diff --git a/benchmarks/pom.xml b/benchmarks/pom.xml
index 4a751c592..46bc51e23 100644
--- a/benchmarks/pom.xml
+++ b/benchmarks/pom.xml
@@ -22,7 +22,7 @@
 	<name>Benchmarks</name>
 	<description>Benchmarks (JMH)</description>
 	<groupId>org.springframework.cloud</groupId>
-	<version>3.1.0-M1</version>
+	<version>3.1.0-SNAPSHOT</version>
 	<artifactId>benchmarks</artifactId>
 
 	<parent>
diff --git a/docs/pom.xml b/docs/pom.xml
index f80b99e15..cee360719 100644
--- a/docs/pom.xml
+++ b/docs/pom.xml
@@ -21,7 +21,7 @@
 	<parent>
 		<groupId>org.springframework.cloud</groupId>
 		<artifactId>spring-cloud-sleuth</artifactId>
-		<version>3.1.0-M1</version>
+		<version>3.1.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>spring-cloud-sleuth-docs</artifactId>
 	<packaging>jar</packaging>
diff --git a/pom.xml b/pom.xml
index 366f81030..31bcb1582 100644
--- a/pom.xml
+++ b/pom.xml
@@ -21,7 +21,7 @@
 	<modelVersion>4.0.0</modelVersion>
 
 	<artifactId>spring-cloud-sleuth</artifactId>
-	<version>3.1.0-M1</version>
+	<version>3.1.0-SNAPSHOT</version>
 	<packaging>pom</packaging>
 	<name>Spring Cloud Sleuth</name>
 	<description>Spring Cloud Sleuth</description>
@@ -29,7 +29,7 @@
 	<parent>
 		<groupId>org.springframework.cloud</groupId>
 		<artifactId>spring-cloud-build</artifactId>
-		<version>3.1.0-M1</version>
+		<version>3.1.0-SNAPSHOT</version>
 		<relativePath/>
 		<!-- lookup parent from repository -->
 	</parent>
@@ -62,16 +62,16 @@
 		<maven.compiler.source>1.8</maven.compiler.source>
 		<maven.compiler.testTarget>1.8</maven.compiler.testTarget>
 		<maven.compiler.testSource>1.8</maven.compiler.testSource>
-		<spring-cloud-build.version>3.1.0-M1</spring-cloud-build.version>
-		<spring-cloud-commons.version>3.1.0-M1</spring-cloud-commons.version>
-		<spring-cloud-gateway.version>3.1.0-M1</spring-cloud-gateway.version>
-		<spring-cloud-config.version>3.1.0-M1</spring-cloud-config.version>
-		<spring-cloud-circuitbreaker.version>2.1.0-M1</spring-cloud-circuitbreaker.version>
-		<spring-cloud-stream.version>3.2.0-M1</spring-cloud-stream.version>
-		<spring-cloud-function.version>3.2.0-M1</spring-cloud-function.version>
-		<spring-cloud-netflix.version>3.1.0-M1</spring-cloud-netflix.version>
-		<spring-cloud-openfeign.version>3.1.0-M1</spring-cloud-openfeign.version>
-		<spring-cloud-task.version>2.4.0-M1</spring-cloud-task.version>
+		<spring-cloud-build.version>3.1.0-SNAPSHOT</spring-cloud-build.version>
+		<spring-cloud-commons.version>3.1.0-SNAPSHOT</spring-cloud-commons.version>
+		<spring-cloud-gateway.version>3.1.0-SNAPSHOT</spring-cloud-gateway.version>
+		<spring-cloud-config.version>3.1.0-SNAPSHOT</spring-cloud-config.version>
+		<spring-cloud-circuitbreaker.version>2.1.0-SNAPSHOT</spring-cloud-circuitbreaker.version>
+		<spring-cloud-stream.version>3.2.0-SNAPSHOT</spring-cloud-stream.version>
+		<spring-cloud-function.version>3.2.0-SNAPSHOT</spring-cloud-function.version>
+		<spring-cloud-netflix.version>3.1.0-SNAPSHOT</spring-cloud-netflix.version>
+		<spring-cloud-openfeign.version>3.1.0-SNAPSHOT</spring-cloud-openfeign.version>
+		<spring-cloud-task.version>2.4.0-SNAPSHOT</spring-cloud-task.version>
 		<spring-cloud-deployer.version>2.5.1</spring-cloud-deployer.version>
 		<brave.version>5.13.2</brave.version>
 		<opentracing.version>0.32.0</opentracing.version>
diff --git a/spring-cloud-sleuth-api/pom.xml b/spring-cloud-sleuth-api/pom.xml
index 1c86b088b..59766a458 100644
--- a/spring-cloud-sleuth-api/pom.xml
+++ b/spring-cloud-sleuth-api/pom.xml
@@ -28,7 +28,7 @@
 	<parent>
 		<groupId>org.springframework.cloud</groupId>
 		<artifactId>spring-cloud-sleuth</artifactId>
-		<version>3.1.0-M1</version>
+		<version>3.1.0-SNAPSHOT</version>
 		<relativePath>..</relativePath>
 	</parent>
 
