diff --git a/R-package/DESCRIPTION b/R-package/DESCRIPTION
index 253ee4832..bd46615c0 100644
--- a/R-package/DESCRIPTION
+++ b/R-package/DESCRIPTION
@@ -21,4 +21,6 @@ Depends:
     R (>= 2.10)
 Imports:
     Matrix (>= 1.1-0),
-    methods
+    methods,
+    data.table (>= 1.9),
+    magrittr (>= 1.5)
\ No newline at end of file