diff --git a/Dockerfile b/Dockerfile
index 45b5478..ffda04c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -25,6 +25,8 @@ RUN \
       git \
       curl-dev \
       libressl-dev \
+      libxml2-dev \
+      libxslt-dev \
       libffi-dev \
       python3-dev && \
  echo "**** install runtime packages ****" && \