diff --git a/spring-cloud-sleuth-autoconfigure/pom.xml b/spring-cloud-sleuth-autoconfigure/pom.xml
index 2258aafe3..ba19af7b3 100644
--- a/spring-cloud-sleuth-autoconfigure/pom.xml
+++ b/spring-cloud-sleuth-autoconfigure/pom.xml
@@ -28,7 +28,7 @@
 	<parent>
 		<groupId>org.springframework.cloud</groupId>
 		<artifactId>spring-cloud-sleuth</artifactId>
-		<version>3.1.0-M1</version>
+		<version>3.1.0-SNAPSHOT</version>
 		<relativePath>..</relativePath>
 	</parent>
 
diff --git a/spring-cloud-sleuth-brave/pom.xml b/spring-cloud-sleuth-brave/pom.xml
index 5242ac83d..1069e4dbe 100644
--- a/spring-cloud-sleuth-brave/pom.xml
+++ b/spring-cloud-sleuth-brave/pom.xml
@@ -28,7 +28,7 @@
 	<parent>
 		<groupId>org.springframework.cloud</groupId>
 		<artifactId>spring-cloud-sleuth</artifactId>
-		<version>3.1.0-M1</version>
+		<version>3.1.0-SNAPSHOT</version>
 		<relativePath>..</relativePath>
 	</parent>
 
diff --git a/spring-cloud-sleuth-dependencies/pom.xml b/spring-cloud-sleuth-dependencies/pom.xml
index 1f959d9e2..63c510721 100644
--- a/spring-cloud-sleuth-dependencies/pom.xml
+++ b/spring-cloud-sleuth-dependencies/pom.xml
@@ -22,11 +22,11 @@
 	<parent>
 		<artifactId>spring-cloud-dependencies-parent</artifactId>
 		<groupId>org.springframework.cloud</groupId>
-		<version>3.1.0-M1</version>
+		<version>3.1.0-SNAPSHOT</version>
 		<relativePath/>
 	</parent>
 	<artifactId>spring-cloud-sleuth-dependencies</artifactId>
-	<version>3.1.0-M1</version>
+	<version>3.1.0-SNAPSHOT</version>
 	<packaging>pom</packaging>
 	<name>spring-cloud-sleuth-dependencies</name>
 	<description>Spring Cloud Sleuth Dependencies</description>
diff --git a/spring-cloud-sleuth-instrumentation/pom.xml b/spring-cloud-sleuth-instrumentation/pom.xml
index a0b13eaa4..f5d44ce63 100644
--- a/spring-cloud-sleuth-instrumentation/pom.xml
+++ b/spring-cloud-sleuth-instrumentation/pom.xml
@@ -28,7 +28,7 @@
 	<parent>
 		<groupId>org.springframework.cloud</groupId>
 		<artifactId>spring-cloud-sleuth</artifactId>
-		<version>3.1.0-M1</version>
+		<version>3.1.0-SNAPSHOT</version>
 		<relativePath>..</relativePath>
 	</parent>
 
