diff --git a/README.md b/README.md
index 11949ca..556ede5 100644
--- a/README.md
+++ b/README.md
@@ -11,7 +11,7 @@ It uses 3-way pings (akin to TCP SYN, SYN/ACK, ACK) and after-the-fact state com
 
 ## Installation
 
-2ping requires Python 3 version 3.6 or higher.
+2ping requires Python 3 version 3.10 or higher.
 
 To install 2ping with all optional dependencies as a pipx package:
 
diff --git a/pyproject.toml b/pyproject.toml
index 320f3d0..9bddb8e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -10,13 +10,12 @@ authors = [
 ]
 description = "2ping a bi-directional ping utility"
 readme = "README.md"
-requires-python = ">=3.6"
-license = {text = "MPL-2.0"}
+requires-python = ">=3.10"
+license = "MPL-2.0"
 classifiers = [
     "Development Status :: 5 - Production/Stable",
     "Environment :: Console",
     "Intended Audience :: System Administrators",
-    "License :: OSI Approved :: Mozilla Public License 2.0 (MPL 2.0)",
     "Natural Language :: English",
     "Operating System :: MacOS :: MacOS X",
     "Operating System :: Microsoft :: Windows",
@@ -41,6 +40,9 @@ full = [
     "pycryptodomex",
 ]
 
+[tool.setuptools.data-files]
+"share/man/man1" = ["doc/*.1"]
+
 [tool.setuptools.packages.find]
 include = [
     "twoping",
@@ -58,3 +60,7 @@ line-length = 132
 [tool.flake8]
 max-line-length = 132
 ignore = ["E203", "W503"]
+
+[build-system]
+requires = ["setuptools>=77.0.3"]
+build-backend = "setuptools.build_meta"
diff --git a/twoping/__init__.py b/twoping/__init__.py
index 3df4fca..433ec07 100644
--- a/twoping/__init__.py
+++ b/twoping/__init__.py
@@ -6,4 +6,4 @@
 
 
 __version__ = "4.5.1"
-assert sys.version_info > (3, 6)
+assert sys.version_info > (3, 10)