diff --git a/retry/src/main/java/com/iluwatar/retry/App.java b/retry/src/main/java/com/iluwatar/retry/App.java
index d1712ae9a..7e65e68a4 100644
--- a/retry/src/main/java/com/iluwatar/retry/App.java
+++ b/retry/src/main/java/com/iluwatar/retry/App.java
@@ -56,7 +56,7 @@ import org.slf4j.LoggerFactory;
  * 
  * @author George Aristy (george.aristy@gmail.com)
  * @see <a href="https://docs.microsoft.com/en-us/azure/architecture/patterns/retry">Retry pattern (Microsoft Azure Docs)</a>
- * @since 1.17.0
+ * @since 1.18.0
  */
 public final class App {
   private static final Logger LOG = LoggerFactory.getLogger(App.class);
@@ -67,7 +67,7 @@ public final class App {
    * 
    * @param args not used
    * @throws Exception not expected
-   * @since 1.17.0
+   * @since 1.18.0
    */
   public static void main(String[] args) throws Exception {
     noErrors();
diff --git a/retry/src/main/java/com/iluwatar/retry/BusinessException.java b/retry/src/main/java/com/iluwatar/retry/BusinessException.java
index b25b46204..c5974e7f8 100644
--- a/retry/src/main/java/com/iluwatar/retry/BusinessException.java
+++ b/retry/src/main/java/com/iluwatar/retry/BusinessException.java
@@ -31,7 +31,7 @@ package com.iluwatar.retry;
  * be able to handle this error and should be reported to the maintainers immediately.
  *
  * @author George Aristy (george.aristy@gmail.com)
- * @since 1.17.0
+ * @since 1.18.0
  */
 public class BusinessException extends Exception {
   private static final long serialVersionUID = 6235833142062144336L;
@@ -40,7 +40,7 @@ public class BusinessException extends Exception {
    * Ctor
    * 
    * @param message the error message
-   * @since 1.17.0
+   * @since 1.18.0
    */
   public BusinessException(String message) {
     super(message);
diff --git a/retry/src/main/java/com/iluwatar/retry/BusinessOperation.java b/retry/src/main/java/com/iluwatar/retry/BusinessOperation.java
index 657bf1a97..f8047a4c2 100644
--- a/retry/src/main/java/com/iluwatar/retry/BusinessOperation.java
+++ b/retry/src/main/java/com/iluwatar/retry/BusinessOperation.java
@@ -29,7 +29,7 @@ package com.iluwatar.retry;
  *
  * @author George Aristy (george.aristy@gmail.com)
  * @param <T> the return type
- * @since 1.17.0
+ * @since 1.18.0
  */
 @FunctionalInterface
 public interface BusinessOperation<T> {
@@ -40,7 +40,7 @@ public interface BusinessOperation<T> {
    * @return the return value
    * @throws BusinessException if the operation fails. Implementations are allowed to throw more
    *     specific subtypes depending on the error conditions
-   * @since 1.17.0
+   * @since 1.18.0
    */
   T perform() throws BusinessException;
 }
diff --git a/retry/src/main/java/com/iluwatar/retry/CustomerNotFoundException.java b/retry/src/main/java/com/iluwatar/retry/CustomerNotFoundException.java
index 7b704883f..8bb43d91e 100644
--- a/retry/src/main/java/com/iluwatar/retry/CustomerNotFoundException.java
+++ b/retry/src/main/java/com/iluwatar/retry/CustomerNotFoundException.java
@@ -31,7 +31,7 @@ package com.iluwatar.retry;
  * by an input from some end user, or were the search parameters pulled from your database?
  *
  * @author George Aristy (george.aristy@gmail.com)
- * @since 1.17.0
+ * @since 1.18.0
  */
 public final class CustomerNotFoundException extends BusinessException {
   private static final long serialVersionUID = -6972888602621778664L;
@@ -40,7 +40,7 @@ public final class CustomerNotFoundException extends BusinessException {
    * Ctor.
    * 
    * @param message the error message
-   * @since 1.17.0
+   * @since 1.18.0
    */
   public CustomerNotFoundException(String message) {
     super(message);
diff --git a/retry/src/main/java/com/iluwatar/retry/DatabaseNotAvailableException.java b/retry/src/main/java/com/iluwatar/retry/DatabaseNotAvailableException.java
index ad57d99e0..03728b572 100644
--- a/retry/src/main/java/com/iluwatar/retry/DatabaseNotAvailableException.java
+++ b/retry/src/main/java/com/iluwatar/retry/DatabaseNotAvailableException.java
@@ -28,7 +28,7 @@ package com.iluwatar.retry;
  * Catastrophic error indicating that we have lost connection to our database.
  *
  * @author George Aristy (george.aristy@gmail.com)
- * @since 1.17.0
+ * @since 1.18.0
  */
 public final class DatabaseNotAvailableException extends BusinessException {
   private static final long serialVersionUID = -3750769625095997799L;
@@ -37,7 +37,7 @@ public final class DatabaseNotAvailableException extends BusinessException {
    * Ctor.
    * 
    * @param message the error message
-   * @since 1.17.0
+   * @since 1.18.0
    */
   public DatabaseNotAvailableException(String message) {
     super(message);
diff --git a/retry/src/main/java/com/iluwatar/retry/FindCustomer.java b/retry/src/main/java/com/iluwatar/retry/FindCustomer.java
index 0ca484670..7e5a09b51 100644
--- a/retry/src/main/java/com/iluwatar/retry/FindCustomer.java
+++ b/retry/src/main/java/com/iluwatar/retry/FindCustomer.java
@@ -36,7 +36,7 @@ import java.util.Deque;
  * purposes of this example it fails in a programmed way depending on the constructor parameters.
