diff --git a/CHANGELOG b/CHANGELOG
index 0de7494..04c952f 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -887,3 +887,14 @@
 * Fix purple color in suggested label colors (#18241) (#18242)
 * Bump mermaid from 8.10.1 to 8.13.8 (#18198) (#18206)
 
+[1.23.4]
+* Update Gitea to 1.15.11
+* [Full changelog](https://github.com/go-gitea/gitea/releases/tag/v1.15.11)
+* Only view milestones from current repo (#18414) (#18418)
+* Fix broken when no commits and default branch is not master (#18422) (#18424)
+* Fix commit's time (#18375) (#18409)
+* Fix restore without topic failure (#18387) (#18401)
+* Fix mermaid import in 1.15 (it uses ESModule now) (#18382)
+* Update to go/text 0.3.7 (#18336)
+* Upgrade EasyMDE to 2.16.1 (#18278) (#18279)
+
diff --git a/CloudronManifest.json b/CloudronManifest.json
index 6ddfa48..838573d 100644
--- a/CloudronManifest.json
+++ b/CloudronManifest.json
@@ -4,7 +4,7 @@
   "author": "Gitea developers",
   "description": "file://DESCRIPTION.md",
   "tagline": "A painless self-hosted Git Service",
-  "version": "1.23.3",
+  "version": "1.23.4",
   "healthCheckPath": "/explore",
   "httpPort": 3000,
   "memoryLimit": 536870912,
diff --git a/DESCRIPTION.md b/DESCRIPTION.md
index fcfdd78..21b9b39 100644
--- a/DESCRIPTION.md
+++ b/DESCRIPTION.md
@@ -1,4 +1,4 @@
-This app packages Gitea <upstream>1.15.10</upstream>
+This app packages Gitea <upstream>1.15.11</upstream>
 
 Gitea is a painless self-hosted Git service. It is similar to GitHub, Bitbucket or Gitlab.
 
diff --git a/Dockerfile b/Dockerfile
index 6644e41..0d8f200 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -16,7 +16,7 @@ RUN passwd -d git
 RUN mkdir -p /home/git/gitea
 WORKDIR /home/git
 
-ARG VERSION=1.15.10
+ARG VERSION=1.15.11
 
 RUN curl -L https://dl.gitea.io/gitea/${VERSION}/gitea-${VERSION}-linux-amd64 -o /home/git/gitea/gitea \
     && chmod +x /home/git/gitea/gitea