diff --git a/.gitea/workflows/build.yml b/.gitea/workflows/build.yml
index 6f72d7a..6875e3a 100644
--- a/.gitea/workflows/build.yml
+++ b/.gitea/workflows/build.yml
@@ -19,7 +19,7 @@ jobs:
       - name: build image
         run: |
           IMG=registry.a2acloud.io/agents/agent-builder
-          docker build -t "$IMG:$GITHUB_SHA" -t "$IMG:latest" .
+          docker build --pull -t "$IMG:$GITHUB_SHA" -t "$IMG:latest" .
           docker push "$IMG:$GITHUB_SHA"
           docker push "$IMG:latest"
 
diff --git a/agent.py b/agent.py
index d771487..f1252ac 100644
--- a/agent.py
+++ b/agent.py
@@ -237,5 +237,4 @@ def _find_url(value: Any) -> str | None:
         m = _URL_RE.search(value)
         return m.group(0) if m else None
     return None
-# rebuild against fresh a2a-pack-base 2026-05-16T00:30:00 (auth + progress + apt + 0.1.2)
-# rebuild 1778593200
+# rebuild against fresh a2a-pack-base 2026-05-16T20:29:04Z (a2a-pack 0.1.3)