diff --git a/Docker/lofar-ci/Dockerfile_ci_lta b/Docker/lofar-ci/Dockerfile_ci_lta
index 1efc46400bf6d0a6c722c088bda7a8a687353047..c4a9614d4879a16e8cadbe21e45904019e57ef73 100644
--- a/Docker/lofar-ci/Dockerfile_ci_lta
+++ b/Docker/lofar-ci/Dockerfile_ci_lta
@@ -7,4 +7,4 @@ FROM ci_base:latest
 
 RUN echo "Installing packages for LTA..." && \
     yum -y install postgresql-devel && \
-    pip3 install kombu requests pysimplesoap mysql-connector psycopg2 flask
+    pip3 install kombu requests pysimplesoap mysql-connector psycopg2 flask lxml