diff --git a/pom.xml b/pom.xml
index c8eb5e8..3d9a81c 100644
--- a/pom.xml
+++ b/pom.xml
@@ -1,5 +1,6 @@
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
   xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+  
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.web.cal</groupId>
   <artifactId>webapp</artifactId>
@@ -7,11 +8,13 @@
   <version>0.2</version>
   <name>WebAppCal Maven Webapp</name>
   <url>http://maven.apache.org</url>
-     <properties>
-      <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-      <maven.compiler.source>1.8</maven.compiler.source>
-      <maven.compiler.target>1.8</maven.compiler.target>
-   </properties>
+  
+  <properties>
+    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    <maven.compiler.source>1.8</maven.compiler.source>
+    <maven.compiler.target>1.8</maven.compiler.target>
+  </properties>
+  
   <dependencies>
     <dependency>
       <groupId>junit</groupId>
@@ -19,18 +22,48 @@
       <version>4.8.2</version>
       <scope>test</scope>
     </dependency>
-    <!-- https://mvnrepository.com/artifact/javax.servlet/servlet-api -->
-<dependency>
-    <groupId>javax.servlet</groupId>
-    <artifactId>servlet-api</artifactId>
-    <version>2.5</version>
-</dependency>
-</dependencies>
-<distributionManagement>
-  <repository>
-    <id>releases</id>
-    <!-- <url>http://52.204.135.48:8081/nexus/content/repositories/releases</url> -->    
-    <url>http://binary.ibm.com/nexus/content/repositories/releases</url>
-  </repository>
-</distributionManagement>
+    
+    <!-- Servlet API dependency -->
+    <dependency>
+      <groupId>javax.servlet</groupId>
+      <artifactId>servlet-api</artifactId>
+      <version>2.5</version>
+    </dependency>
+
+    <!-- SLF4J and Logback dependencies for logging -->
+    <dependency>
+      <groupId>org.slf4j</groupId>
+      <artifactId>slf4j-api</artifactId>
+      <version>1.7.32</version>
+    </dependency>
+    <dependency>
+      <groupId>ch.qos.logback</groupId>
+      <artifactId>logback-classic</artifactId>
+      <version>1.2.6</version>
+    </dependency>
+    <dependency>
+      <groupId>ch.qos.logback</groupId>
+      <artifactId>logback-core</artifactId>
+      <version>1.2.6</version>
+    </dependency>
+
+  </dependencies>
+
+  <distributionManagement>
+    <repository>
+      <id>releases</id>
+      <url>http://binary.ibm.com/nexus/content/repositories/releases</url>
+    </repository>
+  </distributionManagement>
+
+  <build>
+    <plugins>
+      <!-- Sonar Maven Plugin (Updated to version 3.9.1 or higher for better compatibility) -->
+      <plugin>
+        <groupId>org.sonarsource.scanner.maven</groupId>
+        <artifactId>sonar-maven-plugin</artifactId>
+        <version>3.9.1</version>  <!-- Use the latest stable version -->
+      </plugin>
+    </plugins>
+  </build>
 </project>