diff --git a/src/main/resources/changelog.txt b/src/main/resources/changelog.txt
index 98f23f14..36218d6d 100644
--- a/src/main/resources/changelog.txt
+++ b/src/main/resources/changelog.txt
@@ -1,6 +1,15 @@
 Spring HATEOAS Changelog
 ========================
 
+Changes in version 1.5 M1 (2022-01-14)
+----------------------------------------
+- #1739 - Upgrade to Kotlin 1.6.10.
+- #1738 - Upgrade to Reactor 2020.0.15.
+- #1737 - Upgrade to Spring Framework 5.3.15.
+- #1729 - TypeBasedInputPayloadMetadata missing equals(…) and hashCode().
+- #1727 - UriTemplate throws exception for host variables.
+- #1701 - Potential memory leak in WebMvcLinkBuilder.
+
 Changes in version 1.4 GA (2021-11-11)
 ----------------------------------------
 - #1716 - Upgrade to Spring Framework 5.3.13.
diff --git a/src/test/java/org/springframework/hateoas/support/ChangelogCreator.java b/src/test/java/org/springframework/hateoas/support/ChangelogCreator.java
index cf0bc56e..b6478fb9 100644
--- a/src/test/java/org/springframework/hateoas/support/ChangelogCreator.java
+++ b/src/test/java/org/springframework/hateoas/support/ChangelogCreator.java
@@ -38,7 +38,7 @@ import com.jayway.jsonpath.JsonPath;
  */
 class ChangelogCreator {
 
-	private static final int MILESTONE_ID = 84;
+	private static final int MILESTONE_ID = 88;
 	private static final String URI_TEMPLATE = "https://api.github.com/repos/spring-projects/spring-hateoas/issues?milestone={id}&state=closed";
 
 	public static void main(String... args) {