diff --git a/modules/siren-plantuml.el b/modules/siren-plantuml.el
new file mode 100644
index 0000000..863f228
--- /dev/null
+++ b/modules/siren-plantuml.el
@@ -0,0 +1,28 @@
+;;; siren-plantuml.el --- jimeh's Emacs Siren: plantuml-mode configuration.
+
+;;; Commentary:
+
+;; Basic configuration for plantuml-mode.
+
+;;; Code:
+
+(require 'siren-programming)
+
+(siren-require-packages '(plantuml-mode))
+
+(add-to-list 'auto-mode-alist '("\\.uml\\'" . plantuml-mode))
+
+(defun siren-plantuml-mode-defaults ()
+  (siren-prog-mode-defaults)
+  (setq tab-width 2)
+  (setq plantuml-jar-path "/usr/local/Cellar/plantuml/8048/plantuml.8048.jar")
+  (highlight-indentation-set-offset 2)
+  (highlight-indentation-current-column-mode))
+
+(setq siren-plantuml-mode-hook 'siren-plantuml-mode-defaults)
+
+(add-hook 'plantuml-mode-hook (lambda ()
+                               (run-hooks 'siren-plantuml-mode-hook)))
+
+(provide 'siren-plantuml)
+;;; siren-plantuml.el ends here
diff --git a/siren-modules.el b/siren-modules.el
index b521839..851c054 100644
--- a/siren-modules.el
+++ b/siren-modules.el
@@ -66,6 +66,7 @@
 (require 'siren-lua)
 (require 'siren-makefile)
 (require 'siren-markdown)
+(require 'siren-plantuml)
 (require 'siren-ruby)
 (require 'siren-sass)
 (require 'siren-scss)