diff --git a/README.rst b/README.rst
index fe9523b9..4a4029dd 100644
--- a/README.rst
+++ b/README.rst
@@ -32,7 +32,7 @@ The documentation is hosted at https://docs.gunicorn.org.
 Installation
 ------------
 
-Gunicorn requires **Python 3.x >= 3.5**.
+Gunicorn requires **Python 3.x >= 3.7**.
 
 Install from PyPI::
 
diff --git a/docs/source/index.rst b/docs/source/index.rst
index 24c4814d..3f89ce1e 100644
--- a/docs/source/index.rst
+++ b/docs/source/index.rst
@@ -23,7 +23,7 @@ Features
 * Simple Python configuration
 * Multiple worker configurations
 * Various server hooks for extensibility
-* Compatible with Python 3.x >= 3.5
+* Compatible with Python 3.x >= 3.7
 
 
 Contents
diff --git a/docs/source/install.rst b/docs/source/install.rst
index 66f2479e..2367086d 100644
--- a/docs/source/install.rst
+++ b/docs/source/install.rst
@@ -4,7 +4,7 @@ Installation
 
 .. highlight:: bash
 
-:Requirements: **Python 3.x >= 3.5**
+:Requirements: **Python 3.x >= 3.7**
 
 To install the latest released version of Gunicorn::
 
diff --git a/pyproject.toml b/pyproject.toml
index 3ef076cc..e0fcb7ed 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -17,8 +17,6 @@ classifiers = [
     "Operating System :: POSIX",
     "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",
@@ -35,7 +33,7 @@ classifiers = [
     "Topic :: Internet :: WWW/HTTP :: WSGI :: Server",
     "Topic :: Internet :: WWW/HTTP :: Dynamic Content",
 ]
-requires-python = ">=3.5"
+requires-python = ">=3.7"
 dependencies = [
     'importlib_metadata; python_version<"3.8"',
     "packaging",