diff --git a/spring-cloud-sleuth-samples/pom.xml b/spring-cloud-sleuth-samples/pom.xml
index 6a3bb1fc4..db7df8acb 100644
--- a/spring-cloud-sleuth-samples/pom.xml
+++ b/spring-cloud-sleuth-samples/pom.xml
@@ -28,7 +28,7 @@
 	<parent>
 		<groupId>org.springframework.cloud</groupId>
 		<artifactId>spring-cloud-sleuth</artifactId>
-		<version>3.1.0-M1</version>
+		<version>3.1.0-SNAPSHOT</version>
 		<relativePath>..</relativePath>
 	</parent>
 
diff --git a/spring-cloud-sleuth-samples/spring-cloud-sleuth-sample-feign/pom.xml b/spring-cloud-sleuth-samples/spring-cloud-sleuth-sample-feign/pom.xml
index 3238185af..14012ee1d 100644
--- a/spring-cloud-sleuth-samples/spring-cloud-sleuth-sample-feign/pom.xml
+++ b/spring-cloud-sleuth-samples/spring-cloud-sleuth-sample-feign/pom.xml
@@ -28,7 +28,7 @@
 	<parent>
 		<groupId>org.springframework.cloud</groupId>
 		<artifactId>spring-cloud-sleuth-samples</artifactId>
-		<version>3.1.0-M1</version>
+		<version>3.1.0-SNAPSHOT</version>
 		<relativePath>..</relativePath>
 	</parent>
 
diff --git a/spring-cloud-sleuth-samples/spring-cloud-sleuth-sample-messaging/pom.xml b/spring-cloud-sleuth-samples/spring-cloud-sleuth-sample-messaging/pom.xml
index 85881be53..75b4574a8 100644
--- a/spring-cloud-sleuth-samples/spring-cloud-sleuth-sample-messaging/pom.xml
+++ b/spring-cloud-sleuth-samples/spring-cloud-sleuth-sample-messaging/pom.xml
@@ -28,7 +28,7 @@
 	<parent>
 		<groupId>org.springframework.cloud</groupId>
 		<artifactId>spring-cloud-sleuth-samples</artifactId>
-		<version>3.1.0-M1</version>
+		<version>3.1.0-SNAPSHOT</version>
 		<relativePath>..</relativePath>
 	</parent>
 
diff --git a/spring-cloud-sleuth-samples/spring-cloud-sleuth-sample-test-core/pom.xml b/spring-cloud-sleuth-samples/spring-cloud-sleuth-sample-test-core/pom.xml
index 9127507ea..438700c2d 100644
--- a/spring-cloud-sleuth-samples/spring-cloud-sleuth-sample-test-core/pom.xml
+++ b/spring-cloud-sleuth-samples/spring-cloud-sleuth-sample-test-core/pom.xml
@@ -28,7 +28,7 @@
 	<parent>
 		<groupId>org.springframework.cloud</groupId>
 		<artifactId>spring-cloud-sleuth-samples</artifactId>
-		<version>3.1.0-M1</version>
+		<version>3.1.0-SNAPSHOT</version>
 		<relativePath>..</relativePath>
 	</parent>
 
diff --git a/spring-cloud-sleuth-samples/spring-cloud-sleuth-sample-websocket/pom.xml b/spring-cloud-sleuth-samples/spring-cloud-sleuth-sample-websocket/pom.xml
index 799b34c9c..2114093a3 100644
--- a/spring-cloud-sleuth-samples/spring-cloud-sleuth-sample-websocket/pom.xml
+++ b/spring-cloud-sleuth-samples/spring-cloud-sleuth-sample-websocket/pom.xml
@@ -28,7 +28,7 @@
 	<parent>
 		<groupId>org.springframework.cloud</groupId>
 		<artifactId>spring-cloud-sleuth-samples</artifactId>
-		<version>3.1.0-M1</version>
+		<version>3.1.0-SNAPSHOT</version>
 		<relativePath>..</relativePath>
 	</parent>
 
