diff --git a/DESCRIPTION b/DESCRIPTION
index 41e758dd1c9718087d5a57ad169db0e7dfd9aac2..df05afebeb1a981805a14a3ef00dd4912e055a01 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -14,7 +14,9 @@ Depends:
     R (>= 3.2.1)
 Suggests:
     testthat,
-    plyr
+    plyr,
+    lattice,
+    latticeExtra
 Imports:
     Matrix,
     assertthat