diff --git a/DESCRIPTION b/DESCRIPTION
index 7ec966c..6f7b991 100755
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -13,7 +13,7 @@ Description: Offers item-response theory (IRT) ideal-point estimation for binary
 License: GPL
 Depends: 
     methods,
-    R (>= 3.4.0)
+    R (>= 3.5.0)
 Imports: 
     dplyr,
     svDialogs,