diff --git a/spring-cloud-sleuth-samples/spring-cloud-sleuth-sample-zipkin/pom.xml b/spring-cloud-sleuth-samples/spring-cloud-sleuth-sample-zipkin/pom.xml
index f2c100c9a..85e6b2855 100644
--- a/spring-cloud-sleuth-samples/spring-cloud-sleuth-sample-zipkin/pom.xml
+++ b/spring-cloud-sleuth-samples/spring-cloud-sleuth-sample-zipkin/pom.xml
@@ -28,7 +28,7 @@
 	<parent>
 		<groupId>org.springframework.cloud</groupId>
 		<artifactId>spring-cloud-sleuth-samples</artifactId>
-		<version>3.1.0-M1</version>
+		<version>3.1.0-SNAPSHOT</version>
 		<relativePath>..</relativePath>
 	</parent>
 
diff --git a/spring-cloud-sleuth-samples/spring-cloud-sleuth-sample/pom.xml b/spring-cloud-sleuth-samples/spring-cloud-sleuth-sample/pom.xml
index 9eac1daa4..e4bb17d81 100644
--- a/spring-cloud-sleuth-samples/spring-cloud-sleuth-sample/pom.xml
+++ b/spring-cloud-sleuth-samples/spring-cloud-sleuth-sample/pom.xml
@@ -28,7 +28,7 @@
 	<parent>
 		<groupId>org.springframework.cloud</groupId>
 		<artifactId>spring-cloud-sleuth-samples</artifactId>
-		<version>3.1.0-M1</version>
+		<version>3.1.0-SNAPSHOT</version>
 		<relativePath>..</relativePath>
 	</parent>
 
diff --git a/spring-cloud-sleuth-zipkin/pom.xml b/spring-cloud-sleuth-zipkin/pom.xml
index 6e1ece1e9..69642bfdb 100644
--- a/spring-cloud-sleuth-zipkin/pom.xml
+++ b/spring-cloud-sleuth-zipkin/pom.xml
@@ -28,7 +28,7 @@
 	<parent>
 		<groupId>org.springframework.cloud</groupId>
 		<artifactId>spring-cloud-sleuth</artifactId>
-		<version>3.1.0-M1</version>
+		<version>3.1.0-SNAPSHOT</version>
 		<relativePath>..</relativePath>
 	</parent>
 
diff --git a/spring-cloud-starter-sleuth/pom.xml b/spring-cloud-starter-sleuth/pom.xml
index b24f27f72..7cf9452ec 100644
--- a/spring-cloud-starter-sleuth/pom.xml
+++ b/spring-cloud-starter-sleuth/pom.xml
@@ -22,7 +22,7 @@
 	<parent>
 		<groupId>org.springframework.cloud</groupId>
 		<artifactId>spring-cloud-sleuth</artifactId>
-		<version>3.1.0-M1</version>
+		<version>3.1.0-SNAPSHOT</version>
 		<relativePath>..</relativePath>
 	</parent>
 	<artifactId>spring-cloud-starter-sleuth</artifactId>
diff --git a/tests/brave/pom.xml b/tests/brave/pom.xml
index 92b769c63..8171631ef 100644
--- a/tests/brave/pom.xml
+++ b/tests/brave/pom.xml
@@ -30,7 +30,7 @@
 	<parent>
 		<groupId>org.springframework.cloud</groupId>
 		<artifactId>spring-cloud-sleuth-tests</artifactId>
-		<version>3.1.0-M1</version>
+		<version>3.1.0-SNAPSHOT</version>
 		<relativePath>..</relativePath>
 	</parent>
 
diff --git a/tests/brave/spring-cloud-sleuth-instrumentation-actuator-tests/pom.xml b/tests/brave/spring-cloud-sleuth-instrumentation-actuator-tests/pom.xml
index 91704873e..d678bf9cb 100644
--- a/tests/brave/spring-cloud-sleuth-instrumentation-actuator-tests/pom.xml
+++ b/tests/brave/spring-cloud-sleuth-instrumentation-actuator-tests/pom.xml
@@ -30,7 +30,7 @@
 	<parent>
 		<groupId>org.springframework.cloud</groupId>
 		<artifactId>spring-cloud-sleuth-tests-brave</artifactId>
-		<version>3.1.0-M1</version>
+		<version>3.1.0-SNAPSHOT</version>
 		<relativePath>..</relativePath>
 	</parent>
 
diff --git a/tests/brave/spring-cloud-sleuth-instrumentation-annotation-tests/pom.xml b/tests/brave/spring-cloud-sleuth-instrumentation-annotation-tests/pom.xml
index 09f614df0..2c12a1fcb 100644
--- a/tests/brave/spring-cloud-sleuth-instrumentation-annotation-tests/pom.xml
+++ b/tests/brave/spring-cloud-sleuth-instrumentation-annotation-tests/pom.xml
@@ -30,7 +30,7 @@
 	<parent>
 		<groupId>org.springframework.cloud</groupId>
 		<artifactId>spring-cloud-sleuth-tests-brave</artifactId>
-		<version>3.1.0-M1</version>
+		<version>3.1.0-SNAPSHOT</version>
 		<relativePath>..</relativePath>
 	</parent>
 
diff --git a/tests/brave/spring-cloud-sleuth-instrumentation-async-tests/pom.xml b/tests/brave/spring-cloud-sleuth-instrumentation-async-tests/pom.xml
index 79a6bee4d..7bf3f3a3a 100644
--- a/tests/brave/spring-cloud-sleuth-instrumentation-async-tests/pom.xml
+++ b/tests/brave/spring-cloud-sleuth-instrumentation-async-tests/pom.xml
@@ -30,7 +30,7 @@
 	<parent>
 		<groupId>org.springframework.cloud</groupId>
 		<artifactId>spring-cloud-sleuth-tests-brave</artifactId>
-		<version>3.1.0-M1</version>
+		<version>3.1.0-SNAPSHOT</version>
 		<relativePath>..</relativePath>
 	</parent>
 
diff --git a/tests/brave/spring-cloud-sleuth-instrumentation-baggage-tests/pom.xml b/tests/brave/spring-cloud-sleuth-instrumentation-baggage-tests/pom.xml
index 09d813272..e2a5b6625 100644
--- a/tests/brave/spring-cloud-sleuth-instrumentation-baggage-tests/pom.xml
+++ b/tests/brave/spring-cloud-sleuth-instrumentation-baggage-tests/pom.xml
@@ -30,7 +30,7 @@
 	<parent>
 		<groupId>org.springframework.cloud</groupId>
 		<artifactId>spring-cloud-sleuth-tests-brave</artifactId>
-		<version>3.1.0-M1</version>
+		<version>3.1.0-SNAPSHOT</version>
 		<relativePath>..</relativePath>
 	</parent>
 
diff --git a/tests/brave/spring-cloud-sleuth-instrumentation-batch-tests/pom.xml b/tests/brave/spring-cloud-sleuth-instrumentation-batch-tests/pom.xml
index b6665afd4..6c8ee8316 100644
--- a/tests/brave/spring-cloud-sleuth-instrumentation-batch-tests/pom.xml
+++ b/tests/brave/spring-cloud-sleuth-instrumentation-batch-tests/pom.xml
@@ -30,7 +30,7 @@
 	<parent>
 		<groupId>org.springframework.cloud</groupId>
 		<artifactId>spring-cloud-sleuth-tests-brave</artifactId>
-		<version>3.1.0-M1</version>
+		<version>3.1.0-SNAPSHOT</version>
 		<relativePath>..</relativePath>
 	</parent>
 
