diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index a1bb5ff..a517dd2 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -87,7 +87,7 @@ jobs:
         run: twine check dist/*
 
       - name: Upload build artifacts
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           name: dist
           path: dist/
@@ -245,7 +245,7 @@ jobs:
           Compress-Archive -Path * -DestinationPath ../tzst-${{ steps.version.outputs.version }}-${{ matrix.os_name }}-${{ matrix.arch }}.zip
 
       - name: Upload binary artifacts
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           name: binary-${{ matrix.os_name }}-${{ matrix.arch }}
           path: tzst-${{ steps.version.outputs.version }}-${{ matrix.os_name }}-${{ matrix.arch }}.zip
diff --git a/.github/workflows/publish_docs.yml b/.github/workflows/publish_docs.yml
index 46a89fd..ca41434 100644
--- a/.github/workflows/publish_docs.yml
+++ b/.github/workflows/publish_docs.yml
@@ -56,7 +56,7 @@ jobs:
           python -m sphinx -b html . _build -W --keep-going
 
       - name: Upload documentation artifacts
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           name: documentation
           path: docs/_build/