diff --git a/pom.xml b/pom.xml
index 4e1f602..2b8c3a5 100644
--- a/pom.xml
+++ b/pom.xml
@@ -170,7 +170,7 @@
 					<plugin>
 						<groupId>org.sonarsource.scanner.maven</groupId>
 						<artifactId>sonar-maven-plugin</artifactId>
-						<version>${sonar-plugin.version}</version>
+						<version>3.9.1.2184</version>
 						<executions>
 							<execution>
 								<id>sca_with_sonar</id>
diff --git a/src/test/java/it/pagopa/swclient/mil/idpay/authcode/AuthCodeBlockDataTest.java b/src/test/java/it/pagopa/swclient/mil/idpay/authcode/AuthCodeBlockDataTest.java
index afc51ca..b1784c1 100644
--- a/src/test/java/it/pagopa/swclient/mil/idpay/authcode/AuthCodeBlockDataTest.java
+++ b/src/test/java/it/pagopa/swclient/mil/idpay/authcode/AuthCodeBlockDataTest.java
@@ -11,6 +11,7 @@
 
 /**
  * 
+ * @author Antonio Tarricone
  */
 class AuthCodeBlockDataTest {
 	/**
diff --git a/src/test/java/it/pagopa/swclient/mil/idpay/authcode/AuthCodeBlockTest.java b/src/test/java/it/pagopa/swclient/mil/idpay/authcode/AuthCodeBlockTest.java
index 6b6ff2c..9276d12 100644
--- a/src/test/java/it/pagopa/swclient/mil/idpay/authcode/AuthCodeBlockTest.java
+++ b/src/test/java/it/pagopa/swclient/mil/idpay/authcode/AuthCodeBlockTest.java
@@ -38,6 +38,7 @@
 
 /**
  * 
+ * @author Antonio Tarricone
  */
 class AuthCodeBlockTest {
 	/*
diff --git a/src/test/java/it/pagopa/swclient/mil/idpay/authcode/SecurityUtilTest.java b/src/test/java/it/pagopa/swclient/mil/idpay/authcode/SecurityUtilTest.java
index f8f5a7c..b28db82 100644
--- a/src/test/java/it/pagopa/swclient/mil/idpay/authcode/SecurityUtilTest.java
+++ b/src/test/java/it/pagopa/swclient/mil/idpay/authcode/SecurityUtilTest.java
@@ -18,9 +18,9 @@
 
 /**
  * 
+ * @author Antonio Tarricone
  */
 class SecurityUtilTest {
-
 	/**
 	 * Test method for {@link it.pagopa.swclient.mil.idpay.authcode.SecurityUtil#generateRnd()}.
 	 * 
diff --git a/src/test/java/it/pagopa/swclient/mil/idpay/authcode/UtilTest.java b/src/test/java/it/pagopa/swclient/mil/idpay/authcode/UtilTest.java
index 11204f6..59db933 100644
--- a/src/test/java/it/pagopa/swclient/mil/idpay/authcode/UtilTest.java
+++ b/src/test/java/it/pagopa/swclient/mil/idpay/authcode/UtilTest.java
@@ -16,6 +16,7 @@
 
 /**
  * 
+ * @author Antonio Tarricone
  */
 class UtilTest {
 	/**
diff --git a/src/test/java/it/pagopa/swclient/mil/idpay/authcode/ValidatorTest.java b/src/test/java/it/pagopa/swclient/mil/idpay/authcode/ValidatorTest.java
index 7d42f77..3269fc8 100644
--- a/src/test/java/it/pagopa/swclient/mil/idpay/authcode/ValidatorTest.java
+++ b/src/test/java/it/pagopa/swclient/mil/idpay/authcode/ValidatorTest.java
@@ -21,6 +21,7 @@
 
 /**
  * 
+ * @author Antonio Tarricone
  */
 class ValidatorTest {
 	/**