diff --git a/CHANGELOG.md b/CHANGELOG.md
index d510f03..925b06d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -305,3 +305,7 @@
 * Update Prometheus to 2.41.0
 * [Full changelog](https://github.com/prometheus/prometheus/releases/tag/v2.41.0)
 
+[1.20.0]
+* Update Prometheus to 2.42.0
+* [Full changelog](https://github.com/prometheus/prometheus/releases/tag/v2.42.0)
+
diff --git a/CloudronManifest.json b/CloudronManifest.json
index 9085615..e878010 100644
--- a/CloudronManifest.json
+++ b/CloudronManifest.json
@@ -1,6 +1,6 @@
 {
-  "version": "1.19.0",
-  "upstreamVersion": "2.41.0",
+  "version": "1.20.0",
+  "upstreamVersion": "2.42.0",
   "id": "io.prometheus.cloudronapp",
   "title": "Prometheus Server",
   "author": "Erik Tadevosyan",
diff --git a/Dockerfile b/Dockerfile
index 928c6c4..6b44269 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,7 +3,7 @@ FROM cloudron/base:4.0.0@sha256:31b195ed0662bdb06a6e8a5ddbedb6f191ce92e8bee04c03
 RUN mkdir -p /app/code /app/pkg
 WORKDIR /app/code
 
-ARG VERSION=2.41.0
+ARG VERSION=2.42.0
 
 RUN curl -L https://github.com/prometheus/prometheus/releases/download/v${VERSION}/prometheus-${VERSION}.linux-amd64.tar.gz | tar zxvf - --strip-components 1