diff --git a/.github/workflows/codespell.yml b/.github/workflows/codespell.yml
index 0af81a55..80f29f1a 100644
--- a/.github/workflows/codespell.yml
+++ b/.github/workflows/codespell.yml
@@ -6,5 +6,5 @@ jobs:
   codespell:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - uses: codespell-project/actions-codespell@v2.2
diff --git a/.github/workflows/config-options.yml b/.github/workflows/config-options.yml
index d7a5ca28..036a18f7 100644
--- a/.github/workflows/config-options.yml
+++ b/.github/workflows/config-options.yml
@@ -37,7 +37,7 @@ jobs:
       LD_LIBRARY_PATH: "/usr/local/lib"
     steps:
       # Setup environment
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - name: Set up Python . . .
         uses: actions/setup-python@v6
         with:
diff --git a/.github/workflows/custom-branch.yml b/.github/workflows/custom-branch.yml
index de4bed07..3311fa7e 100644
--- a/.github/workflows/custom-branch.yml
+++ b/.github/workflows/custom-branch.yml
@@ -39,7 +39,7 @@ jobs:
       LD_LIBRARY_PATH: "/usr/local/lib"
     steps:
       # Setup environment
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - name: Set up Python . . .
         uses: actions/setup-python@v6
         with:
diff --git a/.github/workflows/doc.yml b/.github/workflows/doc.yml
index 11ee08c6..72cb280a 100644
--- a/.github/workflows/doc.yml
+++ b/.github/workflows/doc.yml
@@ -30,7 +30,7 @@ jobs:
       LD_LIBRARY_PATH: "/usr/local/lib"
     steps:
       # Setup environment
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - name: Set up Python . . .
         uses: actions/setup-python@v6
         with:
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 5f2a6299..ce190c66 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -30,7 +30,7 @@ jobs:
       LD_LIBRARY_PATH: "/usr/local/lib"
     steps:
       # Setup environment
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - name: Set up Python . . .
         uses: actions/setup-python@v6
         with:
@@ -78,7 +78,7 @@ jobs:
   clang-format:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - name: Run clang-format style check on src
         uses: jidicula/clang-format-action@v4.18.0
         with:
diff --git a/.github/workflows/pip.yml b/.github/workflows/pip.yml
index 28a99e1f..d00d4f55 100644
--- a/.github/workflows/pip.yml
+++ b/.github/workflows/pip.yml
@@ -31,7 +31,7 @@ jobs:
       LD_LIBRARY_PATH: "/usr/local/lib"
     steps:
       # Setup environment
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - name: "Set up Python"
         uses: actions/setup-python@v6
         with:
diff --git a/.github/workflows/test-conda.yml b/.github/workflows/test-conda.yml
index ad632b1a..643358c2 100644
--- a/.github/workflows/test-conda.yml
+++ b/.github/workflows/test-conda.yml
@@ -33,7 +33,7 @@ jobs:
       UV_NO_SYNC: "1"
     steps:
       # Setup environment
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - name: Create micromamba environment . . .
         uses: mamba-org/setup-micromamba@v3
         with:
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 65b3a4dc..98ad5cb9 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -32,7 +32,7 @@ jobs:
       LD_LIBRARY_PATH: "/usr/local/lib"
     steps:
       # Setup environment
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - name: Install uv and set the Python version
         uses: astral-sh/setup-uv@v7
         with:
diff --git a/.github/workflows/wheels.yml b/.github/workflows/wheels.yml
index 14a5c3ac..8c3e9a8c 100644
--- a/.github/workflows/wheels.yml
+++ b/.github/workflows/wheels.yml
@@ -26,13 +26,13 @@ jobs:
         os: [ubuntu-latest, ubuntu-24.04-arm, macos-15-intel, macos-latest]
 
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - name: Install uv
         uses: astral-sh/setup-uv@v7
 
       # Used to host cibuildwheel
       - name: Build wheel
-        uses: pypa/cibuildwheel@v3.4.1
+        uses: pypa/cibuildwheel@v4.1.0
         with:
           output-dir: wheelhouse
       - uses: actions/upload-artifact@v7
@@ -44,7 +44,7 @@ jobs:
     name: Make source distribution
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - name: Install uv
         uses: astral-sh/setup-uv@v7
       - name: Install libsemigroups