diff --git a/.github/workflows/book_stable.yml b/.github/workflows/book_stable.yml
index 18144135..17e0e15b 100644
--- a/.github/workflows/book_stable.yml
+++ b/.github/workflows/book_stable.yml
@@ -36,7 +36,7 @@ jobs:
       - name: Build the book
         run: jupyter-book build .
 
-      - uses: actions/upload-artifact@v5
+      - uses: actions/upload-artifact@v6
         if: always()
         with:
           name: webpage
diff --git a/.github/workflows/publish_docker.yml b/.github/workflows/publish_docker.yml
index c91827b8..2ae89125 100644
--- a/.github/workflows/publish_docker.yml
+++ b/.github/workflows/publish_docker.yml
@@ -71,7 +71,7 @@ jobs:
 
       - name: Upload digest
         if: github.event_name == 'push'
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: digests-${{ env.ARCH_TAG }}
           path: ${{ runner.temp }}/digests/*
diff --git a/.github/workflows/test_nightly.yml b/.github/workflows/test_nightly.yml
index 935a3fe0..8a65bcfa 100644
--- a/.github/workflows/test_nightly.yml
+++ b/.github/workflows/test_nightly.yml
@@ -83,7 +83,7 @@ jobs:
           mpirun -n 2 python3 compiler_parameters.py
           mpirun -n 2 python3 newton-solver.py
 
-      - uses: actions/upload-artifact@v5
+      - uses: actions/upload-artifact@v6
         if: always()
         with:
           name: webpage
diff --git a/.github/workflows/test_stable.yml b/.github/workflows/test_stable.yml
index 134b5226..2abb9cd0 100644
--- a/.github/workflows/test_stable.yml
+++ b/.github/workflows/test_stable.yml
@@ -78,7 +78,7 @@ jobs:
           mpirun -n 2 python3 newton-solver.py
 
       - name: Upload Navier-Stokes DFG 2D 3 plots
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: DFG2D-3
           path: chapter2/figures