diff --git a/Dockerfile b/Dockerfile
index ef09a52..e178aa4 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=2023-04-04
-ARG DOKUWIKI_CSUM=a112952394f3d4b76efb9dc2f985f99f
+ENV DOKUWIKI_VERSION=2023-04-04a
+ARG DOKUWIKI_CSUM=8a68393e689bf6d1130bfe660a19fc6b
 ARG DOKUWIKI_DEBIAN_PACKAGES=""
 
 # Update & install packages & cleanup afterwards