diff --git a/.github/workflows/aspnetcore-sync.yml b/.github/workflows/aspnetcore-sync.yml
index dac2581735cfe9..bacf58040776eb 100644
--- a/.github/workflows/aspnetcore-sync.yml
+++ b/.github/workflows/aspnetcore-sync.yml
@@ -42,7 +42,7 @@ jobs:
         mkdir ..\artifacts
         git status > ..\artifacts\status.txt
         git diff > ..\artifacts\diff.txt
-    - uses: actions/upload-artifact@v4
+    - uses: actions/upload-artifact@v6
       with:
         name: results
         path: artifacts
diff --git a/.github/workflows/copilot-setup-steps.yml b/.github/workflows/copilot-setup-steps.yml
index 647c8af540dfce..e09e95e83046d0 100644
--- a/.github/workflows/copilot-setup-steps.yml
+++ b/.github/workflows/copilot-setup-steps.yml
@@ -7,7 +7,7 @@ jobs:
   # The job MUST be called `copilot-setup-steps` or it will not be picked up by Copilot.
   # See https://docs.github.com/en/copilot/customizing-copilot/customizing-the-development-environment-for-copilot-coding-agent
   copilot-setup-steps:
-    runs-on: 8-core-ubuntu-latest
+    runs-on: ubuntu-latest
 
     permissions:
       contents: read
diff --git a/.github/workflows/jit-format.yml b/.github/workflows/jit-format.yml
index b396b7925e4856..e26c98012e55b2 100644
--- a/.github/workflows/jit-format.yml
+++ b/.github/workflows/jit-format.yml
@@ -46,7 +46,7 @@ jobs:
           ROOTFS_DIR: ${{ matrix.os.rootfs }}
       
       - name: Publish format.patch
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           path: runtime/format.patch
           name: format.${{matrix.os.name}}.patch