diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index de3df96..a675435 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -9,47 +9,55 @@ jobs:
     strategy:
       matrix:
         target: [x86_64, aarch64]
+        manylinux: [auto]
+        include:
+          - target: x86_64
+            manylinux: musllinux_1_1
+          - target: aarch64
+            manylinux: musllinux_1_1
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
-    - uses: messense/maturin-action@v1
+    - uses: actions/checkout@v4
+    - uses: PyO3/maturin-action@v1
       with:
-        manylinux: auto
+        manylinux: ${{ matrix.manylinux }}
         command: build
         target: ${{ matrix.target }}
-        args: --release --sdist -o dist --find-interpreter
+        # https://github.com/PyO3/maturin-action/issues/56
+        args: --release --sdist -o dist --interpreter 3.9 3.10 3.11 3.12 pypy3.9 pypy3.10
     - name: Upload wheels
-      uses: actions/upload-artifact@v2
+      uses: actions/upload-artifact@v4
       with:
-        name: wheels
+        name: wheels_${{ matrix.target }}_${{ matrix.manylinux }}
         path: dist
 
   windows:
     runs-on: windows-latest
     steps:
-    - uses: actions/checkout@v3
-    - uses: messense/maturin-action@v1
+    - uses: actions/checkout@v4
+    - uses: PyO3/maturin-action@v1
       with:
         command: build
         args: --release -o dist --find-interpreter
     - name: Upload wheels
-      uses: actions/upload-artifact@v2
+      uses: actions/upload-artifact@v4
       with:
-        name: wheels
+        name: wheels_windows
         path: dist
 
   macos:
     runs-on: macos-latest
     steps:
-    - uses: actions/checkout@v3
-    - uses: messense/maturin-action@v1
+    - uses: actions/checkout@v4
+    - uses: PyO3/maturin-action@v1
       with:
         command: build
-        args: --release -o dist --universal2 --find-interpreter
+        target: universal2
+        args: --release -o dist --find-interpreter
     - name: Upload wheels
-      uses: actions/upload-artifact@v2
+      uses: actions/upload-artifact@v4
       with:
-        name: wheels
+        name: wheels_macos
         path: dist
 
   release:
@@ -58,11 +66,13 @@ jobs:
     if: "startsWith(github.ref, 'refs/tags/')"
     needs: [ macos, windows, linux ]
     steps:
-      - uses: actions/download-artifact@v2
+      - uses: actions/download-artifact@v4.1.7
         with:
-          name: wheels
+          pattern: wheels_*
+          merge-multiple: true
+          path: dist
       - name: Publish to PyPI
-        uses: messense/maturin-action@v1
+        uses: PyO3/maturin-action@v1
         env:
           MATURIN_PYPI_TOKEN: ${{ secrets.PYPI_API_TOKEN }}
         with:
diff --git a/HISTORY.md b/HISTORY.md
index 6abd8e2..50c32f4 100644
--- a/HISTORY.md
+++ b/HISTORY.md
@@ -1,5 +1,11 @@
 # Release History
 
+## 0.2.1 - 2025-01-05
+
+### Changed
+
+* Improved CI
+
 ## 0.2.0 - 2024-04-27
 
 ### Added
diff --git a/pyproject.toml b/pyproject.toml
index 94cff6f..e967f57 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,5 +1,5 @@
 [build-system]
-requires = ["maturin>=0.13,<0.14"]
+requires = ["maturin>=1.0,<2.0"]
 build-backend = "maturin"
 
 [project]
@@ -12,13 +12,19 @@ classifiers = [
     "License :: OSI Approved :: MIT License",
     "Operating System :: OS Independent"
 ]
-version = "0.2.0"
+version = "0.2.1"
 description = "Python implementation of Shin's method for calculating implied probabilities from bookmaker odds"
-author = "Maurice Berk"
-author_email = "maurice@mauriceberk.com"
-url = "https://github.com/mberk/shin"
+authors = [
+    {name = "Maurice Berk", email = "maurice@mauriceberk.com"},
+]
 readme = "README.md"
 
+[project.urls]
+Repository = "https://github.com/mberk/shin"
+
+[tool.maturin]
+python-source = "python"
+
 [tool.mypy]
 python_version = "3.9"
 packages = ["shin", "tests"]