diff --git a/tests/brave/spring-cloud-sleuth-instrumentation-circuitbreaker-reactive-tests/pom.xml b/tests/brave/spring-cloud-sleuth-instrumentation-circuitbreaker-reactive-tests/pom.xml
index d9d6d13b5..43d9e1ab6 100644
--- a/tests/brave/spring-cloud-sleuth-instrumentation-circuitbreaker-reactive-tests/pom.xml
+++ b/tests/brave/spring-cloud-sleuth-instrumentation-circuitbreaker-reactive-tests/pom.xml
@@ -30,7 +30,7 @@
 	<parent>
 		<groupId>org.springframework.cloud</groupId>
 		<artifactId>spring-cloud-sleuth-tests-brave</artifactId>
-		<version>3.1.0-M1</version>
+		<version>3.1.0-SNAPSHOT</version>
 		<relativePath>..</relativePath>
 	</parent>
 
diff --git a/tests/brave/spring-cloud-sleuth-instrumentation-circuitbreaker-tests/pom.xml b/tests/brave/spring-cloud-sleuth-instrumentation-circuitbreaker-tests/pom.xml
index df80dd9af..0e29dd8db 100644
--- a/tests/brave/spring-cloud-sleuth-instrumentation-circuitbreaker-tests/pom.xml
+++ b/tests/brave/spring-cloud-sleuth-instrumentation-circuitbreaker-tests/pom.xml
@@ -30,7 +30,7 @@
 	<parent>
 		<groupId>org.springframework.cloud</groupId>
 		<artifactId>spring-cloud-sleuth-tests-brave</artifactId>
-		<version>3.1.0-M1</version>
+		<version>3.1.0-SNAPSHOT</version>
 		<relativePath>..</relativePath>
 	</parent>
 
diff --git a/tests/brave/spring-cloud-sleuth-instrumentation-config-server-tests/pom.xml b/tests/brave/spring-cloud-sleuth-instrumentation-config-server-tests/pom.xml
index bdd49f185..6d6f4eb10 100644
--- a/tests/brave/spring-cloud-sleuth-instrumentation-config-server-tests/pom.xml
+++ b/tests/brave/spring-cloud-sleuth-instrumentation-config-server-tests/pom.xml
@@ -30,7 +30,7 @@
 	<parent>
 		<groupId>org.springframework.cloud</groupId>
 		<artifactId>spring-cloud-sleuth-tests-brave</artifactId>
-		<version>3.1.0-M1</version>
+		<version>3.1.0-SNAPSHOT</version>
 		<relativePath>..</relativePath>
 	</parent>
 
diff --git a/tests/brave/spring-cloud-sleuth-instrumentation-feign-tests/pom.xml b/tests/brave/spring-cloud-sleuth-instrumentation-feign-tests/pom.xml
index 52f99af98..7d7134fa4 100644
--- a/tests/brave/spring-cloud-sleuth-instrumentation-feign-tests/pom.xml
+++ b/tests/brave/spring-cloud-sleuth-instrumentation-feign-tests/pom.xml
@@ -30,7 +30,7 @@
 	<parent>
 		<groupId>org.springframework.cloud</groupId>
 		<artifactId>spring-cloud-sleuth-tests-brave</artifactId>
-		<version>3.1.0-M1</version>
+		<version>3.1.0-SNAPSHOT</version>
 		<relativePath>..</relativePath>
 	</parent>
 
diff --git a/tests/brave/spring-cloud-sleuth-instrumentation-gateway-tests/pom.xml b/tests/brave/spring-cloud-sleuth-instrumentation-gateway-tests/pom.xml
index 1522b6fac..b648e3bc8 100644
--- a/tests/brave/spring-cloud-sleuth-instrumentation-gateway-tests/pom.xml
+++ b/tests/brave/spring-cloud-sleuth-instrumentation-gateway-tests/pom.xml
@@ -30,7 +30,7 @@
 	<parent>
 		<groupId>org.springframework.cloud</groupId>
 		<artifactId>spring-cloud-sleuth-tests-brave</artifactId>
-		<version>3.1.0-M1</version>
+		<version>3.1.0-SNAPSHOT</version>
 		<relativePath>..</relativePath>
 	</parent>
 
