diff --git a/Dockerfile b/Dockerfile
index c9003b2..82f55ea 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -4,33 +4,30 @@ FROM wordpress
 # gpg keys listed at https://github.com/nodejs/node
 RUN set -ex \
   && for key in \
-    9554F04D7259F04124DE6B476D5A82AC7E37093B \
-    94AE36675C464D64BAFA68DD7434390BDBE9B9C5 \
-    0034A06D9D9B0064CE8ADF6BF1747F4AD2306D93 \
-    FD3A5288F042B6850C66B31F09FE44734EB7990E \
-    71DCFD284A79C3B38668286BC97EC7A07EDE3FC1 \
-    DD8F2338BAE7501E3DD5AC78C273792F7D83545D \
+  94AE36675C464D64BAFA68DD7434390BDBE9B9C5 \
+  B9AE9905FFD7803F25714661B63B535A4C206CA9 \
+  77984A986EBC2AA786BC0F66B01FBB92821C587A \
+  71DCFD284A79C3B38668286BC97EC7A07EDE3FC1 \
+  FD3A5288F042B6850C66B31F09FE44734EB7990E \
+  8FCCA13FEF1D0C2E91008E09770F7A9A5AE15600 \
+  C4F0DFFF4E8C1A8236409D08E73BC641CC11F4C8 \
+  DD8F2338BAE7501E3DD5AC78C273792F7D83545D \
   ; do \
-    gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key"; \
+  gpg --keyserver pool.sks-keyservers.net --recv-keys "$key"; \
   done
 
 ENV NPM_CONFIG_LOGLEVEL info
-ENV NODE_VERSION 6.0.0
+ENV NODE_VERSION 10.13.0
 
-# install nodejs, php composer and php qa tools
+# install nodejs, php composer and php sniffer
 RUN curl -SLO "https://nodejs.org/dist/v$NODE_VERSION/node-v$NODE_VERSION-linux-x64.tar.gz" \
   && curl -SLO "https://nodejs.org/dist/v$NODE_VERSION/SHASUMS256.txt.asc" \
-  && gpg --verify SHASUMS256.txt.asc \
   && grep " node-v$NODE_VERSION-linux-x64.tar.gz\$" SHASUMS256.txt.asc | sha256sum -c - \
   && tar -xzf "node-v$NODE_VERSION-linux-x64.tar.gz" -C /usr/local --strip-components=1 \
-  && rm "node-v$NODE_VERSION-linux-x64.tar.gz" SHASUMS256.txt.asc \
-  && curl -sS https://getcomposer.org/installer | php && mv composer.phar /usr/local/bin/composer \
-  && apt-get update && apt-get install -y zlib1g-dev zip git \
-  && composer global require "sebastian/phpcpd=*" \
-  && composer global require "squizlabs/php_codesniffer=*" \
-  && git clone git://github.com/WordPress-Coding-Standards/WordPress-Coding-Standards.git /usr/share/php/PHP/CodeSniffer/Standards/WordPress \
-  && composer global require "phpmd/phpmd=*" \
-  && composer global require "mayflower/php-codebrowser=*" \
-  && /root/.composer/vendor/bin/phpcs --config-set installed_paths /usr/share/php/PHP/CodeSniffer/Standards/WordPress
+  && rm "node-v$NODE_VERSION-linux-x64.tar.gz" SHASUMS256.txt.asc
 
-RUN npm install gulp -g
+RUN curl -sS https://getcomposer.org/installer | php && mv composer.phar /usr/local/bin/composer
+RUN apt-get update && apt-get install -y zlib1g-dev zip git
+RUN composer global require "squizlabs/php_codesniffer=*"
+RUN git clone git://github.com/WordPress-Coding-Standards/WordPress-Coding-Standards.git /usr/share/php/PHP/CodeSniffer/Standards/WordPress
+RUN /root/.composer/vendor/bin/phpcs --config-set installed_paths /usr/share/php/PHP/CodeSniffer/Standards/WordPress
diff --git a/Readme.md b/Readme.md
index 09721d1..3d7a4db 100644
--- a/Readme.md
+++ b/Readme.md
@@ -2,13 +2,10 @@
 
 This is the Dockerfile for WordPress development that includes the following:
 
-* WordPress
-* nodejs
-* composer
-* phpcpd
-* php_codesniffer
-* phpmd
-* php-codebrowser
-* WordPress Coding Standards
+- WordPress
+- nodejs
+- composer
+- php_codesniffer
+- WordPress Coding Standards
 
 This image can be found on [Docker Hub](https://hub.docker.com/r/hyettdotme/wordpress-node/).