diff --git a/.github/workflows/python-package.yml b/.github/workflows/python-package.yml
index 10065fc..7c55ab6 100644
--- a/.github/workflows/python-package.yml
+++ b/.github/workflows/python-package.yml
@@ -18,7 +18,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.7", "3.8", "3.9", "3.10", "3.11", "3.12"]
+        python-version: ["3.9", "3.10", "3.11", "3.12"]
         os: [ubuntu-latest]
 
     steps:
diff --git a/docs/get_started.rst b/docs/get_started.rst
index 8066adf..2ed54ff 100644
--- a/docs/get_started.rst
+++ b/docs/get_started.rst
@@ -6,7 +6,7 @@ Getting Started
 System Requirements
 -------------------
 
-``mc3`` is compatible with Python 3.7+, and has been `tested
+``mc3`` is compatible with Python 3.9+, and has been `tested
 <https://github.com/pcubillos/mc3/actions/workflows/python-package.yml>`_ to work on Unix/Linux and OS X machines.
 
 Install
diff --git a/docs/index.rst b/docs/index.rst
index eb4db02..3594041 100644
--- a/docs/index.rst
+++ b/docs/index.rst
@@ -40,7 +40,7 @@ mc3: Multi-Core Markov-Chain Monte Carlo
 
 .. note::
 
-    Got  Python3.7+? Simply install as: ``pip install mc3``
+    Got  Python3.9+? Simply install as: ``pip install mc3``
 
 
 Features
diff --git a/pyproject.toml b/pyproject.toml
index 02b5425..7466b75 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -14,7 +14,7 @@ license = { file = "LICENSE" }
 #https://packaging.python.org/en/latest/guides/single-sourcing-package-version/
 dynamic = ["version"]
 
-requires-python = ">=3.6"
+requires-python = ">=3.9"
 authors = [
   {name = "Patricio Cubillos", email = "patricio.cubillos@oeaw.ac.at"},
 ]