diff --git a/DESCRIPTION b/DESCRIPTION
index 8cab7b6..a9b50d8 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -25,6 +25,7 @@ Suggests:
     graticule,
     maptools,
     purrr,
+    rgdal,
     rworldmap,
     rworldxtra,
     testthat,