diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 6b2b7448..2215e7a5 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "0.2.0-alpha.71"
+  ".": "0.2.0-alpha.72"
 }
\ No newline at end of file
diff --git a/CHANGELOG.md b/CHANGELOG.md
index ffd67e66..7635fd87 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,14 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
+## 0.2.0-alpha.72 (2025-07-17)
+
+Full Changelog: [v0.2.0-alpha.71...v0.2.0-alpha.72](https://github.com/openlayer-ai/openlayer-python/compare/v0.2.0-alpha.71...v0.2.0-alpha.72)
+
+### Bug Fixes
+
+* **bedrock:** accept size positional argument ([94366df](https://github.com/openlayer-ai/openlayer-python/commit/94366df52be8a7f754ccf9cd01266634b29ae6a6))
+
 ## 0.2.0-alpha.71 (2025-07-16)
 
 Full Changelog: [v0.2.0-alpha.70...v0.2.0-alpha.71](https://github.com/openlayer-ai/openlayer-python/compare/v0.2.0-alpha.70...v0.2.0-alpha.71)
diff --git a/pyproject.toml b/pyproject.toml
index 447f6079..01262e3e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "openlayer"
-version = "0.2.0-alpha.71"
+version = "0.2.0-alpha.72"
 description = "The official Python library for the openlayer API"
 dynamic = ["readme"]
 license = "Apache-2.0"
diff --git a/src/openlayer/_version.py b/src/openlayer/_version.py
index ae7f5681..4c55c921 100644
--- a/src/openlayer/_version.py
+++ b/src/openlayer/_version.py
@@ -1,4 +1,4 @@
 # File generated from our OpenAPI spec by Stainless. See CONTRIBUTING.md for details.
 
 __title__ = "openlayer"
-__version__ = "0.2.0-alpha.71"  # x-release-please-version
+__version__ = "0.2.0-alpha.72"  # x-release-please-version
diff --git a/src/openlayer/lib/integrations/bedrock_tracer.py b/src/openlayer/lib/integrations/bedrock_tracer.py
index 255b0e31..e1dca78c 100644
--- a/src/openlayer/lib/integrations/bedrock_tracer.py
+++ b/src/openlayer/lib/integrations/bedrock_tracer.py
@@ -156,8 +156,11 @@ def handle_non_streaming_invoke(
         )
 
     # Reset response body for return (since we read it)
+    response_bytes = json.dumps(response_data).encode("utf-8")
     response["body"] = type(
-        "MockBody", (), {"read": lambda: json.dumps(response_data).encode("utf-8")}
+        "MockBody",
+        (),
+        {"read": lambda size=-1: response_bytes[:size] if size > 0 else response_bytes},
     )()
     return response