diff --git a/Dockerfile b/Dockerfile
index a0d9069..928eff6 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -27,7 +27,7 @@ RUN bin/installDeps.sh && rm settings.json \
  && chmod +x /entrypoint.sh \
  && sed -i 's/^node/exec\ node/' bin/run.sh \
  && ln -s var/settings.json settings.json \
- && npm install ep_author_neat ep_headings2 ep_set_title_on_pad ep_adminpads ep_mypads ep_padwiki ep_comments_page ep_font_color
+ && npm install ep_author_neat ep_headings2 ep_set_title_on_pad ep_adminpads ep_mypads ep_padwiki ep_comments_page ep_font_color ep_table_of_contents
 
 # meta-données
 VOLUME /opt/etherpad-lite/var