diff --git a/DESCRIPTION b/DESCRIPTION
index 6221a7a8c22785e1c3f51a7121e0c791dfbf94de..866a6c421b37a1bcc490e7e7d01a38de8d569f9c 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -13,5 +13,6 @@ RoxygenNote: 7.0.2
 Suggests: 
     testthat (>= 2.1.0),
     knitr,
-    rmarkdown
+    rmarkdown,
+    fitdistrplus
 VignetteBuilder: knitr