diff --git a/.github/workflows/cache.yml b/.github/workflows/cache.yml
index 6386349..c957175 100644
--- a/.github/workflows/cache.yml
+++ b/.github/workflows/cache.yml
@@ -35,13 +35,13 @@ jobs:
         run: |
           jb build lectures --path-output ./ -W --keep-going
       - name: Upload Execution Reports
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         if: failure()
         with:
           name: execution-reports
           path: _build/html/reports
       - name: Upload "_build" folder (cache)
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           name: build-cache
           path: _build
\ No newline at end of file
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b85d3bb..cd0992f 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -49,7 +49,7 @@ jobs:
           mkdir -p _build/html/_notebooks
           cp -u _build/jupyter/*.ipynb _build/html/_notebooks
       - name: Upload Execution Reports (Download Notebooks)
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         if: failure()
         with:
           name: execution-reports
@@ -61,7 +61,7 @@ jobs:
           mkdir -p _build/html/_pdf
           cp -u _build/latex/*.pdf _build/html/_pdf
       - name: Upload Execution Reports (LaTeX)
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         if: failure()
         with:
           name: execution-reports
@@ -72,7 +72,7 @@ jobs:
         run: |
           jb build lectures --path-output ./ -n -W --keep-going
       - name: Upload Execution Reports (HTML)
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         if: failure()
         with:
           name: execution-reports
diff --git a/.github/workflows/collab.yml b/.github/workflows/collab.yml
index ae83d44..a592b86 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@v4
+        uses: actions/upload-artifact@v5
         if: failure()
         with:
           name: execution-reports
diff --git a/.github/workflows/linkcheck.yml b/.github/workflows/linkcheck.yml
index d32436a..3ba227b 100644
--- a/.github/workflows/linkcheck.yml
+++ b/.github/workflows/linkcheck.yml
@@ -37,7 +37,7 @@ jobs:
         shell: bash -l {0}
         run: jb build lectures --path-output=./ --builder=custom --custom-builder=linkcheck
       - name: Upload Link Checker Reports
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         if: failure()
         with:
           name: linkcheck-reports
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index a0b33ac..8423ffc 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -58,7 +58,7 @@ 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@v4
+      - uses: actions/upload-artifact@v5
         with:
           name: download-notebooks
           path: download-notebooks.zip