diff --git a/.github/workflows/dev.yml b/.github/workflows/dev.yml
index ef0402d..ee3ff8a 100644
--- a/.github/workflows/dev.yml
+++ b/.github/workflows/dev.yml
@@ -14,7 +14,7 @@ jobs:
       matrix:
         on: ["ubuntu-24.04"]
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
       with: { submodules: recursive }
     - uses: prefix-dev/setup-pixi@v0.9.3
       with: { pixi-version: v0.42.1 }
diff --git a/.github/workflows/doc.yml b/.github/workflows/doc.yml
index 9e99574..4c229cb 100644
--- a/.github/workflows/doc.yml
+++ b/.github/workflows/doc.yml
@@ -11,7 +11,7 @@ jobs:
   build-manual:
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: prefix-dev/setup-pixi@v0.9.3
         with: { pixi-version: v0.41.2 }
       - name: build documentation
@@ -22,11 +22,11 @@ jobs:
       - name: detect broken links
         run: pixi run -e dev doc-linkcheck
       - name: provide documentation as artifact for netlify workflow
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: doc
           path: doc/build/html
-      - uses: JamesIves/github-pages-deploy-action@v4.7.4
+      - uses: JamesIves/github-pages-deploy-action@v4.7.6
         with:
           branch: gh-pages
           folder: doc/build/html
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 09a8d88..18c9014 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -11,28 +11,28 @@ jobs:
   codespell:
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: prefix-dev/setup-pixi@v0.9.3
         with: { pixi-version: v0.39.0 }
       - run: pixi run codespell
   pycodestyle:
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: prefix-dev/setup-pixi@v0.9.3
         with: { pixi-version: v0.39.0 }
       - run: pixi run pycodestyle
   ruff:
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: prefix-dev/setup-pixi@v0.9.3
         with: { pixi-version: v0.39.0 }
       - run: pixi run ruff
   cython-lint:
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: prefix-dev/setup-pixi@v0.9.3
         with: { pixi-version: v0.39.0 }
       - run: pixi run cython-lint
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index dc8ef09..69b7061 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -39,7 +39,7 @@ jobs:
           - { environment: "sagemath-105-minimal", on: "ubuntu-24.04" }
           - { environment: "sagemath-105-all", on: "ubuntu-24.04" }
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with: { submodules: recursive }
       - uses: prefix-dev/setup-pixi@v0.9.3
         with: { pixi-version: v0.39.0 }