diff --git a/Dockerfile b/Dockerfile
index 6c69c8e..ef09a52 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -9,8 +9,8 @@ FROM ubuntu:18.04
 MAINTAINER Miroslav Prasil <miroslav@prasil.info>
 
 # Set the version you want of Twiki
-ENV DOKUWIKI_VERSION=2022-07-31a
-ARG DOKUWIKI_CSUM=4459ea99e3a4ce2b767482f505724dcc
+ENV DOKUWIKI_VERSION=2023-04-04
+ARG DOKUWIKI_CSUM=a112952394f3d4b76efb9dc2f985f99f
 ARG DOKUWIKI_DEBIAN_PACKAGES=""
 
 # Update & install packages & cleanup afterwards