diff --git a/.github/.OwlBot.lock.yaml b/.github/.OwlBot.lock.yaml
index 864c176..da616c9 100644
--- a/.github/.OwlBot.lock.yaml
+++ b/.github/.OwlBot.lock.yaml
@@ -1,3 +1,3 @@
 docker:
   image: gcr.io/repo-automation-bots/owlbot-python:latest
-  digest: sha256:4c981a6b6f2b8914a448d7b3a01688365be03e3ed26dfee399a6aa77fb112eaa
+  digest: sha256:c66ba3c8d7bc8566f47df841f98cd0097b28fff0b1864c86f5817f4c8c3e8600
diff --git a/CHANGELOG.md b/CHANGELOG.md
index ce4b280..fb3dfc7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+### [0.2.1](https://www.github.com/googleapis/python-data-qna/compare/v0.2.0...v0.2.1) (2021-06-16)
+
+
+### Bug Fixes
+
+* exclude docs and tests from package ([#51](https://www.github.com/googleapis/python-data-qna/issues/51)) ([02506a4](https://www.github.com/googleapis/python-data-qna/commit/02506a41ca4d5cca4c8dc7d171a7c4cd874b9e26))
+
 ## [0.2.0](https://www.github.com/googleapis/python-data-qna/compare/v0.1.1...v0.2.0) (2021-05-18)
 
 
diff --git a/docs/conf.py b/docs/conf.py
index 5b1602d..a6b39de 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -363,6 +363,7 @@
     "google.api_core": ("https://googleapis.dev/python/google-api-core/latest/", None,),
     "grpc": ("https://grpc.github.io/grpc/python/", None),
     "proto-plus": ("https://proto-plus-python.readthedocs.io/en/latest/", None),
+    "protobuf": ("https://googleapis.dev/python/protobuf/latest/", None),
 }
 
 
diff --git a/docs/multiprocessing.rst b/docs/multiprocessing.rst
index 1cb29d4..536d17b 100644
--- a/docs/multiprocessing.rst
+++ b/docs/multiprocessing.rst
@@ -1,7 +1,7 @@
 .. note::
 
-   Because this client uses :mod:`grpcio` library, it is safe to
+   Because this client uses :mod:`grpc` library, it is safe to
    share instances across threads. In multiprocessing scenarios, the best
    practice is to create client instances *after* the invocation of
-   :func:`os.fork` by :class:`multiprocessing.Pool` or
+   :func:`os.fork` by :class:`multiprocessing.pool.Pool` or
    :class:`multiprocessing.Process`.
diff --git a/noxfile.py b/noxfile.py
index 70417e8..03aa2f5 100644
--- a/noxfile.py
+++ b/noxfile.py
@@ -179,7 +179,7 @@ def docs(session):
     """Build the docs for this library."""
 
     session.install("-e", ".")
-    session.install("sphinx", "alabaster", "recommonmark")
+    session.install("sphinx==4.0.1", "alabaster", "recommonmark")
 
     shutil.rmtree(os.path.join("docs", "_build"), ignore_errors=True)
     session.run(
@@ -201,7 +201,9 @@ def docfx(session):
     """Build the docfx yaml files for this library."""
 
     session.install("-e", ".")
-    session.install("sphinx", "alabaster", "recommonmark", "gcp-sphinx-docfx-yaml")
+    session.install(
+        "sphinx==4.0.1", "alabaster", "recommonmark", "gcp-sphinx-docfx-yaml"
+    )
 
     shutil.rmtree(os.path.join("docs", "_build"), ignore_errors=True)
     session.run(
diff --git a/setup.py b/setup.py
index 4a5d0c8..5a3635a 100644
--- a/setup.py
+++ b/setup.py
@@ -19,7 +19,7 @@
 import os
 import setuptools  # type: ignore
 
-version = "0.2.0"
+version = "0.2.1"
 
 package_root = os.path.abspath(os.path.dirname(__file__))
 
@@ -36,7 +36,11 @@
     author_email="googleapis-packages@google.com",
     license="Apache 2.0",
     url="https://github.com/googleapis/python-data-qna",
-    packages=setuptools.PEP420PackageFinder.find(),
+    packages=[
+        package
+        for package in setuptools.PEP420PackageFinder.find()
+        if package.startswith("google")
+    ],
     namespace_packages=("google", "google.cloud"),
     platforms="Posix; MacOS X; Windows",
     include_package_data=True,