diff --git a/Dockerfile b/Dockerfile
index 31f1145..147f57c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,7 +3,7 @@ FROM cloudron/base:3.0.0@sha256:455c70428723e3a823198c57472785437eb6eab082e79b3f
 RUN mkdir -p /app/code/server /app/pkg
 WORKDIR /app/code/server
 
-ARG VERSION=3.3.0
+ARG VERSION=3.4.0
 
 # note: node 10 does not work. ffmpeg 4.4 does not work - https://github.com/Chocobozzz/PeerTube/releases/tag/v3.2.0 (https://github.com/Chocobozzz/PeerTube/issues/3990)