diff --git a/src/main/resources/changelog.txt b/src/main/resources/changelog.txt
index a51cbb5b2..4ea69ee2a 100644
--- a/src/main/resources/changelog.txt
+++ b/src/main/resources/changelog.txt
@@ -1,6 +1,19 @@
 Spring Data Cassandra Changelog
 ===============================
 
+Changes in version 3.1.0-M1 (2020-06-25)
+----------------------------------------
+* DATACASS-779 - Upgrade to Cassandra driver 4.7.2.
+* DATACASS-778 - Upgrade to Cassandra driver 4.7.1.
+* DATACASS-777 - ConcurrentModificationException in CassandraTemplate.getTableName.
+* DATACASS-776 - Upgrade to Cassandra driver 4.7.0.
+* DATACASS-772 - Use standard Spring code of conduct.
+* DATACASS-771 - Consider return type of suspended methods returning Flow.
+* DATACASS-770 - Adding element to set via update query fails.
+* DATACASS-764 - Delombok source files.
+* DATACASS-762 - Release 3.1 M1 (2020.0.0).
+
+
 Changes in version 3.0.1.RELEASE (2020-06-10)
 ---------------------------------------------
 * DATACASS-771 - Consider return type of suspended methods returning Flow.
@@ -1249,3 +1262,4 @@ Changes in version 1.0.0.M1 (2014-03-31)
 
 
 
+