diff --git a/Dockerfile b/Dockerfile
index 4be13a4..cd77a23 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-ARG WP_VERSION=5.5.1
+ARG WP_VERSION=5.5.3
 FROM wordpress:${WP_VERSION}-php7.4-fpm-alpine AS wordpress-builder
 
 USER root