diff --git a/packages/aws-event-stream/pyproject.toml b/packages/aws-event-stream/pyproject.toml
index eb7f20268..ec994ea15 100644
--- a/packages/aws-event-stream/pyproject.toml
+++ b/packages/aws-event-stream/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "aws-event-stream"
-version = "0.1.0"
+version = "0.0.1"
 description = "Core Smithy components for AWS services and protocols."
 readme = "README.md"
 requires-python = ">=3.12"
diff --git a/packages/aws-event-stream/src/aws_event_stream/__init__.py b/packages/aws-event-stream/src/aws_event_stream/__init__.py
index 04f8b7b76..ec11bb061 100644
--- a/packages/aws-event-stream/src/aws_event_stream/__init__.py
+++ b/packages/aws-event-stream/src/aws_event_stream/__init__.py
@@ -1,2 +1,6 @@
 # Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
 # SPDX-License-Identifier: Apache-2.0
+
+import importlib.metadata
+
+__version__: str = importlib.metadata.version("aws-event-stream")
diff --git a/packages/smithy-aws-core/pyproject.toml b/packages/smithy-aws-core/pyproject.toml
index 991c6130b..c23564f28 100644
--- a/packages/smithy-aws-core/pyproject.toml
+++ b/packages/smithy-aws-core/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "smithy-aws-core"
-version = "0.1.0"
+version = "0.0.1"
 description = "Core Smithy components for AWS services and protocols."
 readme = "README.md"
 requires-python = ">=3.12"
diff --git a/packages/smithy-aws-core/src/smithy_aws_core/__init__.py b/packages/smithy-aws-core/src/smithy_aws_core/__init__.py
index 654905217..315342cab 100644
--- a/packages/smithy-aws-core/src/smithy_aws_core/__init__.py
+++ b/packages/smithy-aws-core/src/smithy_aws_core/__init__.py
@@ -1,12 +1,6 @@
-# Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
-#
-# Licensed under the Apache License, Version 2.0 (the "License"). You
-# may not use this file except in compliance with the License. A copy of
-# the License is located at
-#
-#     http://aws.amazon.com/apache2.0/
-#
-# or in the "license" file accompanying this file. This file is
-# distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF
-# ANY KIND, either express or implied. See the License for the specific
-# language governing permissions and limitations under the License.
+#  Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
+#  SPDX-License-Identifier: Apache-2.0
+
+import importlib.metadata
+
+__version__: str = importlib.metadata.version("smithy-aws-core")
diff --git a/packages/smithy-core/pyproject.toml b/packages/smithy-core/pyproject.toml
index 81856563c..d1ee1d4ad 100644
--- a/packages/smithy-core/pyproject.toml
+++ b/packages/smithy-core/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "smithy_core"
-version = "0.1.0"
+version = "0.0.1"
 description = "Core components for implementing Smithy tooling in Python."
 readme = "README.md"
 requires-python = ">=3.12"
diff --git a/packages/smithy-core/src/smithy_core/__init__.py b/packages/smithy-core/src/smithy_core/__init__.py
index 310a1e210..2f6fe0a38 100644
--- a/packages/smithy-core/src/smithy_core/__init__.py
+++ b/packages/smithy-core/src/smithy_core/__init__.py
@@ -8,6 +8,10 @@
 from . import interfaces, rfc3986
 from .exceptions import SmithyException
 
+import importlib.metadata
+
+__version__: str = importlib.metadata.version("smithy-core")
+
 
