diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 96ffbc4..3264ff3 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -77,7 +77,7 @@ jobs:
       - name: Set up Node.js for proof observatory checks
         uses: actions/setup-node@v4
         with:
-          node-version: "20"
+          node-version: "22"
           cache: npm
           cache-dependency-path: deploy/cloudflare-worker/package-lock.json