After release cleanups.

See #1791

pom.xml

@@ -15,12 +15,12 @@
 	<parent>
 		<groupId>org.springframework.data.build</groupId>
 		<artifactId>spring-data-parent</artifactId>
-		<version>3.4.0-M1</version>
+		<version>3.4.0-SNAPSHOT</version>
 	</parent>
 
 	<properties>
 		<dist.id>spring-data-jdbc</dist.id>
-		<springdata.commons>3.4.0-M1</springdata.commons>
+		<springdata.commons>3.4.0-SNAPSHOT</springdata.commons>
 		<liquibase.version>4.21.1</liquibase.version>
 		<sonar.dynamicAnalysis>reuseReports</sonar.dynamicAnalysis>
 
@@ -303,6 +303,16 @@
 	</build>
 
 	<repositories>
+		<repository>
+			<id>spring-snapshot</id>
+			<url>https://repo.spring.io/snapshot</url>
+			<snapshots>
+				<enabled>true</enabled>
+			</snapshots>
+			<releases>
+				<enabled>false</enabled>
+			</releases>
+		</repository>
 		<repository>
 			<id>spring-milestone</id>
 			<url>https://repo.spring.io/milestone</url>