diff --git a/tensorboard/pip_package/requirements.txt b/tensorboard/pip_package/requirements.txt
index a8632f6f20..c2400a1a3f 100644
--- a/tensorboard/pip_package/requirements.txt
+++ b/tensorboard/pip_package/requirements.txt
@@ -16,8 +16,6 @@
 # Non-vendored runtime dependencies of TensorBoard.
 
 absl-py >= 0.4
-# futures is a backport of the python 3.2+ concurrent.futures module
-futures >= 3.1.1; python_version < "3"
 grpcio >= 1.24.3
 google-auth >= 1.6.3, < 2
 google-auth-oauthlib >= 0.4.1, < 0.5
@@ -29,6 +27,4 @@ setuptools >= 41.0.0
 tensorboard-data-server >= 0.6.0, < 0.7.0
 tensorboard-plugin-wit >= 1.6.0
 werkzeug >= 0.11.15
-# python3 specifically requires wheel 0.26
-wheel; python_version < "3"
-wheel >= 0.26; python_version >= "3"
+wheel >= 0.26
diff --git a/tensorboard/pip_package/requirements_dev.txt b/tensorboard/pip_package/requirements_dev.txt
index 1782cef3aa..c621e405c5 100644
--- a/tensorboard/pip_package/requirements_dev.txt
+++ b/tensorboard/pip_package/requirements_dev.txt
@@ -23,7 +23,7 @@ boto3==1.9.86
 moto==1.3.7
 
 # For linting
-black==20.8b1; python_version >= "3.6"
+black==20.8b1
 flake8==3.7.8
 yamllint==1.17.0
 
diff --git a/tensorboard/pip_package/setup.py b/tensorboard/pip_package/setup.py
index 8971d4757a..6279dcacf6 100644
--- a/tensorboard/pip_package/setup.py
+++ b/tensorboard/pip_package/setup.py
@@ -62,8 +62,6 @@ def get_readme():
             "tf_projector_plugin/projector_binary.js",
         ],
     },
-    # Disallow python 3.0 and 3.1 which lack a 'futures' module (see above).
-    python_requires=">= 2.7, != 3.0.*, != 3.1.*",
     install_requires=REQUIRED_PACKAGES,
     tests_require=REQUIRED_PACKAGES,
     # PyPI package information.
@@ -73,12 +71,12 @@ def get_readme():
         "Intended Audience :: Education",
         "Intended Audience :: Science/Research",
         "License :: OSI Approved :: Apache Software License",
-        "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",
+        "Programming Language :: Python :: 3.8",
+        "Programming Language :: Python :: 3.9",
+        "Programming Language :: Python :: 3 :: Only",
         "Topic :: Scientific/Engineering :: Mathematics",
         "Topic :: Software Development :: Libraries :: Python Modules",
         "Topic :: Software Development :: Libraries",