 class HostType(Enum):
     """Enumeration of possible host types."""
diff --git a/packages/smithy-event-stream/pyproject.toml b/packages/smithy-event-stream/pyproject.toml
index 51406eceb..8e02c864f 100644
--- a/packages/smithy-event-stream/pyproject.toml
+++ b/packages/smithy-event-stream/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "smithy-event-stream"
-version = "0.1.0"
+version = "0.0.1"
 description = "Smithy event stream interfaces and core components."
 readme = "README.md"
 requires-python = ">=3.12"
diff --git a/packages/smithy-event-stream/src/smithy_event_stream/__init__.py b/packages/smithy-event-stream/src/smithy_event_stream/__init__.py
index 04f8b7b76..a0e0eb6c0 100644
--- a/packages/smithy-event-stream/src/smithy_event_stream/__init__.py
+++ b/packages/smithy-event-stream/src/smithy_event_stream/__init__.py
@@ -1,2 +1,6 @@
 # Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
 # SPDX-License-Identifier: Apache-2.0
+
+import importlib.metadata
+
+__version__: str = importlib.metadata.version("smithy-event-stream")
diff --git a/packages/smithy-http/pyproject.toml b/packages/smithy-http/pyproject.toml
index 0693786e9..88de0861d 100644
--- a/packages/smithy-http/pyproject.toml
+++ b/packages/smithy-http/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "smithy_http"
-version = "0.1.0"
+version = "0.0.1"
 description = "HTTP components for Smithy tooling."
 readme = "README.md"
 requires-python = ">=3.12"
diff --git a/packages/smithy-http/src/smithy_http/__init__.py b/packages/smithy-http/src/smithy_http/__init__.py
index 34ff97fc5..fa3ff6f01 100644
--- a/packages/smithy-http/src/smithy_http/__init__.py
+++ b/packages/smithy-http/src/smithy_http/__init__.py
@@ -6,6 +6,10 @@
 from . import interfaces
 from .interfaces import FieldPosition
 
+import importlib.metadata
+
+__version__: str = importlib.metadata.version("smithy-http")
+
 
 class Field(interfaces.Field):
     """A name-value pair representing a single field in an HTTP Request or Response.
diff --git a/packages/smithy-json/pyproject.toml b/packages/smithy-json/pyproject.toml
index 16d5e3eaf..3fa945d0d 100644
--- a/packages/smithy-json/pyproject.toml
+++ b/packages/smithy-json/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "smithy-json"
-version = "0.1.0"
+version = "0.0.1"
 description = "JSON serialization and deserialization support for Smithy tooling."
 readme = "README.md"
 requires-python = ">=3.12"
diff --git a/packages/smithy-json/src/smithy_json/__init__.py b/packages/smithy-json/src/smithy_json/__init__.py
index 11d7494f7..1a1214c14 100644
--- a/packages/smithy-json/src/smithy_json/__init__.py
+++ b/packages/smithy-json/src/smithy_json/__init__.py
@@ -11,6 +11,10 @@
 from ._private.deserializers import JSONShapeDeserializer as _JSONShapeDeserializer
 from ._private.serializers import JSONShapeSerializer as _JSONShapeSerializer
 
+import importlib.metadata
+
+__version__: str = importlib.metadata.version("smithy-json")
+
 
 class JSONCodec(Codec):
     """A codec for converting shapes to/from JSON."""
diff --git a/uv.lock b/uv.lock
index 41cf3b3c8..3b2c9daa9 100644
--- a/uv.lock
+++ b/uv.lock
@@ -95,7 +95,7 @@ wheels = [
 
 [[package]]
 name = "aws-event-stream"
-version = "0.1.0"
+version = "0.0.1"
 source = { editable = "packages/aws-event-stream" }
 dependencies = [
     { name = "smithy-core" },
@@ -649,7 +649,7 @@ wheels = [
 
 [[package]]
 name = "smithy-aws-core"
-version = "0.1.0"
+version = "0.0.1"
 source = { editable = "packages/smithy-aws-core" }
 dependencies = [
     { name = "smithy-core" },
@@ -660,7 +660,7 @@ requires-dist = [{ name = "smithy-core", editable = "packages/smithy-core" }]
 
 [[package]]
 name = "smithy-core"
-version = "0.1.0"
+version = "0.0.1"
 source = { editable = "packages/smithy-core" }
 
 [package.dev-dependencies]
@@ -675,7 +675,7 @@ dev = [{ name = "freezegun", specifier = ">=1.5.1" }]
 
 [[package]]
 name = "smithy-event-stream"
-version = "0.1.0"
+version = "0.0.1"
 source = { editable = "packages/smithy-event-stream" }
 dependencies = [
     { name = "smithy-core" },
@@ -686,7 +686,7 @@ requires-dist = [{ name = "smithy-core", editable = "packages/smithy-core" }]
 
 [[package]]
 name = "smithy-http"
-version = "0.1.0"
+version = "0.0.1"
 source = { editable = "packages/smithy-http" }
 dependencies = [
     { name = "smithy-core" },
@@ -710,7 +710,7 @@ provides-extras = ["awscrt", "aiohttp"]
 
 [[package]]
 name = "smithy-json"
-version = "0.1.0"
+version = "0.0.1"
 source = { editable = "packages/smithy-json" }
 dependencies = [
     { name = "ijson" },