diff --git a/pom.xml b/pom.xml
index c9f7f7e..263ed3a 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
     <modelVersion>4.0.0</modelVersion>
 
     <groupId>org.example</groupId>
-    <artifactId>Pracownia2020-2021</artifactId>
+    <artifactId>Pracownia2024</artifactId>
     <version>1.0-SNAPSHOT</version>
 
     <properties>
@@ -13,23 +13,6 @@
         <maven.compiler.target>17</maven.compiler.target>
     </properties>
 
-    <build>
-        <plugins>
-            <plugin>
-                <groupId>org.apache.maven.plugins</groupId>
-                <artifactId>maven-jar-plugin</artifactId>
-                <version>2.4</version>
-                <configuration>
-                    <archive>
-                        <manifest>
-                            <mainClass>introduction.HelloWorld</mainClass>>
-                        </manifest>
-                    </archive>
-                </configuration>
-            </plugin>
-        </plugins>
-    </build>
-
     <dependencies>
         <dependency>
             <groupId>log4j</groupId>
@@ -37,4 +20,46 @@
             <version>1.2.17</version>
         </dependency>
     </dependencies>
-</project>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-assembly-plugin</artifactId>
+                <version>2.6</version>
+                <configuration>
+                    <descriptorRefs>
+                        <descriptorRef>jar-with-dependencies</descriptorRef>
+                    </descriptorRefs>
+                    <archive>
+                        <manifest>
+                            <addClasspath>true</addClasspath>
+                            <mainClass>introduction.HelloWorld</mainClass>
+                        </manifest>
+                    </archive>
+                </configuration>
+                <executions>
+                    <execution>
+                        <id>assemble-all</id>
+                        <phase>package</phase>
+                        <goals>
+                            <goal>single</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
+
+            <plugin>
+                <artifactId>maven-jar-plugin</artifactId>
+                <version>2.4</version>
+                <executions>
+                    <execution>
+                        <id>default-jar</id>
+                        <phase>none</phase>
+                    </execution>
+                </executions>
+            </plugin>
+        </plugins>
+    </build>
+
+</project>
\ No newline at end of file
diff --git a/src/main/java/introduction/HelloWorld.java b/src/main/java/introduction/HelloWorld.java
index 1c85158..d204c56 100644
--- a/src/main/java/introduction/HelloWorld.java
+++ b/src/main/java/introduction/HelloWorld.java
@@ -3,10 +3,10 @@ package introduction;
 import org.apache.log4j.Logger;
 
 public class HelloWorld {
+
     static Logger log = Logger.getLogger("name");
-    public static void main(String[] args) {
-        System.out.println("Hello World!");{
-            log.info("message");
-        }
+    public static void main(String [ ] args) {
+        System.out.println("Hello! Witaj!");
+        log.info("Message");
     }
 }
\ No newline at end of file
diff --git a/target/Pracownia2024-1.0-SNAPSHOT-jar-with-dependencies.jar b/target/Pracownia2024-1.0-SNAPSHOT-jar-with-dependencies.jar
new file mode 100644
index 0000000..c7cd9ca
Binary files /dev/null and b/target/Pracownia2024-1.0-SNAPSHOT-jar-with-dependencies.jar differ
diff --git a/target/classes/introduction/HelloWorld.class b/target/classes/introduction/HelloWorld.class
new file mode 100644
index 0000000..90940f9
Binary files /dev/null and b/target/classes/introduction/HelloWorld.class differ