diff --git a/.github/workflows/cache.yml b/.github/workflows/cache.yml
index 25d6b24..dfb5a7d 100644
--- a/.github/workflows/cache.yml
+++ b/.github/workflows/cache.yml
@@ -34,14 +34,14 @@ jobs:
           extra-args: '-W --keep-going'
       
       - name: Upload Execution Reports (HTML)
-        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 4806928..4c735ce 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -52,7 +52,7 @@ jobs:
           mkdir -p _build/html/_pdf
           cp -u _build/latex/*.pdf _build/html/_pdf
       - name: Upload Execution Reports (LaTeX)
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         if: failure()
         with:
           name: execution-reports
@@ -72,7 +72,7 @@ jobs:
           rm -r _build/.doctrees
           jb build lectures --path-output ./ -nW --keep-going
       - name: Upload Execution Reports (HTML)
-        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 62ed329..83aba26 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -114,7 +114,7 @@ jobs:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           publish_dir: _build/html/
       - name: Upload "_build" folder (cache)
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: build-publish
           path: _build