diff --git a/CHANGELOG b/CHANGELOG
index b7785f3..b47e4d6 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -357,3 +357,17 @@
 * Fix moderator rights inconsistencies (ClearlyClaire)
 * Fix crash when encountering invalid URL (ClearlyClaire)
 * Fix cached posts including stale stats (ClearlyClaire)
+
+[1.11.11]
+* Update Mastodon to 4.1.9
+* [Full changelog](https://github.com/mastodon/mastodon/releases/tag/v4.1.9)
+* Fix post translation erroring out (ClearlyClaire)
+* Fix post edits not being forwarded as expected (ClearlyClaire)
+* Fix moderator rights inconsistencies (ClearlyClaire)
+* Fix crash when encountering invalid URL (ClearlyClaire)
+* Fix cached posts including stale stats (ClearlyClaire)
+* Fix uploading of video files for which ffprobe reports 0/0 average framerate (NicolaiSoeborg)
+* Fix unexpected audio stream transcoding when uploaded video is eligible to passthrough (yufushiro)
+* Fix missing HTML sanitization in translation API (CVE-2023-42452, GHSA-2693-xr3m-jhqr)
+* Fix incorrect domain name normalization (CVE-2023-42451, GHSA-v3xf-c9qf-j667)
+
diff --git a/CloudronManifest.json b/CloudronManifest.json
index cc72e52..b80f78f 100644
--- a/CloudronManifest.json
+++ b/CloudronManifest.json
@@ -5,8 +5,8 @@
   "description": "file://DESCRIPTION.md",
   "changelog": "file://CHANGELOG",
   "tagline": "Federated social network",
-  "version": "1.11.10",
-  "upstreamVersion": "4.1.8",
+  "version": "1.11.11",
+  "upstreamVersion": "4.1.9",
   "healthCheckPath": "/about",
   "httpPort": 8000,
   "memoryLimit": 1610612736,
diff --git a/Dockerfile b/Dockerfile
index 48949de..56a50d6 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -34,7 +34,7 @@ RUN gem install --no-document bundler
 ENV RAILS_ENV production
 ENV NODE_ENV production
 
-ARG VERSION=4.1.8
+ARG VERSION=4.1.9
 
 RUN curl -L https://github.com/tootsuite/mastodon/archive/v${VERSION}.tar.gz | tar -xz --strip-components 1 -f - && \
     bundle config --local set deployment 'true' && \