diff --git a/core/siren-modules.el b/core/siren-modules.el
index 9214d4e..02b6731 100644
--- a/core/siren-modules.el
+++ b/core/siren-modules.el
@@ -101,6 +101,7 @@
 (require 'siren-thrift)
 (require 'siren-web-mode)
 (require 'siren-yaml)
+;; (require 'siren-slim)
 
 (provide 'siren-modules)
 ;;; siren-modules.el ends here
diff --git a/modules/siren-slim.el b/modules/siren-slim.el
new file mode 100644
index 0000000..3d19dc5
--- /dev/null
+++ b/modules/siren-slim.el
@@ -0,0 +1,21 @@
+;;; siren-slim.el --- jimeh's Emacs Siren: slim-mode configuration.
+
+;;; Commentary:
+
+;; Basic configuration for slim-mode.
+
+;;; Code:
+
+(use-package slim-mode
+  :mode "\\.slim\\'"
+
+  :config
+  (defun siren-slim-mode-defaults ()
+    (siren-prog-mode-defaults)
+    (highlight-indentation-current-column-mode))
+
+  (setq siren-slim-mode-hook 'siren-slim-mode-defaults)
+  (add-hook 'slim-mode-hook (lambda () (run-hooks 'siren-slim-mode-hook))))
+
+(provide 'siren-slim)
+;;; siren-slim.el ends here