diff --git a/README.md b/README.md
index d4946ba..e8a2a86 100644
--- a/README.md
+++ b/README.md
@@ -4,7 +4,7 @@ This repository contains Dockerfiles for [ficusio/openresty](https://registry.hu
 
 ### Flavors
 
-The main one is [Alpine linux](https://registry.hub.docker.com/u/alpinelinux/base/)-based `ficusio/openresty:latest`. Its virtual size is just 39MB, yet it contains a fully functional [OpenResty](http://openresty.org) bundle  v1.7.10.2 and [`apk` package manager](http://wiki.alpinelinux.org/wiki/Alpine_Linux_package_management), which allows you to easily install [lots of  pre-built packages](http://forum.alpinelinux.org/packages).
+The main one is [Alpine linux](https://registry.hub.docker.com/u/alpinelinux/base/)-based `ficusio/openresty:latest`. Its virtual size is just 35MB, yet it contains a fully functional [OpenResty](http://openresty.org) bundle  v1.9.3.1 and [`apk` package manager](http://wiki.alpinelinux.org/wiki/Alpine_Linux_package_management), which allows you to easily install [lots of  pre-built packages](http://forum.alpinelinux.org/packages).
 
 The other flavor is `ficusio/openresty:debian`. It is based on `debian:wheezy` and thus is much bigger in size (256MB). It is mostly useful for NginX profiling, as it may not be easy to build different profiling tools with [musl libc](http://www.musl-libc.org/), which is used in Alpine Linux.
 
diff --git a/alpine/Dockerfile b/alpine/Dockerfile
index 26b20ea..222d216 100644
--- a/alpine/Dockerfile
+++ b/alpine/Dockerfile
@@ -1,6 +1,6 @@
 FROM alpine:3.2
 
-ENV OPENRESTY_VERSION 1.7.10.2
+ENV OPENRESTY_VERSION 1.9.3.1
 ENV OPENRESTY_PREFIX /opt/openresty
 ENV NGINX_PREFIX /opt/openresty/nginx
 ENV VAR_PREFIX /var/nginx
diff --git a/debian/Dockerfile b/debian/Dockerfile
index c1a519e..d7df881 100644
--- a/debian/Dockerfile
+++ b/debian/Dockerfile
@@ -6,7 +6,7 @@ RUN apt-get update \
     libreadline-dev libncurses5-dev libpcre3-dev libssl-dev \
  && rm -rf /var/lib/apt/lists/*
 
-ENV OPENRESTY_VERSION 1.7.10.2
+ENV OPENRESTY_VERSION 1.9.3.1
 ENV OPENRESTY_PREFIX /opt/openresty
 ENV NGINX_PREFIX /opt/openresty/nginx
 ENV VAR_PREFIX /var/nginx