diff --git a/.github/workflows/test_development_versions.yml b/.github/workflows/test_development_versions.yml
index b4facf8..0e9e144 100644
--- a/.github/workflows/test_development_versions.yml
+++ b/.github/workflows/test_development_versions.yml
@@ -36,7 +36,7 @@ jobs:
           # Second, update requirements[-dev].txt in place to use the
           # development (git) versions of all Qiskit packages.
           sed -i 's|^\(qiskit[A-Za-z-]*\).*|git+https://github.com/Qiskit/\1.git|' requirements-dev.txt requirements.txt
-          pip install tox
+          pip install 'tox<4'
       - name: Modify tox.ini for more thorough check
         shell: bash
         run: |
diff --git a/.github/workflows/test_latest_versions.yml b/.github/workflows/test_latest_versions.yml
index 454ac19..7dd9899 100644
--- a/.github/workflows/test_latest_versions.yml
+++ b/.github/workflows/test_latest_versions.yml
@@ -34,7 +34,7 @@ jobs:
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
-          pip install tox
+          pip install 'tox<4'
       - name: Modify tox.ini for more thorough check
         shell: bash
         run: |
diff --git a/NEWS.md b/NEWS.md
index 18f0d66..6243fea 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -1,3 +1,13 @@
+#### 0.2 (not yet released)
+
+- 2022-11-23: The minimum required version of Qiskit is now 0.37.0,
+  and the minimum required version of Qiskit Optimization is now
+  0.4.0.  Python 3.6 is no longer supported. ([#49])
+- 2022-11-23: The backend tests now use qiskit-ibm-provider rather
+  than qiskit-ibmq-provider. ([#15])
+
+#### 0.1 (2022-11-23)
+
 - 2022-06-21: Magic rounding now supports all available encodings.
   ([#33])
 - 2022-06-17: Fixed a bug in the "weighted" sampling method for magic
@@ -12,7 +22,9 @@
 - 2022-06-09: Added a comparison to exact optimal function value using
   `CplexOptimizer` in the first tutorial ([#27])
 
+[#15]: https://github.com/qiskit-community/prototype-qrao/pull/15
 [#27]: https://github.com/qiskit-community/prototype-qrao/pull/27
 [#33]: https://github.com/qiskit-community/prototype-qrao/pull/33
 [#34]: https://github.com/qiskit-community/prototype-qrao/pull/34
 [#40]: https://github.com/qiskit-community/prototype-qrao/pull/40
+[#49]: https://github.com/qiskit-community/prototype-qrao/pull/49
diff --git a/README.md b/README.md
index 0413ac4..9f95785 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 ![Platform](https://img.shields.io/badge/Platform-Linux%20%7C%20macOS%20%7C%20Windows-informational)
 [![Python](https://img.shields.io/badge/Python-3.7%20%7C%203.8%20%7C%203.9%20%7C%203.10-informational)](https://www.python.org/)
-[![Qiskit](https://img.shields.io/badge/Qiskit-%E2%89%A5%200.34.2-6133BD)](https://github.com/Qiskit/qiskit)
-[![Qiskit Optimization](https://img.shields.io/badge/Qiskit%20Optimization-%E2%89%A5%200.3.0-6133BD)](https://github.com/Qiskit/qiskit-optimization)
+[![Qiskit](https://img.shields.io/badge/Qiskit-%E2%89%A5%200.37.0-6133BD)](https://github.com/Qiskit/qiskit)
+[![Qiskit Optimization](https://img.shields.io/badge/Qiskit%20Optimization-%E2%89%A5%200.4.0-6133BD)](https://github.com/Qiskit/qiskit-optimization)
 [![License](https://img.shields.io/github/license/qiskit-community/prototype-qrao?label=License)](https://github.com/qiskit-community/prototype-qrao/blob/main/LICENSE.txt)
 [![Code style: Black](https://img.shields.io/badge/Code%20style-Black-000.svg)](https://github.com/psf/black)
 [![Tests](https://github.com/qiskit-community/prototype-qrao/actions/workflows/test_latest_versions.yml/badge.svg)](https://github.com/qiskit-community/prototype-qrao/actions/workflows/test_latest_versions.yml)
diff --git a/tox.ini b/tox.ini
index 6c4b49d..74695c8 100644
--- a/tox.ini
+++ b/tox.ini
@@ -2,13 +2,9 @@
 minversion = 2.4
 envlist = py36, py37, py38, py39, py310, lint, coverage, docs
 # CI: skip-next-line
-skipsdist = true
-# CI: skip-next-line
 skip_missing_interpreters = true
 
 [testenv]
-# CI: skip-next-line
-usedevelop = true
 install_command = pip install -U {opts} {packages}
 setenv =
   VIRTUAL_ENV={envdir}