diff --git a/.taskcluster.yml b/.taskcluster.yml
index 9253a3a..3ace340 100644
--- a/.taskcluster.yml
+++ b/.taskcluster.yml
@@ -84,8 +84,6 @@ tasks:
           $map:
             - short_name: py27
               image_tag: '2.7'
-            - short_name: py36
-              image_tag: '3.6'
             - short_name: py37
               image_tag: '3.7'
             - short_name: py38
diff --git a/maintenance/pin.sh b/maintenance/pin.sh
index ac01b04..e1f408e 100644
--- a/maintenance/pin.sh
+++ b/maintenance/pin.sh
@@ -4,4 +4,4 @@ set -e
 set -x
 
 docker run -t -v $PWD:/src -w /src -e SUFFIX=-py2 python:2.7 maintenance/pin-helper.sh
-docker run -t -v $PWD:/src -w /src python:3.6 maintenance/pin-helper.sh
+docker run -t -v $PWD:/src -w /src python:3.7 maintenance/pin-helper.sh
diff --git a/setup.py b/setup.py
index a28c7a7..fe488e6 100644
--- a/setup.py
+++ b/setup.py
@@ -67,7 +67,6 @@ setup(
         'Programming Language :: Python',
         'Programming Language :: Python :: 2.7',
         'Programming Language :: Python :: 3',
-        'Programming Language :: Python :: 3.6',
         'Programming Language :: Python :: 3.7',
         'Programming Language :: Python :: 3.8',
         'Programming Language :: Python :: Implementation :: CPython',
diff --git a/tox.ini b/tox.ini
index b14835b..2111283 100644
--- a/tox.ini
+++ b/tox.ini
@@ -4,7 +4,7 @@
 envlist =
     clean,
     check,
-    {py27,py36,py37,py38,py39,py310,pypy},
+    {py27,py37,py38,py39,py310,pypy},
     docs,
     report
 
@@ -12,7 +12,6 @@ envlist =
 basepython =
     pypy: {env:TOXPYTHON:pypy}
     py27: {env:TOXPYTHON:python2.7}
-    py36: {env:TOXPYTHON:python3.6}
     py37: {env:TOXPYTHON:python3.7}
     py38: {env:TOXPYTHON:python3.8}
     py39: {env:TOXPYTHON:python3.9}