diff --git a/CloudronManifest.json b/CloudronManifest.json
index f683e11..d35a7be 100644
--- a/CloudronManifest.json
+++ b/CloudronManifest.json
@@ -1,6 +1,6 @@
 {
   "version": "1.34.1",
-  "upstreamVersion": "2.55.1",
+  "upstreamVersion": "3.0.0",
   "id": "io.prometheus.cloudronapp",
   "title": "Prometheus Server",
   "author": "Prometheus Developers",
diff --git a/Dockerfile b/Dockerfile
index 360dd6a..0006ca6 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -4,7 +4,7 @@ RUN mkdir -p /app/code /app/pkg
 WORKDIR /app/code
 
 # renovate: datasource=github-releases depName=prometheus/prometheus versioning=semver extractVersion=^v(?<version>.+)$
-ARG PROMETHEUS_VERSION=2.55.1
+ARG PROMETHEUS_VERSION=3.0.0
 
 RUN curl -L https://github.com/prometheus/prometheus/releases/download/v${PROMETHEUS_VERSION}/prometheus-${PROMETHEUS_VERSION}.linux-amd64.tar.gz | tar zxvf - --strip-components 1