diff --git a/framework/CHANGELOG.md b/framework/CHANGELOG.md
index 254b97d..cf3510f 100644
--- a/framework/CHANGELOG.md
+++ b/framework/CHANGELOG.md
@@ -26,6 +26,7 @@ Yii Framework 2 Change Log
 - Eng #10976: `Inflector::transliterate()` now uses `strtr` instead of `str_replace` (DrDeath72)
 - Bug #11040: Check parameter 'recursive' and disable recursive copying with option 'recursive' => false in method BaseFileHelper::copyDirectory (Ni-san)
 - Chg: HTMLPurifier dependency updated to `~4.6` (samdark)
+- Chg #11071: `yii\helpers\BaseArrayHelper::isIn()` and `isTraversable()` since now throw `\yii\base\InvalidParamException` instead of `\InvalidArgumentException` (nukkumatti)
 
 2.0.7 February 14, 2016
 -----------------------
diff --git a/framework/UPGRADE.md b/framework/UPGRADE.md
index 830f272..6ef7a74 100644
--- a/framework/UPGRADE.md
+++ b/framework/UPGRADE.md
@@ -19,6 +19,9 @@ ______________________
 
 * The signature of `yii\helpers\BaseArrayHelper::index()` was changed. The method has got an extra optional parameter
   `$groupBy`.
+* `yii\helpers\BaseArrayHelper` methods `isIn()` and `isSubset()` throw `\yii\base\InvalidParamException`
+  instead of `\InvalidArgumentException`. If you wrap calls of these methods in try/catch block, change expected
+  exception class.
 
 
 Upgrade from Yii 2.0.6