diff --git a/Dockerfile.alpine b/Dockerfile.alpine
index 6b52b74f9a..e64e4e3121 100644
--- a/Dockerfile.alpine
+++ b/Dockerfile.alpine
@@ -25,6 +25,8 @@ RUN  apk add --no-cache \
         php7-session \
         php7-dom \
         php7-xmlwriter \
+        php7-xmlreader \
+        php7-sodium \
         curl \
         wget \
         vim \