diff --git a/CHANGELOG.md b/CHANGELOG.md
index ceec50b..406856c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -391,3 +391,9 @@
 * [ENHANCEMENT] Histograms: Refactoring and optimisations. #12352 #12584 #12596 #12711 #12054
 * [ENHANCEMENT] Histograms: Add histogram_stdvar and histogram_stddev functions. #12614
 * [ENHANCEMENT] Remote-write: add http.resend_count tracing attribute. #12676
+
+[1.26.1]
+* Update Prometheus to 2.47.1
+* [Full changelog](https://github.com/prometheus/prometheus/releases/tag/v2.47.1)
+* [BUGFIX] Fix duplicate sample detection at chunk size limit #12874
+
diff --git a/CloudronManifest.json b/CloudronManifest.json
index a77e46b..e0d9fd2 100644
--- a/CloudronManifest.json
+++ b/CloudronManifest.json
@@ -1,6 +1,6 @@
 {
-  "version": "1.26.0",
-  "upstreamVersion": "2.47.0",
+  "version": "1.26.1",
+  "upstreamVersion": "2.47.1",
   "id": "io.prometheus.cloudronapp",
   "title": "Prometheus Server",
   "author": "Prometheus Developers",
diff --git a/Dockerfile b/Dockerfile
index 3bb64f6..aac3763 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,7 +3,7 @@ FROM cloudron/base:4.2.0@sha256:46da2fffb36353ef714f97ae8e962bd2c212ca091108d768
 RUN mkdir -p /app/code /app/pkg
 WORKDIR /app/code
 
-ARG VERSION=2.47.0
+ARG VERSION=2.47.1
 
 RUN curl -L https://github.com/prometheus/prometheus/releases/download/v${VERSION}/prometheus-${VERSION}.linux-amd64.tar.gz | tar zxvf - --strip-components 1