diff --git a/src/Pi4/docker-compose.yml b/src/Pi4/docker-compose.yml
index b0f2d76..492f642 100644
--- a/src/Pi4/docker-compose.yml
+++ b/src/Pi4/docker-compose.yml
@@ -75,7 +75,7 @@ services:
 
   # Monitoring Stack
   prometheus:
-    image: prom/prometheus:v3.8.0
+    image: prom/prometheus:v3.9.1
     container_name: prometheus
     restart: always
     command: