diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 78ff708..70628b9 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -20,22 +20,21 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest]
-        python-version: [3.6, 3.7, 3.8, 3.9]
+        python-version: ["3.10", "3.14"]
 
     steps:
     - name: Checkout
-      uses: actions/checkout@v2
+      uses: actions/checkout@v6
 
-    - name: Setup conda
-      uses: conda-incubator/setup-miniconda@v2
+    - name: Install Conda environment with Micromamba
+      uses: mamba-org/setup-micromamba@v2
       with:
-        python-version: ${{ matrix.python-version }}
-        mamba-version: "*"
-        auto-activate-base: false
-        channels: conda-forge
-
-    - name: Install dependencies
-      run: mamba install pytest pytest-cov flake8
+        environment-name: py2vega
+        create-args: >-
+          python=${{ matrix.python-version }}
+          pytest
+          pytest-cov
+          flake8
 
     - name: Install py2vega
       run: pip install -e .
diff --git a/README.md b/README.md
index 87b1dd9..cd06f45 100644
--- a/README.md
+++ b/README.md
@@ -1,9 +1,5 @@
 # py2vega
 
-
-[![Travis](https://travis-ci.org/QuantStack/py2vega.svg?branch=master)](https://travis-ci.org/QuantStack/py2vega)
-[![Chat](https://badges.gitter.im/Join%20Chat.svg)](https://gitter.im/QuantStack/Lobby)
-
 A Python to [Vega-expression](https://vega.github.io/vega/docs/expressions/) transpiler.
 
 ## Installation
diff --git a/setup.py b/setup.py
index dd08a69..f3d2860 100644
--- a/setup.py
+++ b/setup.py
@@ -14,9 +14,9 @@
     license='BSD 3-Clause',
     keywords='python vega vega-expression',
     packages=find_packages(exclude=['test']),
-    python_requires='>=3.6',
+    python_requires='>=3.10',
     install_requires=[
-        'gast>=0.4.0,<0.5'
+        'gast>=0.7.0,<0.8'
     ],
     extras_require={
         'testing': ['pytest', 'flake8'],
@@ -26,10 +26,11 @@
         'Intended Audience :: Developers',
         'Operating System :: OS Independent',
         'Programming Language :: Python :: 3',
-        'Programming Language :: Python :: 3.6',
-        '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',
+        'Programming Language :: Python :: 3.12',
+        'Programming Language :: Python :: 3.13',
+        'Programming Language :: Python :: 3.14',
         'Topic :: Software Development :: Libraries :: Python Modules',
     ],
 )