diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e534e2c..6bbf29b 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -20,7 +20,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
     - name: Check out repository
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
 
     - name: Set up Node.js
       uses: actions/setup-node@v6
@@ -41,7 +41,7 @@ jobs:
         pip install matplotlib maturin
 
     - name: Set up Rust caching
-      uses: actions/cache@v4
+      uses: actions/cache@v5
       with:
         path: |
           ~/.cargo/bin/
@@ -135,7 +135,7 @@ jobs:
             target: ppc64le
     needs: [check]
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: actions/setup-python@v6
         with:
           python-version: 3.x
@@ -147,7 +147,7 @@ jobs:
           sccache: 'true'
           manylinux: auto
       - name: Upload wheels
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: wheels-linux-${{ matrix.platform.target }}
           path: dist
@@ -167,7 +167,7 @@ jobs:
             target: armv7
     needs: [check]
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: actions/setup-python@v6
         with:
           python-version: 3.x
@@ -181,7 +181,7 @@ jobs:
           sccache: 'true'
           manylinux: musllinux_1_2
       - name: Upload wheels
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: wheels-musllinux-${{ matrix.platform.target }}
           path: dist
@@ -197,7 +197,7 @@ jobs:
             target: x86
     needs: [check]
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: actions/setup-python@v6
         with:
           python-version: 3.x
@@ -211,7 +211,7 @@ jobs:
             --no-default-features --features f64,gamut,pyffi
           sccache: 'true'
       - name: Upload wheels
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: wheels-windows-${{ matrix.platform.target }}
           path: dist
@@ -227,7 +227,7 @@ jobs:
             target: aarch64
     needs: [check]
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: actions/setup-python@v6
         with:
           python-version: 3.x
@@ -240,7 +240,7 @@ jobs:
             --no-default-features --features f64,gamut,pyffi
           sccache: 'true'
       - name: Upload wheels
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: wheels-macos-${{ matrix.platform.target }}
           path: dist
@@ -249,14 +249,14 @@ jobs:
     runs-on: ubuntu-latest
     needs: [check]
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Build sdist
         uses: PyO3/maturin-action@v1
         with:
           command: sdist
           args: --out dist
       - name: Upload sdist
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: wheels-sdist
           path: dist
@@ -271,7 +271,7 @@ jobs:
     permissions:
       id-token: write
     steps:
-      - uses: actions/download-artifact@v6
+      - uses: actions/download-artifact@v7
       - name: Publish to PyPI
         uses: PyO3/maturin-action@v1
         with:
diff --git a/.github/workflows/gh-pages.yml b/.github/workflows/gh-pages.yml
index 11120dc..da136f6 100644
--- a/.github/workflows/gh-pages.yml
+++ b/.github/workflows/gh-pages.yml
@@ -28,7 +28,7 @@ jobs:
     env:
       MDBOOK_VERSION: '0.4.40'
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
 
     - name: Set up Python 3.12
       uses: actions/setup-python@v6