diff --git a/DESCRIPTION b/DESCRIPTION
index 2c4a61b02..c8d2d32f6 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -35,6 +35,7 @@ Imports:
     vctrs (>= 0.4.1),
     withr (>= 2.3.0),
 Suggests: 
+    DiagrammeR,
     data.tree (>= 0.1.6),
     digest,
     here,
diff --git a/inst/WORDLIST b/inst/WORDLIST
index e3fa665a1..c36731a1a 100644
--- a/inst/WORDLIST
+++ b/inst/WORDLIST
@@ -34,6 +34,7 @@ dec
 dependabot
 desc
 devtools
+DiagrammeR
 dir
 dont
 dontrun