diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 9ac6602..82bc26b 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -28,7 +28,7 @@ jobs:
         os: [ubuntu-latest, macos-14, windows-latest]
         python-version: ["3.11", "3.12", "3.13"]
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - name: Run composite test suite
         uses: ./.github/actions/run-rust-python-tests
         with:
@@ -52,8 +52,8 @@ jobs:
           - runner: ubuntu-22.04
             target: ppc64le
     steps:
-      - uses: actions/checkout@v4
-      - uses: actions/setup-python@v5
+      - uses: actions/checkout@v6
+      - uses: actions/setup-python@v6
         with:
           python-version: 3.x
       - name: Build wheels
@@ -68,7 +68,7 @@ jobs:
           manylinux: auto
       - name: Upload wheels
         if: ${{ startsWith(github.ref, 'refs/tags/') || github.event_name == 'workflow_dispatch' }}
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: wheels-linux-${{ matrix.platform.target }}
           path: dist
@@ -88,8 +88,8 @@ jobs:
           - runner: ubuntu-22.04
             target: armv7
     steps:
-      - uses: actions/checkout@v4
-      - uses: actions/setup-python@v5
+      - uses: actions/checkout@v6
+      - uses: actions/setup-python@v6
         with:
           python-version: 3.x
       - name: Build wheels
@@ -104,7 +104,7 @@ jobs:
           manylinux: musllinux_1_2
       - name: Upload wheels
         if: ${{ startsWith(github.ref, 'refs/tags/') || github.event_name == 'workflow_dispatch' }}
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: wheels-musllinux-${{ matrix.platform.target }}
           path: dist
@@ -120,8 +120,8 @@ jobs:
           - runner: windows-latest
             target: x86
     steps:
-      - uses: actions/checkout@v4
-      - uses: actions/setup-python@v5
+      - uses: actions/checkout@v6
+      - uses: actions/setup-python@v6
         with:
           python-version: 3.x
           architecture: ${{ matrix.platform.target }}
@@ -133,7 +133,7 @@ jobs:
           sccache: ${{ !startsWith(github.ref, 'refs/tags/') }}
       - name: Upload wheels
         if: ${{ startsWith(github.ref, 'refs/tags/') || github.event_name == 'workflow_dispatch' }}
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: wheels-windows-${{ matrix.platform.target }}
           path: dist
@@ -149,8 +149,8 @@ jobs:
           - runner: macos-15
             target: aarch64
     steps:
-      - uses: actions/checkout@v4
-      - uses: actions/setup-python@v5
+      - uses: actions/checkout@v6
+      - uses: actions/setup-python@v6
         with:
           python-version: 3.x
       - name: Build wheels
@@ -161,7 +161,7 @@ jobs:
           sccache: ${{ !startsWith(github.ref, 'refs/tags/') }}
       - name: Upload wheels
         if: ${{ startsWith(github.ref, 'refs/tags/') || github.event_name == 'workflow_dispatch' }}
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: wheels-macos-${{ matrix.platform.runner }}-${{ matrix.platform.target }}
           path: dist
@@ -170,7 +170,7 @@ jobs:
     needs: [tests]
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - name: Build sdist
         uses: PyO3/maturin-action@v1
         with:
@@ -178,7 +178,7 @@ jobs:
           args: --out dist
       - name: Upload sdist
         if: ${{ startsWith(github.ref, 'refs/tags/') || github.event_name == 'workflow_dispatch' }}
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: wheels-sdist
           path: dist
@@ -196,7 +196,7 @@ jobs:
       # Used to generate artifact attestation
       attestations: write
     steps:
-      - uses: actions/download-artifact@v4
+      - uses: actions/download-artifact@v7
       - name: Generate artifact attestation
         uses: actions/attest-build-provenance@v2
         with: