diff --git a/docker-compose.yml b/docker-compose.yml
index a984bdf..8ec2dcc 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -8,7 +8,7 @@ volumes:
 
 services:
   prometheus:
-    image: prom/prometheus:v2.49.0
+    image: prom/prometheus:v3.15.0@sha256:efd719c99d83b060d9daefdcf00360461adf279f45ef5391f8d111892118753e
     volumes:
       - ./prometheus/:/etc/prometheus/
     command: