diff --git a/phlex/Dockerfile b/phlex/Dockerfile
index ac13f16..6750603 100644
--- a/phlex/Dockerfile
+++ b/phlex/Dockerfile
@@ -23,7 +23,7 @@ RUN \
     php7-sockets=7.2.14-r0 \
     php7-sqlite3=7.2.14-r0 \
     php7-zip=7.2.14-r0 \
-    php7-simplexml=7.2.14-r0 \
+    php7-simplexml=7.2.17-r0 \
     php7-xml=7.2.14-r0 \
   \
   && mkdir -p /opt \