diff --git a/packages/google-cloud-bigquery-datatransfer/README.rst b/packages/google-cloud-bigquery-datatransfer/README.rst
index dfeb7392af6c..bb710054d940 100644
--- a/packages/google-cloud-bigquery-datatransfer/README.rst
+++ b/packages/google-cloud-bigquery-datatransfer/README.rst
@@ -48,7 +48,7 @@ dependencies.
 
 Supported Python Versions
 ^^^^^^^^^^^^^^^^^^^^^^^^^
-Python >= 3.4
+Python >= 3.5
 
 Deprecated Python Versions
 ^^^^^^^^^^^^^^^^^^^^^^^^^^
diff --git a/packages/google-cloud-bigquery-datatransfer/setup.py b/packages/google-cloud-bigquery-datatransfer/setup.py
index 2382306cc06f..19473dd12079 100644
--- a/packages/google-cloud-bigquery-datatransfer/setup.py
+++ b/packages/google-cloud-bigquery-datatransfer/setup.py
@@ -72,7 +72,6 @@
         'Programming Language :: Python :: 2',
         'Programming Language :: Python :: 2.7',
         'Programming Language :: Python :: 3',
-        'Programming Language :: Python :: 3.4',
         'Programming Language :: Python :: 3.5',
         'Programming Language :: Python :: 3.6',
         'Programming Language :: Python :: 3.7',