diff --git a/Dockerfile b/Dockerfile
index 366bebc2564c2ed5ae6741e1287dd03872b14958..8887025a317234a42cfffa05908133bcb47aa8bb 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,10 +1,10 @@
-FROM registry.gitlab.com/arkindex/backend/base:django-3.1 as build
+FROM registry.gitlab.com/arkindex/backend/base:django-3.1-lxml as build
 
 RUN mkdir build
 ADD . build
 RUN cd build && python3 setup.py sdist
 
-FROM registry.gitlab.com/arkindex/backend/base:django-3.1
+FROM registry.gitlab.com/arkindex/backend/base:django-3.1-lxml
 
 ARG COMMON_BRANCH=master
 ARG COMMON_ID=9855787
diff --git a/Dockerfile.binary b/Dockerfile.binary
index e072406b890fd96d28f2cc8ad6b437c1d7c1194b..1f9fb3ef15d7dfd4afb91a6be5227a113a63c9f6 100644
--- a/Dockerfile.binary
+++ b/Dockerfile.binary
@@ -57,7 +57,7 @@ RUN python -m nuitka \
       arkindex/manage.py
 
 # Start over from a clean setup
-FROM registry.gitlab.com/arkindex/backend/base:django-3.1 as build
+FROM registry.gitlab.com/arkindex/backend/base:django-3.1-lxml as build
 
 # Import files from compilation
 RUN mkdir /usr/share/arkindex
diff --git a/base/requirements.txt b/base/requirements.txt
index fbbd84f820f8e112e7fe5f061f4cc14bd343f103..36c7c1f66063f19c30b081cb53f99b7a18b771fb 100644
--- a/base/requirements.txt
+++ b/base/requirements.txt
@@ -4,6 +4,7 @@ Django==3.1
 elasticsearch==6.2.0
 hiredis==1.0.0
 ijson==2.3
+lxml==4.2.3
 openpyxl==2.4.9
 psycopg2==2.8.5
 python-Levenshtein==0.12.0