diff --git a/CHANGE.md b/CHANGE.md
index ca8b89b9..962f8ded 100755
--- a/CHANGE.md
+++ b/CHANGE.md
@@ -7,6 +7,7 @@ Change Log: `yii2-grid`
 
 - (enh #948): New property `ExpandRowColumn::msgDetailLoading`.
 - (enh #947): Enhance behavior for initial rows expanded set via GridView::ROW_EXPANDED.
+- (enh #940): Set dependency on `kartik-v/yii2-bootstrap4-dropdown`.
 - (enh #934, #938): Correct ternary operator for PHP 7.4 support.
 - (enh #932): Correct Expand Row container parsing for nested expand row columns.
 - (enh #929): Enhance Expand Row Column plugin and correct expand one only.
diff --git a/composer.json b/composer.json
index 3f54d540..cc2d0d76 100755
--- a/composer.json
+++ b/composer.json
@@ -18,7 +18,8 @@
         }
     ],
     "require": {
-        "kartik-v/yii2-dialog": "~1.0"
+        "kartik-v/yii2-dialog": "~1.0",
+        "kartik-v/yii2-bootstrap4-dropdown": "~1.0"
     },
     "autoload": {
         "psr-4": {