diff --git a/Dockerfile b/Dockerfile
index eff8a2b..6c69c8e 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=2020-07-29
-ARG DOKUWIKI_CSUM=8867b6a5d71ecb5203402fe5e8fa18c9
+ENV DOKUWIKI_VERSION=2022-07-31a
+ARG DOKUWIKI_CSUM=4459ea99e3a4ce2b767482f505724dcc
 ARG DOKUWIKI_DEBIAN_PACKAGES=""
 
 # Update & install packages & cleanup afterwards