diff --git a/nginx-php/Dockerfile.7.3 b/nginx-php/Dockerfile.7.3
index 46d4778..cbf0779 100644
--- a/nginx-php/Dockerfile.7.3
+++ b/nginx-php/Dockerfile.7.3
@@ -3,7 +3,7 @@ FROM alpine:3.11
 ARG BUILD_CORES
 
 ARG NGINX_VER=1.18.0
-ARG PHP_VER=7.3.17
+ARG PHP_VER=7.3.18
 ARG LIBICONV_VERSION=1.16
 
 LABEL description="nginx + php image based on Alpine" \