diff --git a/.github/workflows/cache.yml b/.github/workflows/cache.yml
index 826fa3ea..9c56ff73 100644
--- a/.github/workflows/cache.yml
+++ b/.github/workflows/cache.yml
@@ -33,13 +33,13 @@ jobs:
         run: |
           jb build lectures --path-output ./ -W --keep-going
       - name: Upload Execution Reports
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         if: failure()
         with:
           name: execution-reports
           path: _build/html/reports
       - name: Upload "_build" folder (cache)
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: build-cache
           path: _build
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b95b7a6e..c9a19849 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -56,13 +56,13 @@ jobs:
         run: |
           jb build lectures --path-output ./ -n -W --keep-going
       - name: Upload build folder
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         if: failure()
         with:
           name: _build
           path: _build/
       - name: Upload Execution Reports
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         if: failure()
         with:
           name: execution-reports
diff --git a/.github/workflows/collab.yml b/.github/workflows/collab.yml
index ed4323fe..c61132ee 100644
--- a/.github/workflows/collab.yml
+++ b/.github/workflows/collab.yml
@@ -39,7 +39,7 @@ jobs:
         run: |
           jb build lectures --path-output ./ -n -W --keep-going
       - name: Upload Execution Reports
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         if: failure()
         with:
           name: execution-reports
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 12de03d9..6a7c1891 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -57,7 +57,7 @@ jobs:
         run: |
           jb build lectures --path-output ./ --builder=custom --custom-builder=jupyter -n -W --keep-going
           zip -r download-notebooks.zip _build/jupyter
-      - uses: actions/upload-artifact@v5
+      - uses: actions/upload-artifact@v6
         with:
           name: download-notebooks
           path: download-notebooks.zip