diff --git a/Sources/ButtonBarView.swift b/Sources/ButtonBarView.swift
index a204971e..582ca8e6 100644
--- a/Sources/ButtonBarView.swift
+++ b/Sources/ButtonBarView.swift
@@ -41,6 +41,7 @@ public enum SelectedBarVerticalAlignment {
     case top
     case middle
     case bottom
+    case customBottom(spaceFromBottom: CGFloat)
 }
 
 open class ButtonBarView: UICollectionView {
@@ -178,6 +179,8 @@ open class ButtonBarView: UICollectionView {
             selectedBarFrame.origin.y = (frame.size.height - selectedBarHeight) / 2
         case .bottom:
             selectedBarFrame.origin.y = frame.size.height - selectedBarHeight
+        case .customBottom(let spaceFromBottom):
+            selectedBarFrame.origin.y = frame.size.height - selectedBarHeight - spaceFromBottom
         }
 
         selectedBarFrame.size.height = selectedBarHeight