  *
  * @author George Aristy (george.aristy@gmail.com)
- * @since 1.17.0
+ * @since 1.18.0
  */
 public final class FindCustomer implements BusinessOperation<String> {
   private final String customerId;
@@ -47,7 +47,7 @@ public final class FindCustomer implements BusinessOperation<String> {
    * 
    * @param customerId the final result of the remote operation
    * @param errors the errors to throw before returning {@code customerId}
-   * @since 1.17.0
+   * @since 1.18.0
    */
   public FindCustomer(String customerId, BusinessException... errors) {
     this.customerId = customerId;
diff --git a/retry/src/main/java/com/iluwatar/retry/Retry.java b/retry/src/main/java/com/iluwatar/retry/Retry.java
index 647d5f22f..048956ff3 100644
--- a/retry/src/main/java/com/iluwatar/retry/Retry.java
+++ b/retry/src/main/java/com/iluwatar/retry/Retry.java
@@ -36,7 +36,7 @@ import java.util.function.Predicate;
  *
  * @author George Aristy (george.aristy@gmail.com)
  * @param <T> the remote op's return type
- * @since 1.17.0
+ * @since 1.18.0
  */
 public final class Retry<T> implements BusinessOperation<T> {
   private final BusinessOperation<T> op;
@@ -54,7 +54,7 @@ public final class Retry<T> implements BusinessOperation<T> {
    * @param delay delay (in milliseconds) between attempts
    * @param ignoreTests tests to check whether the remote exception can be ignored. No exceptions
    *     will be ignored if no tests are given
-   * @since 1.17.0
+   * @since 1.18.0
    */
   @SafeVarargs
   public Retry(
@@ -75,7 +75,7 @@ public final class Retry<T> implements BusinessOperation<T> {
    * The errors encountered while retrying, in the encounter order.
    * 
    * @return the errors encountered while retrying
-   * @since 1.17.0
+   * @since 1.18.0
    */
   public List<Exception> errors() {
     return Collections.unmodifiableList(this.errors);
@@ -85,7 +85,7 @@ public final class Retry<T> implements BusinessOperation<T> {
    * The number of retries performed.
    * 
    * @return the number of retries performed
-   * @since 1.17.0
+   * @since 1.18.0
    */
   public int attempts() {
     return this.attempts.intValue();
diff --git a/retry/src/test/java/com/iluwatar/retry/FindCustomerTest.java b/retry/src/test/java/com/iluwatar/retry/FindCustomerTest.java
index d93b0a943..dd4dd27df 100644
--- a/retry/src/test/java/com/iluwatar/retry/FindCustomerTest.java
+++ b/retry/src/test/java/com/iluwatar/retry/FindCustomerTest.java
@@ -32,13 +32,13 @@ import org.junit.Test;
  * Unit tests for {@link FindCustomer}.
  *
  * @author George Aristy (george.aristy@gmail.com)
- * @since 1.17.0
+ * @since 1.18.0
  */
 public class FindCustomerTest {
   /**
    * Returns the given result with no exceptions.
    * 
-   * @since 1.17.0
+   * @since 1.18.0
    */
   @Test
   public void noExceptions() throws Exception {
@@ -52,7 +52,7 @@ public class FindCustomerTest {
    * Throws the given exception.
    * 
    * @throws Exception the expected exception
-   * @since 1.17.0
+   * @since 1.18.0
    */
   @Test(expected = BusinessException.class)
   public void oneException() throws Exception {
@@ -63,7 +63,7 @@ public class FindCustomerTest {
    * Should first throw the given exceptions, then return the given result.
    * 
    * @throws Exception not an expected exception
-   * @since 1.17.0
+   * @since 1.18.0
    */
   @Test
   public void resultAfterExceptions() throws Exception {
diff --git a/retry/src/test/java/com/iluwatar/retry/RetryTest.java b/retry/src/test/java/com/iluwatar/retry/RetryTest.java
index f91a66d10..aba1a88e2 100644
--- a/retry/src/test/java/com/iluwatar/retry/RetryTest.java
+++ b/retry/src/test/java/com/iluwatar/retry/RetryTest.java
@@ -33,13 +33,13 @@ import static org.junit.Assert.*;
  * Unit tests for {@link Retry}.
  *
  * @author George Aristy (george.aristy@gmail.com)
- * @since 1.17.0
+ * @since 1.18.0
  */
 public class RetryTest {
   /**
    * Should contain all errors thrown.
    * 
-   * @since 1.17.0
+   * @since 1.18.0
    */
   @Test
   public void errors() throws Exception {
@@ -65,7 +65,7 @@ public class RetryTest {
    * No exceptions will be ignored, hence final number of attempts should be 1 even if we're asking
    * it to attempt twice.
    * 
-   * @since 1.17.0
+   * @since 1.18.0
    */
   @Test
   public void attempts() {
@@ -91,7 +91,7 @@ public class RetryTest {
    * Final number of attempts should be equal to the number of attempts asked because we are 
    * asking it to ignore the exception that will be thrown.
    * 
-   * @since 1.17.0
+   * @since 1.18.0
    */
   @Test
   public void ignore() throws Exception {