diff --git a/DESCRIPTION b/DESCRIPTION
index d6cc52d69cffce3ba11bbfa18a864c1d43160a77..ea7b74c8d4d359a4431f5b297fab8063c0bfd6fb 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -16,6 +16,7 @@ Imports:
   ggplot2,
   lubridate,
   patchwork,
+  png,
   processx,
   purrr,
   readr,