diff --git a/server.py b/server.py
index 459d9d1..cbd5053 100644
--- a/server.py
+++ b/server.py
@@ -4014,4 +4014,6 @@ async def ui_run_partial(run_id: str, request: Request):
 
 if __name__ == "__main__":
     import uvicorn
-    uvicorn.run("server:app", host="0.0.0.0", port=8100, workers=4)
+    # Note: workers disabled because cache_manager uses in-memory state
+    # that isn't shared between worker processes
+    uvicorn.run("server:app", host="0.0.0.0", port=8100)