diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 58fb9fed..5bdf427c 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -15,7 +15,7 @@ before_script:
            python-itsdangerous python-httpx python-jinja python-pytest-cov
            python-requests python-aiofiles python-python-multipart
            python-pytest-asyncio python-coverage python-bcrypt
-           python-email-validator openssh
+           python-email-validator openssh python-lxml
   - bash -c "echo '127.0.0.1' > /etc/hosts"
   - bash -c "echo '::1' >> /etc/hosts"
 
diff --git a/Dockerfile b/Dockerfile
index cf54a13c..c432f73f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -10,7 +10,7 @@ RUN pacman -Syu --noconfirm base-devel git gpgme protobuf pyalpm \
     python-itsdangerous python-httpx python-jinja python-pytest-cov \
     python-requests python-aiofiles python-python-multipart \
     python-pytest-asyncio python-coverage hypercorn python-bcrypt \
-    python-email-validator openssh
+    python-email-validator openssh python-lxml
 
 # Remove aurweb.sqlite3 if it was copied over via COPY.
 RUN rm -fv aurweb.sqlite3
diff --git a/INSTALL b/INSTALL
index 04ccd69e..3381daf5 100644
--- a/INSTALL
+++ b/INSTALL
@@ -51,7 +51,8 @@ read the instructions below.
                 python-bleach python-markdown python-alembic hypercorn \
                 python-itsdangerous python-authlib python-httpx \
                 python-jinja python-aiofiles python-python-multipart \
-                python-requests hypercorn python-bcrypt python-email-validator
+                python-requests hypercorn python-bcrypt python-email-validator \
+                python-lxml
     # python3 setup.py install
 
 5) Create a new MySQL database and a user and import the aurweb SQL schema: