diff --git a/CHANGE.md b/CHANGE.md
index 1c75c5d..36d518b 100755
--- a/CHANGE.md
+++ b/CHANGE.md
@@ -3,12 +3,13 @@ Change Log: `yii2-export`
 
 ## version 1.3.3
 
-**Date:** _under development_
+**Date:** 11-Oct-2018
 
 - (enh #269): Correct styles for BS4.
 - (enh #268): Enhance export columns visibility.
 - (enh #267): Configurable export menu form parameters.
 - (enh #266): Enhancements to export form functionality.
+- (enh #225): Enhance column selector dropdown styling.
 
 ## version 1.3.2
 
diff --git a/src/assets/css/kv-export-columns.css b/src/assets/css/kv-export-columns.css
index 54accec..4773101 100644
--- a/src/assets/css/kv-export-columns.css
+++ b/src/assets/css/kv-export-columns.css
@@ -11,6 +11,12 @@
  * For more JQuery plugins visit http://plugins.krajee.com
  * For more Yii related demos visit http://demos.krajee.com
  */
+
+.dropdown-menu.kv-checkbox-list {
+    max-height: 350px;
+    overflow: auto;
+}
+
 .kv-checkbox-list .checkbox {
     padding: 0 20px;
 }
diff --git a/src/assets/css/kv-export-columns.min.css b/src/assets/css/kv-export-columns.min.css
index d998f02..46a7a7a 100644
--- a/src/assets/css/kv-export-columns.min.css
+++ b/src/assets/css/kv-export-columns.min.css
@@ -10,4 +10,4 @@
  * Copyright: 2015, Kartik Visweswaran, Krajee.com
  * For more JQuery plugins visit http://plugins.krajee.com
  * For more Yii related demos visit http://demos.krajee.com
- */.kv-checkbox-list .checkbox{padding:0 20px}.kv-checkbox-list label{width:100%}.kv-checkbox-list label.disabled{cursor:not-allowed;filter:alpha(opacity=65);opacity:.65}.kv-toggle-all{font-style:italic;color:#337ab7}.kv-toggle-all:hover{color:#286090}
\ No newline at end of file
+ */.dropdown-menu.kv-checkbox-list{max-height:350px;overflow:auto}.kv-checkbox-list .checkbox{padding:0 20px}.kv-checkbox-list label{width:100%}.kv-checkbox-list label.disabled{cursor:not-allowed;filter:alpha(opacity=65);opacity:.65}.kv-toggle-all{font-style:italic;color:#337ab7}.kv-toggle-all:hover{color:#286090}
\ No newline at end of file