diff --git a/Dockerfile b/Dockerfile
index b852827..3fc3a83 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -25,7 +25,7 @@ RUN apk update && apk add --no-cache\
 
 # Adding DokuWiki
 RUN rm -rf /var/www/* \
-    && wget -O /var/www/DokuWiki.tar.gz https://github.com/splitbrain/dokuwiki/archive/release_stable_2018-04-22b.tar.gz \
+    && wget -O /var/www/DokuWiki.tar.gz https://github.com/splitbrain/dokuwiki/archive/release_$RELEASE_VERSION.tar.gz \
     && tar -xvzf /var/www/DokuWiki.tar.gz -C /var/www/ \
     && rm /var/www/DokuWiki.tar.gz \
     && DIRECTORY=$(ls /var/www) \