diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 1e1ee22..37bac50 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -63,7 +63,7 @@ jobs:
         run: |
           task publish
       - name: Attach manifest to workflow run
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: manifest.yaml
           path: ./manifest.yaml
diff --git a/.github/workflows/release-please.yml b/.github/workflows/release-please.yml
index dc55b0e..82890ad 100644
--- a/.github/workflows/release-please.yml
+++ b/.github/workflows/release-please.yml
@@ -42,7 +42,7 @@ jobs:
           task publish
           task manifest
       - name: Attach manifest to workflow run
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: manifest.yaml
           path: ./manifest.yaml