diff --git a/server-runtime/xr_media_hub/transport/livekit/_docker.py b/server-runtime/xr_media_hub/transport/livekit/_docker.py
index 2abedf09..ebc70d84 100644
--- a/server-runtime/xr_media_hub/transport/livekit/_docker.py
+++ b/server-runtime/xr_media_hub/transport/livekit/_docker.py
@@ -61,6 +61,10 @@
 
 _CONTAINER_NAME = "xr-ai-livekit-server"
 
+# Pinned LiveKit server image so builds are reproducible instead of tracking
+# the floating ":latest" tag. Bump deliberately after validating a release.
+_LIVEKIT_IMAGE = "livekit/livekit-server:v1.13.5"
+
 
 class LiveKitDocker:
     def __init__(self, cfg: LiveKitConnectorConfig) -> None:
@@ -95,7 +99,7 @@ async def start(self) -> None:
                 "--name", _CONTAINER_NAME,
                 "--network", "host",
                 "-v", f"{cfg_path}:/etc/livekit.yaml:ro",
-                "livekit/livekit-server:latest",
+                _LIVEKIT_IMAGE,
                 "--config", "/etc/livekit.yaml",
                 stdout=asyncio.subprocess.PIPE,
                 stderr=asyncio.subprocess.STDOUT,
diff --git a/tests/test_integration_livekit.py b/tests/test_integration_livekit.py
index 957b286e..01491f57 100644
--- a/tests/test_integration_livekit.py
+++ b/tests/test_integration_livekit.py
@@ -37,7 +37,7 @@
 pytestmark = [pytest.mark.asyncio, pytest.mark.gpu]
 
 
-_LIVEKIT_IMAGE   = "livekit/livekit-server:latest"
+_LIVEKIT_IMAGE   = _docker_mod._LIVEKIT_IMAGE
 _PORT_OPEN_WAIT  = 30.0   # matches _docker._READY_TIMEOUT
 _PORT_CLOSE_WAIT = 10.0