diff --git a/prosody/Dockerfile b/prosody/Dockerfile
index dc2fdfd..fe92f99 100644
--- a/prosody/Dockerfile
+++ b/prosody/Dockerfile
@@ -18,6 +18,7 @@ RUN \
     && luarocks install cyrussasl 1.1.0-1 \
     && luarocks install lua-cjson 2.1.0-1 \
     && luarocks install luajwtjitsi 1.3-7 \
+    && luarocks install net-url 0.9-1 \
     && apt-dpkg-wrap apt-get remove -t stretch-backports -y \
       git \
       gcc \