diff --git a/DESCRIPTION b/DESCRIPTION
index f860eae..662a849 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -13,7 +13,8 @@ Depends: R (>= 3.3.1),
     caret,
     e1071,
     udpipe,
-    parallel
+    parallel,
+    SparseM
 License: Copyright Erik de Vries
 Encoding: UTF-8
 LazyData: true