diff --git a/observability/dev/docker-compose.yaml b/observability/dev/docker-compose.yaml
index 3c21c5d4..33c42b50 100644
--- a/observability/dev/docker-compose.yaml
+++ b/observability/dev/docker-compose.yaml
@@ -2,7 +2,7 @@
 # simulator's data behind them. Start with `make observability-up`.
 services:
   prometheus:
-    image: prom/prometheus:v3.15.0
+    image: prom/prometheus:v3.15.1
     command:
       - --config.file=/etc/prometheus/prometheus.yml
       - --web.enable-lifecycle