diff --git a/.github/workflows/coverage.yml b/.github/workflows/coverage.yml
index a4186336..0fc55214 100644
--- a/.github/workflows/coverage.yml
+++ b/.github/workflows/coverage.yml
@@ -11,9 +11,9 @@ jobs:
   codecov:
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with: { submodules: recursive, fetch-depth: 0 }
-      - uses: prefix-dev/setup-pixi@v0.9.1
+      - uses: prefix-dev/setup-pixi@v0.9.3
         with: { pixi-version: v0.42.1 }
       - name: make check
         run: |
diff --git a/.github/workflows/dev.yml b/.github/workflows/dev.yml
index f38ade28..7153b3ee 100644
--- a/.github/workflows/dev.yml
+++ b/.github/workflows/dev.yml
@@ -14,9 +14,9 @@ jobs:
       matrix:
         on: ["ubuntu-24.04", "macos-13"]
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
       with: { submodules: recursive }
-    - uses: prefix-dev/setup-pixi@v0.9.1
+    - uses: prefix-dev/setup-pixi@v0.9.3
       with: { pixi-version: v0.42.1 }
     - run: pixi run build
     - run: pixi run compile-commands
diff --git a/.github/workflows/doc.yml b/.github/workflows/doc.yml
index f631d2bb..3eb77d70 100644
--- a/.github/workflows/doc.yml
+++ b/.github/workflows/doc.yml
@@ -11,16 +11,16 @@ jobs:
   build-manual:
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with: { submodules: recursive }
-      - uses: prefix-dev/setup-pixi@v0.9.1
+      - uses: prefix-dev/setup-pixi@v0.9.3
         with: { pixi-version: v0.42.1 }
       - run: |
           pixi run -e dev build-doc
           touch doc/manual/generated/html/.nojekyll
       - name: detect broken links
         run: pixi run -e dev test-doc-linkchecker
-      - uses: JamesIves/github-pages-deploy-action@v4.7.3
+      - uses: JamesIves/github-pages-deploy-action@v4.7.4
         with:
           branch: gh-pages
           folder: doc/manual/generated/html
diff --git a/.github/workflows/integration.yml b/.github/workflows/integration.yml
index 43935baa..c9e0d933 100644
--- a/.github/workflows/integration.yml
+++ b/.github/workflows/integration.yml
@@ -11,8 +11,8 @@ jobs:
   test-normaliz:
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with: { submodules: recursive }
-      - uses: prefix-dev/setup-pixi@v0.9.1
+      - uses: prefix-dev/setup-pixi@v0.9.3
         with: { pixi-version: v0.42.1 }
       - run: pixi run -e libeantic-normaliz-integration check-normaliz
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 25bb1cb3..88641717 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -14,8 +14,8 @@ jobs:
       matrix:
         task: ["codespell", "compiler-warnings-clang", "compiler-warnings-gcc"]
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with: { submodules: recursive }
-      - uses: prefix-dev/setup-pixi@v0.9.1
+      - uses: prefix-dev/setup-pixi@v0.9.3
         with: { pixi-version: v0.42.1 }
       - run: pixi run -e dev ${{ matrix.task }}
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index c5075683..639d3f14 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -57,9 +57,9 @@ jobs:
         - { task: "distcheck", environment: "dev", on: "ubuntu-24.04" }
         - { task: "distcheck", environment: "dev", on: "macos-13" }
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with: { submodules: recursive }
-      - uses: prefix-dev/setup-pixi@v0.9.1
+      - uses: prefix-dev/setup-pixi@v0.9.3
         with: { pixi-version: v0.42.1 }
       - name: install valgrind dependencies
         run: |