 
 class AwsClientParameters(BaseModel):
diff --git a/prefect_aws/credentials.py b/prefect_aws/credentials.py
index f390faef..7810f7f9 100644
--- a/prefect_aws/credentials.py
+++ b/prefect_aws/credentials.py
@@ -7,7 +7,12 @@
 from mypy_boto3_s3 import S3Client
 from mypy_boto3_secretsmanager import SecretsManagerClient
 from prefect.blocks.abstract import CredentialsBlock
-from pydantic import Field, SecretStr
+from pydantic import VERSION as PYDANTIC_VERSION
+
+if PYDANTIC_VERSION.startswith("2."):
+    from pydantic.v1 import Field, SecretStr
+else:
+    from pydantic import Field, SecretStr
 
 from prefect_aws.client_parameters import AwsClientParameters
 
diff --git a/prefect_aws/ecs.py b/prefect_aws/ecs.py
index a9534332..7dbfa68a 100644
--- a/prefect_aws/ecs.py
+++ b/prefect_aws/ecs.py
@@ -121,7 +121,13 @@
 from prefect.utilities.asyncutils import run_sync_in_worker_thread, sync_compatible
 from prefect.utilities.dockerutils import get_prefect_image_name
 from prefect.utilities.pydantic import JsonPatch
-from pydantic import Field, root_validator, validator
+from pydantic import VERSION as PYDANTIC_VERSION
+
+if PYDANTIC_VERSION.startswith("2."):
+    from pydantic.v1 import Field, root_validator, validator
+else:
+    from pydantic import Field, root_validator, validator
+
 from slugify import slugify
 from typing_extensions import Literal, Self
 
diff --git a/prefect_aws/s3.py b/prefect_aws/s3.py
index 17fe8870..fe646ddc 100644
--- a/prefect_aws/s3.py
+++ b/prefect_aws/s3.py
@@ -14,7 +14,12 @@
 from prefect.filesystems import WritableDeploymentStorage, WritableFileSystem
 from prefect.utilities.asyncutils import run_sync_in_worker_thread, sync_compatible
 from prefect.utilities.filesystem import filter_files
-from pydantic import Field
+from pydantic import VERSION as PYDANTIC_VERSION
+
+if PYDANTIC_VERSION.startswith("2."):
+    from pydantic.v1 import Field
+else:
+    from pydantic import Field
 
 from prefect_aws import AwsCredentials, MinIOCredentials
 from prefect_aws.client_parameters import AwsClientParameters
diff --git a/prefect_aws/secrets_manager.py b/prefect_aws/secrets_manager.py
index 01bc9ba1..5eea5ba8 100644
--- a/prefect_aws/secrets_manager.py
+++ b/prefect_aws/secrets_manager.py
@@ -5,7 +5,12 @@
 from prefect import get_run_logger, task
 from prefect.blocks.abstract import SecretBlock
 from prefect.utilities.asyncutils import run_sync_in_worker_thread, sync_compatible
-from pydantic import Field
+from pydantic import VERSION as PYDANTIC_VERSION
+
+if PYDANTIC_VERSION.startswith("2."):
+    from pydantic.v1 import Field
+else:
+    from pydantic import Field
 
 from prefect_aws import AwsCredentials
 
diff --git a/prefect_aws/workers/ecs_worker.py b/prefect_aws/workers/ecs_worker.py
index f4d97bef..1b1c8073 100644
--- a/prefect_aws/workers/ecs_worker.py
+++ b/prefect_aws/workers/ecs_worker.py
@@ -68,7 +68,13 @@
     BaseWorker,
     BaseWorkerResult,
 )
-from pydantic import Field, root_validator
+from pydantic import VERSION as PYDANTIC_VERSION
+
+if PYDANTIC_VERSION.startswith("2."):
+    from pydantic.v1 import Field, root_validator
+else:
+    from pydantic import Field, root_validator
+
 from slugify import slugify
 from tenacity import retry, stop_after_attempt, wait_fixed, wait_random
 from typing_extensions import Literal
diff --git a/requirements-dev.txt b/requirements-dev.txt
index 9003b759..e22e9290 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -9,7 +9,9 @@ mkdocs-gen-files
 mkdocs-material
 mkdocstrings-python-legacy
 mock; python_version < '3.8'
-moto >= 3.1.16
+# moto 4.2.5 broke something fairly deep in our test suite
+# https://github.com/PrefectHQ/prefect-aws/issues/318
+moto >= 3.1.16, < 4.2.5
 mypy
 pillow
 pre-commit
diff --git a/tests/test_ecs.py b/tests/test_ecs.py
index 9282a859..a27ff925 100644
--- a/tests/test_ecs.py
+++ b/tests/test_ecs.py
@@ -16,7 +16,12 @@
 from prefect.server.schemas.core import Deployment, Flow, FlowRun
 from prefect.utilities.asyncutils import run_sync_in_worker_thread
 from prefect.utilities.dockerutils import get_prefect_image_name
-from pydantic import ValidationError
+from pydantic import VERSION as PYDANTIC_VERSION
+
+if PYDANTIC_VERSION.startswith("2."):
+    from pydantic.v1 import ValidationError
+else:
+    from pydantic import ValidationError
 
 from prefect_aws.ecs import (
     ECS_DEFAULT_CPU,
diff --git a/tests/workers/test_ecs_worker.py b/tests/workers/test_ecs_worker.py
index ef57372b..1be6eb70 100644
--- a/tests/workers/test_ecs_worker.py
+++ b/tests/workers/test_ecs_worker.py
@@ -12,7 +12,13 @@
 from moto.ec2.utils import generate_instance_identity_document
 from prefect.server.schemas.core import FlowRun
 from prefect.utilities.asyncutils import run_sync_in_worker_thread
-from pydantic import ValidationError
+from pydantic import VERSION as PYDANTIC_VERSION
+
+if PYDANTIC_VERSION.startswith("2."):
+    from pydantic.v1 import ValidationError
+else:
+    from pydantic import ValidationError
+
 from tenacity import RetryError
 
 from prefect_aws.workers.ecs_worker import (