diff --git a/docker-compose.yml b/docker-compose.yml
index a984bdf..57dfc3e 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:v2.55.1@sha256:2659f4c2ebb718e7695cb9b25ffa7d6be64db013daba13e05c875451cf51b0d3
     volumes:
       - ./prometheus/:/etc/prometheus/
     command: