diff --git a/DESCRIPTION b/DESCRIPTION
index 32fa5ba..cacdff1 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -39,6 +39,7 @@ Imports:
 SystemRequirements: Python (>= 2.7), QGIS (>= 2.12)
 Suggests:
     knitr,
+    rgrass7,
     rmarkdown,
     testthat
 VignetteBuilder: knitr