diff --git a/.github/workflows/pr-close-signal.yaml b/.github/workflows/pr-close-signal.yaml
index b1303c26..47174861 100644
--- a/.github/workflows/pr-close-signal.yaml
+++ b/.github/workflows/pr-close-signal.yaml
@@ -16,7 +16,7 @@ jobs:
           mkdir -p ./pr
           printf ${{ github.event.number }} > ./pr/NUM
       - name: Upload Diff
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: pr
           path: ./pr
diff --git a/.github/workflows/pr-receive.yaml b/.github/workflows/pr-receive.yaml
index 7fbff6cd..717872ca 100644
--- a/.github/workflows/pr-receive.yaml
+++ b/.github/workflows/pr-receive.yaml
@@ -25,7 +25,7 @@ jobs:
       - name: "Upload PR number"
         id: upload
         if: ${{ always() }}
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: pr
           path: ${{ github.workspace }}/NR
@@ -107,21 +107,21 @@ jobs:
         shell: Rscript {0}
 
       - name: "Upload PR"
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: pr
           path: ${{ env.PR }}
           overwrite: true
 
       - name: "Upload Diff"
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: diff
           path: ${{ env.CHIVE }}
           retention-days: 1
 
       - name: "Upload Build"
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: built
           path: ${{ env.MD }}