diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 9dc4fdd..f5a926c 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -2,7 +2,7 @@ name: CI
 on:
   push:
     branches:
-      - "*"
+      - "master"
   pull_request:
     branches:
       - "*"
@@ -25,7 +25,7 @@ jobs:
       fail-fast: false
       matrix:
         os: ["ubuntu-latest"]
-        python-version: ["3.9", "3.10", "3.11"]
+        python-version: ["3.9", "3.10", "3.11", "3.12"]
     steps:
       - uses: actions/checkout@v3
         with:
@@ -36,13 +36,13 @@ jobs:
           echo "PYTHON_VERSION=${{ matrix.python-version }}" >> $GITHUB_ENV
 
       - name: Setup micromamba
-        uses: mamba-org/provision-with-micromamba@v15
+        uses: mamba-org/setup-micromamba@v1
         with:
           environment-file: ${{ env.CONDA_ENV_FILE }}
-          environment-name: xarray-tests
-          cache-env: true
-          cache-env-key: "${{runner.os}}-${{runner.arch}}-py${{matrix.python-version}}-${{hashFiles(env.CONDA_ENV_FILE)}}"
-          extra-specs: |
+          environment-name: npg-tests
+          cache-environment: true
+          cache-environment-key: "${{runner.os}}-${{runner.arch}}-py${{matrix.python-version}}-${{hashFiles(env.CONDA_ENV_FILE)}}"
+          create-args: >-
             python=${{matrix.python-version}}
             conda
 
diff --git a/README.md b/README.md
index fa71074..654b0fb 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,7 @@
 [![GitHub Workflow CI Status](https://img.shields.io/github/actions/workflow/status/ml31415/numpy-groupies/ci.yaml?branch=master&logo=github&style=flat)](https://github.com/ml31415/numpy-groupies/actions)
 [![PyPI](https://img.shields.io/pypi/v/numpy-groupies.svg?style=flat)](https://pypi.org/project/numpy-groupies/)
 [![Conda-forge](https://img.shields.io/conda/vn/conda-forge/numpy_groupies.svg?style=flat)](https://anaconda.org/conda-forge/numpy_groupies)
+[![Supported Versions](https://img.shields.io/pypi/pyversions/numpy-groupies.svg)](https://pypi.org/project/numpy-groupies)
 [![Code style: black](https://img.shields.io/badge/code%20style-black-000000.svg)](https://github.com/psf/black)
 
 # numpy-groupies
diff --git a/pyproject.toml b/pyproject.toml
index 0ad513e..7ef6e17 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -24,6 +24,7 @@ classifiers = [
     "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
+    "Programming Language :: Python :: 3.12",
     "Topic :: Scientific/Engineering",
     "Topic :: Software Development :: Libraries",
     "License :: OSI Approved :: BSD License",