diff --git a/.github/workflows/codespell.yml b/.github/workflows/codespell.yml
index 42f36ec9..a7d4daf9 100644
--- a/.github/workflows/codespell.yml
+++ b/.github/workflows/codespell.yml
@@ -4,5 +4,5 @@ jobs:
   codespell:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - uses: codespell-project/actions-codespell@v2.2
diff --git a/.github/workflows/config-options.yml b/.github/workflows/config-options.yml
index eb694bef..a68a3c51 100644
--- a/.github/workflows/config-options.yml
+++ b/.github/workflows/config-options.yml
@@ -35,7 +35,7 @@ jobs:
       LD_LIBRARY_PATH: "/usr/local/lib"
     steps:
       # Setup environment
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - 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 b62ca176..ac7db991 100644
--- a/.github/workflows/custom-branch.yml
+++ b/.github/workflows/custom-branch.yml
@@ -37,7 +37,7 @@ jobs:
       LD_LIBRARY_PATH: "/usr/local/lib"
     steps:
       # Setup environment
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Set up Python . . .
         uses: actions/setup-python@v6
         with:
diff --git a/.github/workflows/doc.yml b/.github/workflows/doc.yml
index 63ada131..686a45d9 100644
--- a/.github/workflows/doc.yml
+++ b/.github/workflows/doc.yml
@@ -28,7 +28,7 @@ jobs:
       LD_LIBRARY_PATH: "/usr/local/lib"
     steps:
       # Setup environment
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Set up Python . . .
         uses: actions/setup-python@v6
         with:
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 8fb75be1..339392f0 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -28,7 +28,7 @@ jobs:
       LD_LIBRARY_PATH: "/usr/local/lib"
     steps:
       # Setup environment
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Set up Python . . .
         uses: actions/setup-python@v6
         with:
diff --git a/.github/workflows/pip.yml b/.github/workflows/pip.yml
index 65d645ba..c75a219e 100644
--- a/.github/workflows/pip.yml
+++ b/.github/workflows/pip.yml
@@ -29,7 +29,7 @@ jobs:
       LD_LIBRARY_PATH: "/usr/local/lib"
     steps:
       # Setup environment
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - 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 658ea77e..1ffde90a 100644
--- a/.github/workflows/test-conda.yml
+++ b/.github/workflows/test-conda.yml
@@ -31,7 +31,7 @@ jobs:
       UV_NO_SYNC: "1"
     steps:
       # Setup environment
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Create micromamba environment . . .
         uses: mamba-org/setup-micromamba@v2
         with:
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 85c43c6f..3ef3bb3b 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -30,7 +30,7 @@ jobs:
       LD_LIBRARY_PATH: "/usr/local/lib"
     steps:
       # Setup environment
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - 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 1db7a106..6d4589ae 100644
--- a/.github/workflows/wheels.yml
+++ b/.github/workflows/wheels.yml
@@ -24,13 +24,13 @@ jobs:
         os: [ubuntu-latest, ubuntu-24.04-arm, macos-15-intel, macos-latest]
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Install uv
         uses: astral-sh/setup-uv@v7
 
       # Used to host cibuildwheel
       - name: Build wheel
-        uses: pypa/cibuildwheel@v3.2.1
+        uses: pypa/cibuildwheel@v3.3.0
         with:
           output-dir: wheelhouse
       - uses: actions/upload-artifact@v5
@@ -42,7 +42,7 @@ jobs:
     name: Make source distribution
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Install uv
         uses: astral-sh/setup-uv@v7
       - name: Install libsemigroups