diff --git a/uv.lock b/uv.lock
index d716ebc20..a7f684ad6 100644
--- a/uv.lock
+++ b/uv.lock
@@ -4,9 +4,9 @@ requires-python = ">=3.12"
 
 [manifest]
 members = [
-    "aws-event-stream",
     "aws-sdk-signers",
     "smithy-aws-core",
+    "smithy-aws-event-stream",
     "smithy-core",
     "smithy-http",
     "smithy-json",
@@ -92,17 +92,6 @@ wheels = [
     { url = "https://files.pythonhosted.org/packages/fc/30/d4986a882011f9df997a55e6becd864812ccfcd821d64aac8570ee39f719/attrs-25.1.0-py3-none-any.whl", hash = "sha256:c75a69e28a550a7e93789579c22aa26b0f5b83b75dc4e08fe092980051e1090a", size = 63152 },
 ]
 
-[[package]]
-name = "aws-event-stream"
-version = "0.0.1"
-source = { editable = "packages/aws-event-stream" }
-dependencies = [
-    { name = "smithy-core" },
-]
-
-[package.metadata]
-requires-dist = [{ name = "smithy-core", editable = "packages/smithy-core" }]
-
 [[package]]
 name = "aws-sdk-signers"
 version = "0.0.2"
@@ -660,6 +649,17 @@ requires-dist = [
     { name = "smithy-http", editable = "packages/smithy-http" },
 ]
 
+[[package]]
+name = "smithy-aws-event-stream"
+version = "0.0.1"
+source = { editable = "packages/smithy-aws-event-stream" }
+dependencies = [
+    { name = "smithy-core" },
+]
+
+[package.metadata]
+requires-dist = [{ name = "smithy-core", editable = "packages/smithy-core" }]
+
 [[package]]
 name = "smithy-core"
 version = "0.0.1"
@@ -686,6 +686,7 @@ dependencies = [
 [package.optional-dependencies]
 aiohttp = [
     { name = "aiohttp" },
+    { name = "yarl" },
 ]
 awscrt = [
     { name = "awscrt" },
@@ -693,9 +694,10 @@ awscrt = [
 
 [package.metadata]
 requires-dist = [
-    { name = "aiohttp", marker = "extra == 'aiohttp'", specifier = ">=3.11.12" },
+    { name = "aiohttp", marker = "extra == 'aiohttp'", specifier = ">=3.11.12,<4.0" },
     { name = "awscrt", marker = "extra == 'awscrt'", specifier = ">=0.23.10" },
     { name = "smithy-core", editable = "packages/smithy-core" },
+    { name = "yarl", marker = "extra == 'aiohttp'" },
 ]
 provides-extras = ["awscrt", "aiohttp"]