diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index ee3f04c..393db89 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ['3.8', '3.9', '3.10', '3.11', '3.12', '3.13.0-alpha - 3.13']
+        python-version: ['3.9', '3.10', '3.11', '3.12', '3.13.0-alpha - 3.13']
     steps:
     - uses: actions/checkout@v4
     - uses: actions/setup-python@v4
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1fbc886..69b7f99 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,8 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/).
 
 ## Unreleased
+### Changed
+* Python >=3.9 required
 
 ## [1.4](https://pypi.org/project/waiter/1.4/) - 2023-11-09
 ### Changed
diff --git a/pyproject.toml b/pyproject.toml
index f0cfca8..aef2593 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -7,7 +7,7 @@ name = "waiter"
 dynamic = ["version"]
 description = "Delayed iteration for polling and retries."
 readme = "README.md"
-requires-python = ">=3.8"
+requires-python = ">=3.9"
 license = {file = "LICENSE.txt"}
 authors = [{name = "Aric Coady", email = "aric.coady@gmail.com"}]
 keywords = ["wait", "retry", "poll", "delay", "sleep", "timeout", "incremental", "exponential", "backoff", "async"]
@@ -17,7 +17,6 @@ classifiers = [
     "License :: OSI Approved :: Apache Software License",
     "Operating System :: OS Independent",
     "Programming Language :: Python :: 3",
-    "Programming Language :: Python :: 3.8",
     "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
diff --git a/waiter/__init__.py b/waiter/__init__.py
index 54366c9..c70500c 100644
--- a/waiter/__init__.py
+++ b/waiter/__init__.py
@@ -7,9 +7,9 @@
 import random
 import time
 import types
-from collections.abc import AsyncIterable, Callable, Iterable, Sequence
+from collections.abc import AsyncIterable, Callable, Iterable, Iterator, Sequence
 from functools import partial
-from typing import Iterator, Optional
+from typing import Optional
 from multimethod import multimethod, overload
 
 __version__ = '1.4'