diff --git a/.github/workflows/fuzz.yml b/.github/workflows/fuzz.yml
index 370dc56..029ff81 100644
--- a/.github/workflows/fuzz.yml
+++ b/.github/workflows/fuzz.yml
@@ -41,7 +41,7 @@ jobs:
 
       - name: Upload crash artifacts
         if: failure()
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v7
         with:
           name: fuzz-artifacts-${{ matrix.target }}
           path: crates/opentimstdf/fuzz/artifacts/
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index c96b2b9..ead2d20 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -50,7 +50,7 @@ jobs:
           target: ${{ matrix.target }}
           args: --release --out dist --find-interpreter --manifest-path crates/opentimstdf-py/Cargo.toml
           manylinux: auto
-      - uses: actions/upload-artifact@v4
+      - uses: actions/upload-artifact@v7
         with:
           name: wheels-${{ matrix.os }}-${{ matrix.target }}
           path: dist/*.whl
@@ -64,7 +64,7 @@ jobs:
         with:
           command: sdist
           args: --out dist --manifest-path crates/opentimstdf-py/Cargo.toml
-      - uses: actions/upload-artifact@v4
+      - uses: actions/upload-artifact@v7
         with:
           name: sdist
           path: dist/*.tar.gz