diff --git a/CloudronManifest.json b/CloudronManifest.json
index 9d014e7..5fa2e93 100644
--- a/CloudronManifest.json
+++ b/CloudronManifest.json
@@ -6,7 +6,7 @@
   "changelog": "file://CHANGELOG",
   "tagline": "Federated social network",
   "version": "1.15.4",
-  "upstreamVersion": "4.3.9",
+  "upstreamVersion": "4.4.0",
   "healthCheckPath": "/about",
   "httpPort": 8000,
   "memoryLimit": 1610612736,
diff --git a/Dockerfile b/Dockerfile
index 4caf74d..270baad 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -68,7 +68,7 @@ RUN mkdir -p /app/code /app/pkg
 WORKDIR /app/code
 
 # renovate: datasource=github-releases depName=tootsuite/mastodon versioning=semver extractVersion=^v(?<version>.+)$
-ARG MASTODON_VERSION=4.3.9
+ARG MASTODON_VERSION=4.4.0
 
 ENV RAILS_ENV production
 ENV NODE_ENV production