diff --git a/packages/google-cloud-phishing-protection/.flake8 b/packages/google-cloud-phishing-protection/.flake8
index ed9316381c9c..29227d4cf419 100644
--- a/packages/google-cloud-phishing-protection/.flake8
+++ b/packages/google-cloud-phishing-protection/.flake8
@@ -26,6 +26,7 @@ exclude =
   *_pb2.py
 
   # Standard linting exemptions.
+  **/.nox/**
   __pycache__,
   .git,
   *.pyc,
diff --git a/packages/google-cloud-phishing-protection/CONTRIBUTING.rst b/packages/google-cloud-phishing-protection/CONTRIBUTING.rst
index 9dd196aca247..24a168724377 100644
--- a/packages/google-cloud-phishing-protection/CONTRIBUTING.rst
+++ b/packages/google-cloud-phishing-protection/CONTRIBUTING.rst
@@ -21,8 +21,8 @@ In order to add a feature:
 - The feature must be documented in both the API and narrative
   documentation.
 
-- The feature must work fully on the following CPython versions:  2.7,
-  3.5, 3.6, 3.7 and 3.8 on both UNIX and Windows.
+- The feature must work fully on the following CPython versions:
+  3.6, 3.7, 3.8 and 3.9 on both UNIX and Windows.
 
 - The feature must not add unnecessary dependencies (where
   "unnecessary" is of course subjective, but new dependencies should
@@ -202,25 +202,24 @@ Supported Python Versions
 
 We support:
 
--  `Python 3.5`_
 -  `Python 3.6`_
 -  `Python 3.7`_
 -  `Python 3.8`_
+-  `Python 3.9`_
 
-.. _Python 3.5: https://docs.python.org/3.5/
 .. _Python 3.6: https://docs.python.org/3.6/
 .. _Python 3.7: https://docs.python.org/3.7/
 .. _Python 3.8: https://docs.python.org/3.8/
+.. _Python 3.9: https://docs.python.org/3.9/
 
 
 Supported versions can be found in our ``noxfile.py`` `config`_.
 
 .. _config: https://github.com/googleapis/python-phishingprotection/blob/master/noxfile.py
 
-Python 2.7 support is deprecated. All code changes should maintain Python 2.7 compatibility until January 1, 2020.
 
 We also explicitly decided to support Python 3 beginning with version
-3.5. Reasons for this include:
+3.6. Reasons for this include:
 
 -  Encouraging use of newest versions of Python 3
 -  Taking the lead of `prominent`_ open-source `projects`_
diff --git a/packages/google-cloud-phishing-protection/synth.metadata b/packages/google-cloud-phishing-protection/synth.metadata
index ae935211c7d6..7b0723f32afa 100644
--- a/packages/google-cloud-phishing-protection/synth.metadata
+++ b/packages/google-cloud-phishing-protection/synth.metadata
@@ -4,7 +4,7 @@
       "git": {
         "name": ".",
         "remote": "https://github.com/googleapis/python-phishingprotection.git",
-        "sha": "197a75346252441e5a5cb5eee982e7cb64a20299"
+        "sha": "e587e30187c88b252664a0f39d1860cc9eed98ea"
       }
     },
     {
@@ -19,7 +19,7 @@
       "git": {
         "name": "synthtool",
         "remote": "https://github.com/googleapis/synthtool.git",
-        "sha": "aa255b15d52b6d8950cca48cfdf58f7d27a60c8a"
+        "sha": "373861061648b5fe5e0ac4f8a38b32d639ee93e4"
       }
     }
   ],