diff --git a/CHANGELOG.md b/CHANGELOG.md
index 41bbda18a..5ef22e8d7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,13 @@
 
 [1]: https://pypi.org/project/google-cloud-bigquery/#history
 
+### [1.27.2](https://www.github.com/googleapis/python-bigquery/compare/v1.27.1...v1.27.2) (2020-08-18)
+
+
+### Bug Fixes
+
+* rationalize platform constraints for 'pyarrow' extra ([#235](https://www.github.com/googleapis/python-bigquery/issues/235)) ([c9a0567](https://www.github.com/googleapis/python-bigquery/commit/c9a0567f59491b769a9e2fd535430423e39d4fa8))
+
 ### [1.27.1](https://www.github.com/googleapis/python-bigquery/compare/v1.27.0...v1.27.1) (2020-08-18)
 
 
diff --git a/setup.py b/setup.py
index 02a89f607..18bb78926 100644
--- a/setup.py
+++ b/setup.py
@@ -22,7 +22,7 @@
 
 name = "google-cloud-bigquery"
 description = "Google BigQuery API client library"
-version = "1.27.1"
+version = "1.27.2"
 # Should be one of:
 # 'Development Status :: 3 - Alpha'
 # 'Development Status :: 4 - Beta'
@@ -47,13 +47,10 @@
     ],
     "pandas": ["pandas>=0.17.1"],
     # Exclude PyArrow dependency from Windows Python 2.7.
-    'pyarrow: platform_system == "Windows"': [
-        "pyarrow>=1.0.0, <2.0dev; python_version>='3.5'",
-    ],
-    'pyarrow: platform_system != "Windows"': [
-        "pyarrow>=1.0.0, <2.0dev; python_version>='3.5'",
+    "pyarrow": [
+        "pyarrow >= 1.0.0, < 2.0dev; python_version >= '3.5'",
         # Pyarrow >= 0.17.0 is not compatible with Python 2 anymore.
-        "pyarrow < 0.17.0; python_version < '3.0'",
+        "pyarrow < 0.17.0; python_version < '3.0' and platform_system != 'Windows'",
     ],
     "tqdm": ["tqdm >= 4.0.0, <5.0.0dev"],
     "fastparquet": [