diff --git a/src/seclab_taskflow_agent/banner.py b/src/seclab_taskflow_agent/banner.py
index c5f4b93..db48cbb 100644
--- a/src/seclab_taskflow_agent/banner.py
+++ b/src/seclab_taskflow_agent/banner.py
@@ -3,6 +3,7 @@
 
 """ASCII banner displayed at agent startup."""
 
+from .__about__ import __version__
 from .capi import get_AI_endpoint
 
 __all__ = ["get_banner"]
@@ -35,7 +36,7 @@ def get_banner() -> str:
     ║                    ███████╗██║  ██║██████╔╝                      ║
     ║                    ╚══════╝╚═╝  ╚═╝╚═════╝                       ║
     ║                                                                  ║
-    ║                        TASKFLOW AGENT                            ║
+    ║                     TASKFLOW AGENT v{__version__:<29}║
     ║                                                                  ║
     ╠══════════════════════════════════════════════════════════════════╣
     ║ Default AI API Endpoint: {api_endpoint:<40}║
diff --git a/tests/test_cli.py b/tests/test_cli.py
index 6094843..255c2e9 100644
--- a/tests/test_cli.py
+++ b/tests/test_cli.py
@@ -11,6 +11,21 @@
 from seclab_taskflow_agent.cli import _parse_global
 
 
+class TestBanner:
+    """Tests for startup banner rendering."""
+
+    def test_banner_includes_version(self, monkeypatch):
+        from seclab_taskflow_agent.__about__ import __version__
+        from seclab_taskflow_agent.banner import get_banner
+
+        monkeypatch.setattr("seclab_taskflow_agent.banner.get_AI_endpoint", lambda: "https://example.test")
+
+        banner = get_banner()
+
+        assert f"v{__version__}" in banner
+        assert "Default AI API Endpoint: https://example.test" in banner
+
+
 class TestParseGlobal:
     """Tests for _parse_global KEY=VALUE parsing."""