diff --git a/.github/workflows/ci_test.yml b/.github/workflows/ci_test.yml
index 68008585..f392558c 100644
--- a/.github/workflows/ci_test.yml
+++ b/.github/workflows/ci_test.yml
@@ -17,7 +17,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, macos-latest]
-        python-version: ['3.7', '3.8', '3.9', '3.10']
+        python-version: ['3.8', '3.9', '3.10', '3.11']
 
     steps:
     - name: Checkout repository
@@ -69,7 +69,7 @@ jobs:
     - name: Set up Python 
       uses: actions/setup-python@v4
       with:
-        python-version: "3.7"
+        python-version: "3.8"
     - name: Install non-python dependencies on linux
       run: |
         sudo apt-get install libsuitesparse-dev
@@ -115,7 +115,7 @@ jobs:
     - name: Set up Python
       uses: actions/setup-python@v4
       with:
-        python-version: '3.7'
+        python-version: '3.8'
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
diff --git a/CONTRIBUTING.rst b/CONTRIBUTING.rst
index ad6c38ec..801e4f37 100644
--- a/CONTRIBUTING.rst
+++ b/CONTRIBUTING.rst
@@ -114,8 +114,8 @@ Before you submit a pull request, check that it meets these guidelines:
 1. The pull request should include tests.
 2. If the pull request adds functionality, the docs should be updated. Put
    your new functionality into a function with a docstring.
-3. The pull request should work for Python 2.6, 2.7, 3.3, 3.4 and 3.5, and for PyPy. Check
-   https://travis-ci.org/nanograv/enterprise/pull_requests
+3. The pull request should work for Python 3.8, 3.9, 3.10, and 3.11. Check
+   https://github.com/nanograv/enterprise/pulls
    and make sure that the tests pass for all supported Python versions.
 
 Tips
diff --git a/README.md b/README.md
index 6c71c471..965396c1 100644
--- a/README.md
+++ b/README.md
@@ -5,7 +5,7 @@
 [![Build Status](https://github.com/nanograv/enterprise/workflows/CI-Tests/badge.svg)](https://github.com/nanograv/enterprise/actions)
 [![Documentation Status](https://readthedocs.org/projects/enterprise/badge/?version=latest)](https://enterprise.readthedocs.io/en/latest/?badge=latest)
 [![Test Coverage](https://codecov.io/gh/nanograv/enterprise/branch/master/graph/badge.svg?token=YXSX3293VF)](https://codecov.io/gh/nanograv/enterprise)
-![Python Versions](https://img.shields.io/badge/python-3.7%2C%203.8%2C%203.9%2C%203.10-blue.svg)
+![Python Versions](https://img.shields.io/badge/python-3.8%2C%203.9%2C%203.10%2C%203.11-blue.svg)
 
 [![Zenodo DOI 4059815](https://zenodo.org/badge/DOI/10.5281/zenodo.4059815.svg)](https://doi.org/10.5281/zenodo.4059815)
 
@@ -14,7 +14,7 @@ Inference SuitE) is a pulsar timing analysis code, aimed at noise
 analysis, gravitational-wave searches, and timing model analysis.
 
 -   Note: `enterprise>=3.0` does not support Python2.7. You must use
-    Python \>= 3.7.
+    Python \>= 3.8.
 -   Free software: MIT license
 -   Documentation: <https://enterprise.readthedocs.io>.
 
diff --git a/docs/index.rst b/docs/index.rst
index 223d63dd..c778e692 100644
--- a/docs/index.rst
+++ b/docs/index.rst
@@ -15,7 +15,7 @@ Welcome to enterprise's documentation!
 .. image:: https://codecov.io/gh/nanograv/enterprise/branch/master/graph/badge.svg?token=YXSX3293VF
         :target: https://codecov.io/gh/nanograv/enterprise
         :alt: Test Coverage
-.. image:: https://img.shields.io/badge/python-3.6%2C%203.7%2C%203.8-blue.svg
+.. image:: https://img.shields.io/badge/python-3.8%2C%203.9%2C%203.10%2C%203.11-blue.svg
         :alt: Python Versions
 
 .. image:: https://zenodo.org/badge/DOI/10.5281/zenodo.4059815.svg
diff --git a/setup.py b/setup.py
index 2e5993a3..1e068864 100644
--- a/setup.py
+++ b/setup.py
@@ -30,7 +30,7 @@
     package_dir={"enterprise": "enterprise"},
     include_package_data=True,
     package_data={"enterprise": ["datafiles/*", "datafiles/ephemeris/*", "datafiles/ng9/*", "datafiles/mdc_open1/*"]},
-    python_requires=">=3.7, <3.11",
+    python_requires=">=3.8, <3.12",
     install_requires=requirements,
     license="MIT license",
     zip_safe=False,
@@ -42,10 +42,10 @@
         "License :: OSI Approved :: MIT License",
         "Natural Language :: English",
         "Programming Language :: Python :: 3",
-        "Programming Language :: Python :: 3.7",
         "Programming Language :: Python :: 3.8",
         "Programming Language :: Python :: 3.9",
         "Programming Language :: Python :: 3.10",
+        "Programming Language :: Python :: 3.11",
         "Topic :: Scientific/Engineering :: Astronomy",
         "Topic :: Scientific/Engineering :: Physics",
     ],