diff --git a/DESCRIPTION b/DESCRIPTION
index f0f1669..1d1b714 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -12,6 +12,7 @@ Depends: R (>= 3.3.0)
 Imports: sp,stats,spatstat,graphics,grDevices,utils,snow,doSNOW,foreach,iterators,knitr
 Suggests:
     spelling,
+    rmarkdown,
     testthat (>= 2.1.0)
 License: GPL (>= 2)
 Encoding: UTF-8