diff --git a/ci_images/bionic_builder.dockerfile b/ci_images/bionic_builder.dockerfile
index 69cf8c9..4f09f2e 100644
--- a/ci_images/bionic_builder.dockerfile
+++ b/ci_images/bionic_builder.dockerfile
@@ -18,6 +18,8 @@ RUN apt update -q \
 # Packaged dependencies
     libbz2-dev libmagic-dev uuid-dev zlib1g-dev \
     libmicrohttpd-dev aria2 libgtest-dev libgl-dev \
+# Devel package to compile python modules
+    libxml2-dev libxslt-dev python3-dev \
 # Qt packages
     qt515base qt515webengine qt515svg qt515imageformats qt515wayland \
 # To create the appimage of kiwix-desktop
@@ -42,4 +44,4 @@ ENV PATH=/opt/qt515/bin:$PATH \
 RUN groupadd --gid 121 runner
 RUN useradd --uid 1001 --gid 121 --create-home runner
 USER runner
-ENV PATH /home/runner/.local/bin:$PATH
\ No newline at end of file
+ENV PATH /home/runner/.local/bin:$PATH