diff --git a/.github/workflows/dashboard-agent-deploy.yml b/.github/workflows/dashboard-agent-deploy.yml
index 6317fe7c61..04dd78d6fb 100644
--- a/.github/workflows/dashboard-agent-deploy.yml
+++ b/.github/workflows/dashboard-agent-deploy.yml
@@ -23,6 +23,8 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       fail-fast: false
+      # One environment at a time: parallel deploys of the same project race.
+      max-parallel: 1
       matrix:
         environment: [staging, prod]
     # Per-environment reviewer gate + source of the scoped deploy PAT.
@@ -49,7 +51,7 @@ jobs:
       - name: Setup node
         uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6.4.0
         with:
-          node-version: 20.20.2
+          node-version: 22.23.1
           cache: "pnpm"
 
       - name: Install + build the CLI and the agent's deps