diff --git a/pom.xml b/pom.xml
index 2d40c3e8..8d7fb0ce 100644
--- a/pom.xml
+++ b/pom.xml
@@ -21,8 +21,9 @@
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-compiler-plugin</artifactId>
                 <configuration>
-                    <source>17</source>
-                    <target>17</target>
+                    <source>25</source>
+                    <target>25</target>
+                    <compilerArgs>--enable-preview</compilerArgs>
                 </configuration>
             </plugin>
         </plugins>
diff --git a/src/main/java/pl/edu/agh/mwo/invoice/product/Product.java b/src/main/java/pl/edu/agh/mwo/invoice/product/Product.java
index dc09e2fb..34df2c52 100644
--- a/src/main/java/pl/edu/agh/mwo/invoice/product/Product.java
+++ b/src/main/java/pl/edu/agh/mwo/invoice/product/Product.java
@@ -46,4 +46,4 @@ public BigDecimal getPriceWithTax() {
         return (BigDecimal)price.add(result);
 
     }
-}
+}
\ No newline at end of file
diff --git a/src/test/java/pl/edu/agh/mwo/invoice/InvoiceTest.java b/src/test/java/pl/edu/agh/mwo/invoice/InvoiceTest.java
index 44696ebc..5dd86c54 100644
--- a/src/test/java/pl/edu/agh/mwo/invoice/InvoiceTest.java
+++ b/src/test/java/pl/edu/agh/mwo/invoice/InvoiceTest.java
@@ -38,7 +38,7 @@ public void testEmptyInvoiceHasEmptyTotal() {
 
     @Test
     public void testInvoiceNetValueWithTwoDifferentProducts() {
-        Product onions = new TaxFreeProduct("WarzywaWazrywa", new BigDecimal("10"));
+        Product onions = new TaxFreeProduct("Warzywa", new BigDecimal("10"));
         Product apples = new TaxFreeProduct("Owoce", new BigDecimal("10"));
         invoice.addProduct(onions);
         invoice.addProduct(apples);
@@ -125,4 +125,5 @@ public void testInvoiceWithNegativeQuantity() {
     public void testAddingNullProduct() {
         invoice.addProduct(null);
     }
+
 }