diff --git a/crates/stock_manager/src/actions/product.rs b/crates/stock_manager/src/actions/product.rs
index 0a1e84d..07ad997 100644
--- a/crates/stock_manager/src/actions/product.rs
+++ b/crates/stock_manager/src/actions/product.rs
@@ -111,7 +111,7 @@ pub async fn update_product(
 ) -> update_product::Output {
     let mut t = begin_t!(db, Error::InternalServerError);
 
-    let res = inner_update_product(input, &mut t, Some(_config)).await;
+    let res = inner_update_product(input, &mut t).await;
 
     match res {
         Ok(res) => {
@@ -138,7 +138,6 @@ pub async fn update_product(
 async fn inner_update_product(
     input: update_product::Input,
     t: &mut PgT<'_>,
-    _config: Option<SharedAppConfig>,
 ) -> update_product::Output {
     let dbm = crate::db::UpdateProduct {
         id: input.id,
@@ -176,6 +175,31 @@ mod tests {
 
     impl UpdateConfig for NoOpts {}
 
+    async fn test_product_with_variant(t: &mut PgT<'_>) -> DetailedProduct {
+        inner_create_product(
+            create_product::Input {
+                product: create_product::ProductInput {
+                    name: ProductName::new(format!("{}", uuid::Uuid::new_v4())),
+                    variant_name: Some(ProductVariantName::new("variant")),
+                    short_description: ProductShortDesc::new("desc"),
+                    long_description: ProductLongDesc::new("long description"),
+                    category: None,
+                    price: Default::default(),
+                    deliver_days_flag: Days(vec![]),
+                },
+                stock: create_product::StockInput {
+                    quantity: Default::default(),
+                    quantity_unit: QuantityUnit::Gram,
+                },
+            },
+            t,
+            None,
+        )
+        .await
+        .unwrap()
+        .product
+    }
+
     #[tokio::test]
     async fn create_product() {
         testx::db_t_ref!(t);
@@ -205,4 +229,29 @@ mod tests {
 
         res.unwrap();
     }
+
+    #[tokio::test]
+    async fn update_product() {
+        testx::db_t_ref!(t);
+
+        let product = test_product_with_variant(&mut t).await;
+
+        let new_name = ProductName::new(format!("{}", uuid::Uuid::new_v4()));
+        let res = inner_update_product(
+            update_product::Input {
+                id: product.id,
+                name: new_name.clone(),
+                category: None,
+                deliver_days_flag: Days(vec![]),
+            },
+            &mut t,
+        )
+        .await;
+
+        testx::db_rollback!(t);
+
+        let new_product = res.unwrap().product;
+        assert_eq!(new_product.id, product.id);
+        assert_eq!(new_product.name, new_name);
+    }
 }