diff --git a/src/main/java/com/github/packageurl/MalformedPackageURLException.java b/src/main/java/com/github/packageurl/MalformedPackageURLException.java
index 57e1359..a5ec14d 100644
--- a/src/main/java/com/github/packageurl/MalformedPackageURLException.java
+++ b/src/main/java/com/github/packageurl/MalformedPackageURLException.java
@@ -32,6 +32,8 @@ public class MalformedPackageURLException extends Exception {
 
     /**
      * Constructs a {@code MalformedPackageURLException} with no detail message.
+     *
+     * @since 1.0.0
      */
     public MalformedPackageURLException() {
     }
@@ -40,7 +42,8 @@ public MalformedPackageURLException() {
      * Constructs a {@code MalformedPackageURLException} with the
      * specified detail message.
      *
-     * @param msg the detail message.
+     * @param msg the detail message
+     * @since 1.0.0
      */
     public MalformedPackageURLException(String msg) {
         super(msg);
@@ -52,6 +55,7 @@ public MalformedPackageURLException(String msg) {
      *
      * @param message the detail message
      * @param cause the cause
+     * @since 1.6.0
      */
     public MalformedPackageURLException(String message, Throwable cause) {
         super(message, cause);
@@ -62,6 +66,7 @@ public MalformedPackageURLException(String message, Throwable cause) {
      * message of {@code (cause==null ? null : cause.toString())}.
      *
      * @param cause the cause
+     * @since 1.6.0
      */
     public MalformedPackageURLException(Throwable cause) {
         super(cause);