diff --git a/.github/workflows/ci-windows-signed.yml b/.github/workflows/ci-windows-signed.yml
index 0fcbf89..5630a62 100644
--- a/.github/workflows/ci-windows-signed.yml
+++ b/.github/workflows/ci-windows-signed.yml
@@ -191,7 +191,7 @@ jobs:
       TSA_URL: ${{ vars.CODE_SIGNING_TSA_URL != '' && vars.CODE_SIGNING_TSA_URL || 'https://timestamp.digicert.com' }}
     steps:
       - name: Download unsigned artifacts
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v6
         with:
           name: unsigned
           path: unsigned
@@ -348,7 +348,7 @@ jobs:
       TSA_URL: ${{ vars.CODE_SIGNING_TSA_URL != '' && vars.CODE_SIGNING_TSA_URL || 'https://timestamp.digicert.com' }}
     steps:
       - name: Download unsigned artifacts
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v6
         with:
           name: unsigned
           path: unsigned
diff --git a/.github/workflows/local-ci-handshake.yml b/.github/workflows/local-ci-handshake.yml
index 619b74c..18ac649 100644
--- a/.github/workflows/local-ci-handshake.yml
+++ b/.github/workflows/local-ci-handshake.yml
@@ -220,13 +220,13 @@ jobs:
           fetch-depth: 0
 
       - name: Download Ubuntu handshake artifact
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v6
         with:
           name: ${{ needs.ubuntu-handshake.outputs.artifact_name }}
           path: ubuntu-handshake
 
       - name: Download handshake pointer (control plane)
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v6
         with:
           name: handshake-pointer-${{ needs.ubuntu-handshake.outputs.stamp }}
           path: handshake