diff --git a/containers/prometheus/Dockerfile b/containers/prometheus/Dockerfile
index 973ceb6..90be789 100644
--- a/containers/prometheus/Dockerfile
+++ b/containers/prometheus/Dockerfile
@@ -1,7 +1,7 @@
 # Prometheus monitoring system
 # Three-stage build: Web UI (Node), binaries (Go), runtime (Alpine)
 
-ARG CONTAINER_APP_VERSION=v3.9.1
+ARG CONTAINER_APP_VERSION=v3.10.0
 ARG PROMETHEUS_VERSION=${CONTAINER_APP_VERSION}
 
 FROM node:22-alpine AS ui-build
diff --git a/docs/changelog.d/upgrade-prometheus-3.10.0.infra.md b/docs/changelog.d/upgrade-prometheus-3.10.0.infra.md
new file mode 100644
index 0000000..a473ace
--- /dev/null
+++ b/docs/changelog.d/upgrade-prometheus-3.10.0.infra.md
@@ -0,0 +1 @@
+Upgrade Prometheus from v3.9.1 to v3.10.0 (distroless variants, PromQL fill operators, performance improvements)