diff --git a/.github/workflows/dev.yml b/.github/workflows/dev.yml
index ee3ff8a..89c7a63 100644
--- a/.github/workflows/dev.yml
+++ b/.github/workflows/dev.yml
@@ -16,7 +16,7 @@ jobs:
     steps:
     - uses: actions/checkout@v6
       with: { submodules: recursive }
-    - uses: prefix-dev/setup-pixi@v0.9.3
+    - uses: prefix-dev/setup-pixi@v0.9.4
       with: { pixi-version: v0.42.1 }
     - run: pixi run sage -c 'import surface_dynamics'
     - run: pixi run -e dev test-doctest
diff --git a/.github/workflows/doc.yml b/.github/workflows/doc.yml
index 4c229cb..7165f9c 100644
--- a/.github/workflows/doc.yml
+++ b/.github/workflows/doc.yml
@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-24.04
     steps:
       - uses: actions/checkout@v6
-      - uses: prefix-dev/setup-pixi@v0.9.3
+      - uses: prefix-dev/setup-pixi@v0.9.4
         with: { pixi-version: v0.41.2 }
       - name: build documentation
         run: |
@@ -26,7 +26,7 @@ jobs:
         with:
           name: doc
           path: doc/build/html
-      - uses: JamesIves/github-pages-deploy-action@v4.7.6
+      - uses: JamesIves/github-pages-deploy-action@v4.8.0
         with:
           branch: gh-pages
           folder: doc/build/html
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 18c9014..b118e18 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -12,27 +12,27 @@ jobs:
     runs-on: ubuntu-24.04
     steps:
       - uses: actions/checkout@v6
-      - uses: prefix-dev/setup-pixi@v0.9.3
+      - uses: prefix-dev/setup-pixi@v0.9.4
         with: { pixi-version: v0.39.0 }
       - run: pixi run codespell
   pycodestyle:
     runs-on: ubuntu-24.04
     steps:
       - uses: actions/checkout@v6
-      - uses: prefix-dev/setup-pixi@v0.9.3
+      - uses: prefix-dev/setup-pixi@v0.9.4
         with: { pixi-version: v0.39.0 }
       - run: pixi run pycodestyle
   ruff:
     runs-on: ubuntu-24.04
     steps:
       - uses: actions/checkout@v6
-      - uses: prefix-dev/setup-pixi@v0.9.3
+      - uses: prefix-dev/setup-pixi@v0.9.4
         with: { pixi-version: v0.39.0 }
       - run: pixi run ruff
   cython-lint:
     runs-on: ubuntu-24.04
     steps:
       - uses: actions/checkout@v6
-      - uses: prefix-dev/setup-pixi@v0.9.3
+      - uses: prefix-dev/setup-pixi@v0.9.4
         with: { pixi-version: v0.39.0 }
       - run: pixi run cython-lint
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 69b7061..f1ed02d 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -41,7 +41,7 @@ jobs:
     steps:
       - uses: actions/checkout@v6
         with: { submodules: recursive }
-      - uses: prefix-dev/setup-pixi@v0.9.3
+      - uses: prefix-dev/setup-pixi@v0.9.4
         with: { pixi-version: v0.39.0 }
       - run: pixi run -e ${{ matrix.environment }} test-doctest-long
       - run: pixi run -e ${{ matrix.environment }} test-pytest