diff --git a/.github/workflows/cache.yml b/.github/workflows/cache.yml
index db6484d6..d5e21df6 100644
--- a/.github/workflows/cache.yml
+++ b/.github/workflows/cache.yml
@@ -40,13 +40,13 @@ jobs:
         run: |
           jb build lectures --path-output ./ -W --keep-going
       - name: Upload Execution Reports (HTML)
-        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
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b5754a6c..48069288 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@v4
+        uses: actions/upload-artifact@v5
         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@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 114f292e..e3b5f561 100644
--- a/.github/workflows/collab.yml
+++ b/.github/workflows/collab.yml
@@ -37,7 +37,7 @@ 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/publish.yml b/.github/workflows/publish.yml
index 2a5e2ae7..07210b56 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -89,7 +89,7 @@ jobs:
           publish_dir: _build/html/
           cname: intro.quantecon.org
       - name: Upload "_build" folder (cache)
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           name: build-publish
           path: _build