diff --git a/boring-nginx/Dockerfile b/boring-nginx/Dockerfile
index 5d9006d..77186c0 100644
--- a/boring-nginx/Dockerfile
+++ b/boring-nginx/Dockerfile
@@ -2,7 +2,7 @@ FROM alpine:3.10
 
 ENV UID=991 GID=991
 
-ARG NGINX_VERSION=1.17.3
+ARG NGINX_VERSION=1.17.4
 ARG GPG_NGINX="B0F4 2533 73F8 F6F5 10D4  2178 520A 9993 A1C0 52F8"
 ARG BUILD_CORES
 
diff --git a/nginx-php/Dockerfile.7.2 b/nginx-php/Dockerfile.7.2
index e169d82..66f4ff1 100644
--- a/nginx-php/Dockerfile.7.2
+++ b/nginx-php/Dockerfile.7.2
@@ -2,7 +2,7 @@ FROM alpine:3.10
 
 ARG BUILD_CORES
 
-ARG NGINX_VER=1.17.3
+ARG NGINX_VER=1.17.4
 ARG PHP_VER=7.2.22
 ARG LIBICONV_VERSION=1.16
 
diff --git a/nginx-php/Dockerfile.7.3 b/nginx-php/Dockerfile.7.3
index a5dc369..01c914f 100644
--- a/nginx-php/Dockerfile.7.3
+++ b/nginx-php/Dockerfile.7.3
@@ -2,7 +2,7 @@ FROM alpine:3.10
 
 ARG BUILD_CORES
 
-ARG NGINX_VER=1.17.3
+ARG NGINX_VER=1.17.4
 ARG PHP_VER=7.3.9
 ARG LIBICONV_VERSION=1.16