diff --git a/README.md b/README.md
index 8f298a0..39fc103 100644
--- a/README.md
+++ b/README.md
@@ -22,6 +22,13 @@ setono_sylius_order_edit:
     resource: "@SetonoSyliusOrderEditPlugin/Resources/config/routes.yaml"
 ```
 
+If you're using Sylius 1.10, import also additional product variant route:
+
+```yaml
+setono_sylius_order_edit_product_variant:
+    resource: "@SetonoSyliusOrderEditPlugin/Resources/config/routes/product_variant.yaml"
+```
+
 ### Extend the `Order` entity
 
 ```php
diff --git a/src/Resources/config/routes/product_variant.yaml b/src/Resources/config/routes/product_variant.yaml
new file mode 100644
index 0000000..a4d9048
--- /dev/null
+++ b/src/Resources/config/routes/product_variant.yaml
@@ -0,0 +1,17 @@
+# Route configured in Sylius 1.11+
+# Check out https://github.com/Sylius/Sylius/blob/1.11/src/Sylius/Bundle/AdminBundle/Resources/config/routing/ajax/product_variant.yml#L26
+sylius_admin_ajax_all_product_variants_by_phrase:
+    path: /search-all
+    methods: [GET]
+    defaults:
+        _controller: sylius.controller.product_variant::indexAction
+        _format: json
+        _sylius:
+            serialization_groups: [Autocomplete]
+            permission: true
+            repository:
+                method: findByPhrase
+                arguments:
+                    phrase: $phrase
+                    locale: expr:service('sylius.context.locale').getLocaleCode()
+                    limit: "!!int %sylius.ajax.product.variant_autocomplete_limit%"