diff --git a/phlex/Dockerfile b/phlex/Dockerfile
index ac13f16..0ae50b9 100644
--- a/phlex/Dockerfile
+++ b/phlex/Dockerfile
@@ -20,7 +20,7 @@ RUN \
     php7-openssl=7.2.14-r0 \
     php7-phar=7.2.14-r0 \
     php7-session=7.2.14-r0 \
-    php7-sockets=7.2.14-r0 \
+    php7-sockets=7.2.17-r0 \
     php7-sqlite3=7.2.14-r0 \
     php7-zip=7.2.14-r0 \
     php7-simplexml=7.2.14-r0 \