diff --git a/changes.md b/changes.md
index efc454e7076..d1579153a2e 100644
--- a/changes.md
+++ b/changes.md
@@ -13,6 +13,7 @@
 <summary>Required Property(s)</summary>
 
 - :warning: changed property `triggerPattern` of type `CartDiscountPatternTarget` to be required
+- changed property `images` of type `ProductTailoringSetExternalImagesAction` to be optional
 </details>
 
 
diff --git a/lib/commercetools-api/src/Models/ProductTailoring/ProductTailoringSetExternalImagesAction.php b/lib/commercetools-api/src/Models/ProductTailoring/ProductTailoringSetExternalImagesAction.php
index 53bad400bff..0fa4cc1e6c3 100644
--- a/lib/commercetools-api/src/Models/ProductTailoring/ProductTailoringSetExternalImagesAction.php
+++ b/lib/commercetools-api/src/Models/ProductTailoring/ProductTailoringSetExternalImagesAction.php
@@ -36,7 +36,9 @@ public function getVariantId();
     public function getSku();
 
     /**
-     * <p>Value to set to <code>images</code>.</p>
+     * <p>Images of the tailored ProductVariant.</p>
+     * <p>Don't provide this field if you want to remove all images from the tailored Product Variant.
+     * Set to <code>[]</code> (empty) if you want to hide all images of the original ProductVariant on the tailored ProductVariant.</p>
      *
 
      * @return null|ImageCollection
diff --git a/lib/commercetools-api/src/Models/ProductTailoring/ProductTailoringSetExternalImagesActionBuilder.php b/lib/commercetools-api/src/Models/ProductTailoring/ProductTailoringSetExternalImagesActionBuilder.php
index 16ddf762ac2..7ecad8d56b9 100644
--- a/lib/commercetools-api/src/Models/ProductTailoring/ProductTailoringSetExternalImagesActionBuilder.php
+++ b/lib/commercetools-api/src/Models/ProductTailoring/ProductTailoringSetExternalImagesActionBuilder.php
@@ -68,7 +68,9 @@ public function getSku()
     }
 
     /**
-     * <p>Value to set to <code>images</code>.</p>
+     * <p>Images of the tailored ProductVariant.</p>
+     * <p>Don't provide this field if you want to remove all images from the tailored Product Variant.
+     * Set to <code>[]</code> (empty) if you want to hide all images of the original ProductVariant on the tailored ProductVariant.</p>
      *
 
      * @return null|ImageCollection
diff --git a/lib/commercetools-api/src/Models/ProductTailoring/ProductTailoringSetExternalImagesActionModel.php b/lib/commercetools-api/src/Models/ProductTailoring/ProductTailoringSetExternalImagesActionModel.php
index d15046ff690..a8f3202da50 100644
--- a/lib/commercetools-api/src/Models/ProductTailoring/ProductTailoringSetExternalImagesActionModel.php
+++ b/lib/commercetools-api/src/Models/ProductTailoring/ProductTailoringSetExternalImagesActionModel.php
@@ -128,7 +128,9 @@ public function getSku()
     }
 
     /**
-     * <p>Value to set to <code>images</code>.</p>
+     * <p>Images of the tailored ProductVariant.</p>
+     * <p>Don't provide this field if you want to remove all images from the tailored Product Variant.
+     * Set to <code>[]</code> (empty) if you want to hide all images of the original ProductVariant on the tailored ProductVariant.</p>
      *
      *
      * @return null|ImageCollection
diff --git a/references.txt b/references.txt
index 2aa05f18c62..d5943574edb 100644
--- a/references.txt
+++ b/references.txt
@@ -349,3 +349,4 @@ cc1732f88ea3dc336358ff9f39cda9d5271cf7c2
 e3d5bc9cb69146c5d1dd755ed5e8cf2f54566b3a
 591d5eaefd1d56fd350895ccea401cb42f2f0ee8
 e45c96065b0f2d6cbb563b65fbed44785e8a8149
+64c89a7773b97bd6425a82d7d8cee1a9f0f3e6e2