diff --git a/nginx-php/Dockerfile.7.4 b/nginx-php/Dockerfile.7.4
index c78b74f..fc0b194 100644
--- a/nginx-php/Dockerfile.7.4
+++ b/nginx-php/Dockerfile.7.4
@@ -3,7 +3,7 @@ FROM alpine:3.13
 ARG BUILD_CORES
 
 ARG NGINX_VER=1.20.1
-ARG PHP_VER=7.4.20
+ARG PHP_VER=7.4.21
 ARG LIBICONV_VERSION=1.16
 
 LABEL description="nginx + php image based on Alpine" \