diff --git a/Dockerfile b/Dockerfile
index 7f278f7..970aedb 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -4,7 +4,7 @@ ADD composer.* ./
 ADD src/ src
 
 RUN composer global require hirak/prestissimo --no-plugins --no-scripts
-RUN composer install --optimize-autoloader --prefer-dist --no-progress --no-interaction --ignore-platform-reqs
+RUN composer install --no-dev --optimize-autoloader --prefer-dist --no-progress --no-interaction --ignore-platform-reqs --no-plugins
 
 FROM php:7.2.34-cli-alpine3.12 AS phuml
 MAINTAINER Luis Montealegre <montealegreluis@gmail.com>
diff --git a/README.md b/README.md
index f79a733..832dd5c 100644
--- a/README.md
+++ b/README.md
@@ -16,10 +16,10 @@ It creates a class diagram from an Object-Oriented codebase based on the UML spe
 The official phUML Docker image can be found on [Docker Hub](https://hub.docker.com/r/montealegreluis/phuml/).
 
 ```bash
-docker pull montealegreluis/phuml:2.0.0
+docker pull montealegreluis/phuml:3.0.0
 ```
 
-You can replace `2.0.0` with any of the available [tags](https://hub.docker.com/r/montealegreluis/phuml/tags?page=1&ordering=last_updated)
+You can replace `3.0.0` with any of the available [tags](https://hub.docker.com/r/montealegreluis/phuml/tags?page=1&ordering=last_updated)
 
 ### Composer
 
diff --git a/docs/installation.md b/docs/installation.md
index a88f26c..f95b1ab 100644
--- a/docs/installation.md
+++ b/docs/installation.md
@@ -5,10 +5,10 @@
 The official phUML Docker image can be found on [Docker Hub](https://hub.docker.com/r/montealegreluis/phuml/).
 
 ```bash
-docker pull montealegreluis/phuml:2.0.0
+docker pull montealegreluis/phuml:3.0.0
 ```
 
-You can replace `2.0.0` with any of th available [tags](https://hub.docker.com/r/montealegreluis/phuml/tags?page=1&ordering=last_updated)
+You can replace `3.0.0` with any of th available [tags](https://hub.docker.com/r/montealegreluis/phuml/tags?page=1&ordering=last_updated)
 
 ## Composer