diff --git a/pom.xml b/pom.xml
index 124e702b1..96b983a2c 100644
--- a/pom.xml
+++ b/pom.xml
@@ -10,7 +10,7 @@
 	<parent>
 		<groupId>org.springframework.data.build</groupId>
 		<artifactId>spring-data-parent</artifactId>
-		<version>2.6.0-SNAPSHOT</version>
+		<version>2.6.0-M1</version>
 	</parent>
 
 	<name>Spring Data Elasticsearch</name>
@@ -21,7 +21,7 @@
 		<elasticsearch>7.13.3</elasticsearch>
 		<log4j>2.14.1</log4j>
 		<netty>4.1.65.Final</netty>
-		<springdata.commons>2.6.0-SNAPSHOT</springdata.commons>
+		<springdata.commons>2.6.0-M1</springdata.commons>
 		<testcontainers>1.15.3</testcontainers>
 		<blockhound-junit>1.0.6.RELEASE</blockhound-junit>
 		<java-module-name>spring.data.elasticsearch</java-module-name>
@@ -487,8 +487,8 @@
 
 	<repositories>
 		<repository>
-			<id>spring-libs-snapshot</id>
-			<url>https://repo.spring.io/libs-snapshot</url>
+			<id>spring-libs-milestone</id>
+			<url>https://repo.spring.io/libs-milestone</url>
 		</repository>
 
 		<repository>
diff --git a/src/main/resources/notice.txt b/src/main/resources/notice.txt
index 2be9fae82..347f28d81 100644
--- a/src/main/resources/notice.txt
+++ b/src/main/resources/notice.txt
@@ -1,4 +1,4 @@
-Spring Data Elasticsearch 4.2 GA (2021.0.0)
+Spring Data Elasticsearch 4.3 M1 (2021.1.0)
 Copyright (c) [2013-2021] Pivotal Software, Inc.
 
 This product is licensed to you under the Apache License, Version 2.0 (the "License").
@@ -27,3 +27,4 @@ conditions of the subcomponent's license, as noted in the LICENSE file.
 
 
 
+