diff --git a/boring-nginx/Dockerfile b/boring-nginx/Dockerfile
index c3e742f..1721b69 100644
--- a/boring-nginx/Dockerfile
+++ b/boring-nginx/Dockerfile
@@ -2,7 +2,7 @@ FROM alpine:3.8
 
 ENV UID=991 GID=991
 
-ARG NGINX_VERSION=1.15.5
+ARG NGINX_VERSION=1.15.6
 ARG GPG_NGINX="B0F4 2533 73F8 F6F5 10D4  2178 520A 9993 A1C0 52F8"
 ARG BUILD_CORES
 
diff --git a/nginx-php/Dockerfile.7.1 b/nginx-php/Dockerfile.7.1
index 6d8a263..b6d274b 100644
--- a/nginx-php/Dockerfile.7.1
+++ b/nginx-php/Dockerfile.7.1
@@ -2,7 +2,7 @@ FROM alpine:3.8
 
 ARG BUILD_CORES
 
-ARG NGINX_VER=1.15.5
+ARG NGINX_VER=1.15.6
 ARG PHP_VER=7.1.23
 ARG LIBICONV_VERSION=1.15
 
diff --git a/nginx-php/Dockerfile.7.2 b/nginx-php/Dockerfile.7.2
index aa48396..5b1ebc4 100644
--- a/nginx-php/Dockerfile.7.2
+++ b/nginx-php/Dockerfile.7.2
@@ -2,7 +2,7 @@ FROM alpine:3.8
 
 ARG BUILD_CORES
 
-ARG NGINX_VER=1.15.5
+ARG NGINX_VER=1.15.6
 ARG PHP_VER=7.2.11
 ARG LIBICONV_VERSION=1.15