diff --git a/python/README.md b/python/README.md
index 84ec88141cb0..3f17fdb98a08 100644
--- a/python/README.md
+++ b/python/README.md
@@ -29,4 +29,4 @@ The Python packaging for Spark is not intended to replace all of the other use c
 
 ## Python Requirements
 
-At its core PySpark depends on Py4J (currently version 0.10.6), but additional sub-packages have their own requirements (including numpy and pandas).
+At its core PySpark depends on Py4J (currently version 0.10.6), but some additional sub-packages have their own extra requirements for some features (including numpy, pandas, and pyarrow).
diff --git a/python/setup.py b/python/setup.py
index 310670e697a8..251d4526d4dd 100644
--- a/python/setup.py
+++ b/python/setup.py
@@ -201,7 +201,7 @@ def _supports_symlinks():
         extras_require={
             'ml': ['numpy>=1.7'],
             'mllib': ['numpy>=1.7'],
-            'sql': ['pandas>=0.19.2']
+            'sql': ['pandas>=0.19.2', 'pyarrow>=0.8.0']
         },
         classifiers=[
             'Development Status :: 5 - Production/Stable',
@@ -210,6 +210,7 @@ def _supports_symlinks():
             'Programming Language :: Python :: 3',
             'Programming Language :: Python :: 3.4',
             'Programming Language :: Python :: 3.5',
+            'Programming Language :: Python :: 3.6',
             'Programming Language :: Python :: Implementation :: CPython',
             'Programming Language :: Python :: Implementation :: PyPy']
     )