diff --git a/sddi-base/Dockerfile b/sddi-base/Dockerfile
index 172a7d6..00275aa 100644
--- a/sddi-base/Dockerfile
+++ b/sddi-base/Dockerfile
@@ -115,7 +115,7 @@ RUN set -ex && \
         git+${CKANEXT_GEOVIEW_GITHUB_URL}.git@${CKANEXT_GEOVIEW_VERSION}#egg=ckanext-geoview
 
 # ckanext-theme-sddi #############################################################
-ARG CKANEXT_THEME_SDDI_VERSION="0.0.1"
+ARG CKANEXT_THEME_SDDI_VERSION="main"
 ENV CKANEXT_THEME_SDDI_VERSION=${CKANEXT_THEME_SDDI_VERSION}
 ENV CKANEXT_THEME_SDDI_GITHUB_URL="https://github.com/MarijaKnezevic/ckanext-theme-sddi"