diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 803899552..0b4096222 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -66,8 +66,8 @@ jobs:
 
     - name: Build source distribution
       run: |
-        pip install -U setuptools wheel pip
-        python setup.py sdist
+        pip install -U setuptools wheel pip build
+        python -m build --sdist
 
     - uses: actions/upload-artifact@50769540e7f4bd5e21e526ee35c689e35e0d6874  # v4.4.0
       with:
diff --git a/gel/_version.py b/gel/_version.py
index ad6c6f0e3..aaefa6df8 100644
--- a/gel/_version.py
+++ b/gel/_version.py
@@ -28,4 +28,4 @@
 # supported platforms, publish the packages on PyPI, merge the PR
 # to the target branch, create a Git tag pointing to the commit.
 
-__version__ = "3.1.0b1"
+__version__ = "3.1.0"