diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index e88abd2c..28a5eef2 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -13,15 +13,10 @@ jobs:
       matrix:
         os: ["ubuntu-latest"]
         python-version:
-          - "3.5"
-          - "3.6"
-          - "3.7"
           - "3.8"
           - "3.9"
           - "3.10"
           - "3.11"
-          - "pypy-3.6"
-          - "pypy-3.7"
           - "pypy-3.8"
           - "pypy-3.9"
     steps:
diff --git a/README.rst b/README.rst
index e62ac791..d31a89c8 100644
--- a/README.rst
+++ b/README.rst
@@ -73,7 +73,7 @@ This builds a standard wordcount function from pieces within ``toolz``:
 Dependencies
 ------------
 
-``toolz`` supports Python 3.5+ with a common codebase.
+``toolz`` supports Python 3.8+ with a common codebase.
 It is pure Python and requires no dependencies beyond the standard
 library.
 
diff --git a/doc/source/install.rst b/doc/source/install.rst
index 6ed2a5c8..faed7ad7 100644
--- a/doc/source/install.rst
+++ b/doc/source/install.rst
@@ -11,4 +11,4 @@ three ways:
 
 1.  Toolz is pure Python
 2.  Toolz relies only on the standard library
-3.  Toolz simultaneously supports Python versions 3.5+ and PyPy
+3.  Toolz simultaneously supports Python versions 3.8+ and PyPy
diff --git a/setup.py b/setup.py
index 5146e158..7a2f6054 100755
--- a/setup.py
+++ b/setup.py
@@ -22,15 +22,12 @@
       long_description=(open('README.rst').read() if exists('README.rst')
                         else ''),
       zip_safe=False,
-      python_requires=">=3.5",
+      python_requires=">=3.8",
       classifiers=[
           "Development Status :: 5 - Production/Stable",
           "License :: OSI Approved :: BSD License",
           "Programming Language :: Python",
           "Programming Language :: Python :: 3",
-          "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 :: 3.10",
diff --git a/tox.ini b/tox.ini
index 33bb87f0..0ec174b1 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,10 +1,9 @@
 [tox]
 envlist =
-    py35
-    py36
-    py37
     py38
     py39
+    py310
+    py311
     pypy3
 
 skip_missing_interpreters = true