diff --git a/vars/main.yml b/vars/main.yml
index db6d343..0f23060 100644
--- a/vars/main.yml
+++ b/vars/main.yml
@@ -23,6 +23,7 @@ redmine_pkg_dependencies:
   - libmagickwand-dev
   - libmagickcore-dev
   - imagemagick
+  - ghostscript
 
 redmine_ppa_packages:
   - ruby{{ ruby_ppa_version }}