diff --git a/README.md b/README.md
index fba8cd7..69d7355 100644
--- a/README.md
+++ b/README.md
@@ -2,7 +2,7 @@
 
 JUG is a set of Java classes for working with UUIDs: generating UUIDs using any of standard methods, outputting
 efficiently, sorting and so on.
-It generates UUIDs according to the [UUID specification (RFC-4122)](https://tools.ietf.org/html/rfc4122)
+It generates UUIDs according to the [UUID specification (RFC-9562)](https://tools.ietf.org/html/rfc9562)
 (see [Wikipedia UUID page](http://en.wikipedia.org/wiki/UUID) for more explanation)
 
 JUG was written by Tatu Saloranta (<tatu.saloranta@iki.fi>) originally in 2002 and has been updated over the years.
@@ -12,13 +12,13 @@ JUG is licensed under [Apache License 2.0](http://www.apache.org/licenses/LICENS
 
 ## Supported UUID versions (1, 3, 4, 5, 6, 7)
 
-JUG supports both "classic" versions defined in RFC 4122]:
+JUG supports both "classic" versions defined in [RFC 4122](https://datatracker.ietf.org/doc/html/rfc4122):
 
 * `1`: time/location - based
 * `3` and `5`: name hash - based
 * `4`: random number - based
 
-and newly (in 2022-2024) proposed (see [uuid6](https://uuid6.github.io/uuid6-ietf-draft/) and [RFC-4122 bis](https://datatracker.ietf.org/doc/draft-ietf-uuidrev-rfc4122bis/)) variants:
+and newly (in 2022-) proposed (see [uuid6](https://uuid6.github.io/uuid6-ietf-draft/) and [RFC-9562](https://datatracker.ietf.org/doc/html/rfc9562) variants:
 
 * `6`: reordered variant of version `1` (with lexicographic ordering)
 * `7`: Unix-timestamp + random based variant (also with lexicographic ordering)
diff --git a/release-notes/VERSION b/release-notes/VERSION
index 6e24d51..63e0c96 100644
--- a/release-notes/VERSION
+++ b/release-notes/VERSION
@@ -4,6 +4,11 @@ Project: java-uuid-generator
 Releases
 ============================================================================
 
+(not yet released)
+
+#122: RFC-4122 Obsoleted by RFC-9562 (document change)
+ (pointed out by @akefirad)
+
 5.1.0 (02-Jun-2024)
 
 #99: New factory method to create TimeBasedEpochRandomGenerator
diff --git a/src/main/java/com/fasterxml/uuid/UUIDType.java b/src/main/java/com/fasterxml/uuid/UUIDType.java
index ee33b2f..1794b86 100644
--- a/src/main/java/com/fasterxml/uuid/UUIDType.java
+++ b/src/main/java/com/fasterxml/uuid/UUIDType.java
@@ -2,7 +2,7 @@
 
 /**
  * Enumeration of different flavors of UUIDs: 5 specified by specs
- * (<a href="http://tools.ietf.org/html/rfc4122">RFC-4122</a>)
+ * (<a href="http://tools.ietf.org/html/rfc9562">RFC-9562</a>)
  * and one
  * virtual entry ("UNKNOWN") to represent invalid one that consists of
  * all zero bites
diff --git a/src/main/java/com/fasterxml/uuid/impl/UUIDUtil.java b/src/main/java/com/fasterxml/uuid/impl/UUIDUtil.java
index b2d5291..e66041f 100644
--- a/src/main/java/com/fasterxml/uuid/impl/UUIDUtil.java
+++ b/src/main/java/com/fasterxml/uuid/impl/UUIDUtil.java
@@ -46,7 +46,7 @@ public UUIDUtil() { }
 
     /**
      * Accessor for so-call "Nil UUID" (see
-     * <a href="https://www.rfc-editor.org/rfc/rfc4122#section-4.1.7">RFC 4122/4.1.7</a>;
+     * <a href="https://datatracker.ietf.org/doc/html/rfc9562#name-nil-uuid">RFC 9562, #5.9</a>;
      * one that is all zeroes.
      *
      * @since 4.1
@@ -59,7 +59,7 @@ public static UUID nilUUID() {
 
     /**
      * Accessor for so-call "Max UUID" (see
-     * <a href="https://www.ietf.org/archive/id/draft-peabody-dispatch-new-uuid-format-04.html#name-max-uuid">UUID 6 draft</a>;
+     * <a href="https://datatracker.ietf.org/doc/html/rfc9562#name-max-uuid">RFC-9562, #5.10</a>);
      * one that is all one bits
      *
      * @since 4.1