diff --git a/DESCRIPTION b/DESCRIPTION
index 54c65ea..998372e 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -28,6 +28,7 @@ Imports:
     ggrepel,
     tidyr,
     dplyr,
-    ggalluvial
+    ggalluvial,
+    viridisLite
 Suggests: knitr, sf, tmap
 VignetteBuilder: knitr