diff --git a/phases/p3/closer/requirements.txt b/phases/p3/closer/requirements.txt
index e557e7f..b5411cd 100644
--- a/phases/p3/closer/requirements.txt
+++ b/phases/p3/closer/requirements.txt
@@ -1,6 +1,6 @@
 # Web framework
 fastapi>=0.115.0
-uvicorn[standard]>=0.34.0
+uvicorn[standard]>=0.51.0
 
 # Validation & config
 pydantic>=2.10.0