diff --git a/.github/workflows/wheels.yml b/.github/workflows/wheels.yml
index 9c68b1c..893835b 100644
--- a/.github/workflows/wheels.yml
+++ b/.github/workflows/wheels.yml
@@ -20,7 +20,7 @@ concurrency:
   cancel-in-progress: true
 
 jobs:
-  # Build the wheels for Linux, Windows and macOS for Python 3.8 and newer
+  # Build the wheels for Linux, Windows and macOS for Python 3.9 and newer
   build_wheels:
     name: Build wheel on ${{ matrix.os }}
     runs-on: ${{ matrix.os }}
@@ -81,7 +81,7 @@ jobs:
           name: artifact
           path: dist
 
-      - uses: pypa/gh-action-pypi-publish@v1.5.0
+      - uses: pypa/gh-action-pypi-publish@release/v1
         with:
           user: __token__
           password: ${{ secrets.PYPI_API_TOKEN }}
diff --git a/pyproject.toml b/pyproject.toml
index 4ab26b5..c2017e6 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -10,7 +10,7 @@ authors = [
 description = "Code to perform raytracing for geophysical applications"
 license = {file = "01_LICENSE.txt"}
 readme = {file = "README.md", content-type = "text/markdown"}
-requires-python = ">=3.8"
+requires-python = ">=3.9"
 classifiers = [
     "Development Status :: 4 - Beta",
     "Intended Audience :: Science/Research",
@@ -19,10 +19,10 @@ classifiers = [
     "Operating System :: OS Independent",
     "Programming Language :: C++",
     "Programming Language :: Cython",
-    "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",
     "Topic :: Scientific/Engineering"
 ]
 dynamic = ["version"]