diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index d819c29d..a46cd1ba 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -18,8 +18,6 @@ jobs:
     strategy:
       matrix:
         include:
-          - python: "3.6"
-            tox: py36
           - python: "3.7"
             tox: py37
           - python: "3.8"
diff --git a/.mergify.yml b/.mergify.yml
index f74465d1..4972b726 100644
--- a/.mergify.yml
+++ b/.mergify.yml
@@ -1,7 +1,6 @@
 queue_rules:
   - name: default
     conditions: &CheckRuns
-      - "check-success=test (3.6, py36)"
       - "check-success=test (3.7, py37)"
       - "check-success=test (3.8, py38)"
       - "check-success=test (3.9, py39)"
diff --git a/pyproject.toml b/pyproject.toml
index 41ffe726..fc434e9f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -11,7 +11,7 @@ build-backend="setuptools.build_meta"
 [tool.black]
 line-length = 120
 safe = true
-target-version = ["py36", "py37", "py38", "py39", "py310", "py311"]
+target-version = ["py37", "py38", "py39", "py310", "py311"]
 
 [tool.mypy]
 strict = true
diff --git a/releasenotes/notes/remove-py36-876c0416cf279d15.yaml b/releasenotes/notes/remove-py36-876c0416cf279d15.yaml
new file mode 100644
index 00000000..bfb1164d
--- /dev/null
+++ b/releasenotes/notes/remove-py36-876c0416cf279d15.yaml
@@ -0,0 +1,4 @@
+---
+upgrade:
+  - |
+    Support for Python 3.6 has been removed.
diff --git a/setup.cfg b/setup.cfg
index b89917cb..ae14bf7b 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -13,7 +13,6 @@ classifier =
     Programming Language :: Python
     Programming Language :: Python :: 3
     Programming Language :: Python :: 3 :: Only
-    Programming Language :: Python :: 3.6
     Programming Language :: Python :: 3.7
     Programming Language :: Python :: 3.8
     Programming Language :: Python :: 3.9
@@ -23,7 +22,7 @@ classifier =
 
 [options]
 install_requires =
-python_requires = >=3.6
+python_requires = >=3.7
 packages = tenacity
 
 [options.packages.find]
diff --git a/tox.ini b/tox.ini
index 6a5c81c9..0fa96fce 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist = py3{6,7,8,9,10,11}, pep8, pypy3
+envlist = py3{7,8,9,10,11}, pep8, pypy3
 skip_missing_interpreters = True
 
 [testenv]
@@ -10,9 +10,9 @@ deps =
     pytest
     typeguard
 commands =
-    py3{6,7,8,9,10,11},pypy3: pytest {posargs}
-    py3{6,7,8,9,10,11},pypy3: sphinx-build -a -E -W -b doctest doc/source doc/build
-    py3{6,7,8,9,10,11},pypy3: sphinx-build -a -E -W -b html doc/source doc/build
+    py3{7,8,9,10,11},pypy3: pytest {posargs}
+    py3{7,8,9,10,11},pypy3: sphinx-build -a -E -W -b doctest doc/source doc/build
+    py3{7,8,9,10,11},pypy3: sphinx-build -a -E -W -b html doc/source doc/build
 
 [testenv:pep8]
 basepython = python3