diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index a9bfa00..30dca30 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -46,7 +46,8 @@ build:
             luaotfload-tool -fu && \
             tlmgr path add && \
             apt update && apt install -y inkscape lilypond python3-pygments && \
-            echo shell_escape = t >> /usr/local/texlive/2024/texmf.cnf"
+            echo shell_escape = t >> /usr/local/texlive/2024/texmf.cnf && \
+            echo 'server_tokens off;' > /etc/nginx/conf.d/security.conf"
           docker commit --change "ENTRYPOINT $IMAGE_ENTRYPOINT" temp $IMAGE_NAME:$OVERLEAF_VERSION
           docker tag $IMAGE_NAME:$OVERLEAF_VERSION $IMAGE_NAME:latest
           docker save -o $ARCHIVED_IMAGE $IMAGE_NAME:$OVERLEAF_VERSION $IMAGE_NAME:latest