diff --git a/tests/brave/spring-cloud-sleuth-instrumentation-grpc-tests/pom.xml b/tests/brave/spring-cloud-sleuth-instrumentation-grpc-tests/pom.xml
index 6384755a7..5e9c81e38 100644
--- a/tests/brave/spring-cloud-sleuth-instrumentation-grpc-tests/pom.xml
+++ b/tests/brave/spring-cloud-sleuth-instrumentation-grpc-tests/pom.xml
@@ -30,7 +30,7 @@
 	<parent>
 		<groupId>org.springframework.cloud</groupId>
 		<artifactId>spring-cloud-sleuth-tests-brave</artifactId>
-		<version>3.1.0-M1</version>
+		<version>3.1.0-SNAPSHOT</version>
 		<relativePath>..</relativePath>
 	</parent>
 
diff --git a/tests/brave/spring-cloud-sleuth-instrumentation-jdbc-tests/pom.xml b/tests/brave/spring-cloud-sleuth-instrumentation-jdbc-tests/pom.xml
index 756ce402e..259be99a3 100644
--- a/tests/brave/spring-cloud-sleuth-instrumentation-jdbc-tests/pom.xml
+++ b/tests/brave/spring-cloud-sleuth-instrumentation-jdbc-tests/pom.xml
@@ -30,7 +30,7 @@
 	<parent>
 		<groupId>org.springframework.cloud</groupId>
 		<artifactId>spring-cloud-sleuth-tests-brave</artifactId>
-		<version>3.1.0-M1</version>
+		<version>3.1.0-SNAPSHOT</version>
 		<relativePath>..</relativePath>
 	</parent>
 
diff --git a/tests/brave/spring-cloud-sleuth-instrumentation-kafka-tests/pom.xml b/tests/brave/spring-cloud-sleuth-instrumentation-kafka-tests/pom.xml
index f60da6ea9..5692dd97b 100644
--- a/tests/brave/spring-cloud-sleuth-instrumentation-kafka-tests/pom.xml
+++ b/tests/brave/spring-cloud-sleuth-instrumentation-kafka-tests/pom.xml
@@ -30,7 +30,7 @@
 	<parent>
 		<groupId>org.springframework.cloud</groupId>
 		<artifactId>spring-cloud-sleuth-tests-brave</artifactId>
-		<version>3.1.0-M1</version>
+		<version>3.1.0-SNAPSHOT</version>
 		<relativePath>..</relativePath>
 	</parent>
 
diff --git a/tests/brave/spring-cloud-sleuth-instrumentation-kotlin-tests/pom.xml b/tests/brave/spring-cloud-sleuth-instrumentation-kotlin-tests/pom.xml
index f0af1b02a..61014adcc 100644
--- a/tests/brave/spring-cloud-sleuth-instrumentation-kotlin-tests/pom.xml
+++ b/tests/brave/spring-cloud-sleuth-instrumentation-kotlin-tests/pom.xml
@@ -30,7 +30,7 @@
 	<parent>
 		<groupId>org.springframework.cloud</groupId>
 		<artifactId>spring-cloud-sleuth-tests-brave</artifactId>
-		<version>3.1.0-M1</version>
+		<version>3.1.0-SNAPSHOT</version>
 		<relativePath>..</relativePath>
 	</parent>
 
diff --git a/tests/brave/spring-cloud-sleuth-instrumentation-lettuce-tests/pom.xml b/tests/brave/spring-cloud-sleuth-instrumentation-lettuce-tests/pom.xml
index ab44856a8..bf14afc5c 100644
--- a/tests/brave/spring-cloud-sleuth-instrumentation-lettuce-tests/pom.xml
+++ b/tests/brave/spring-cloud-sleuth-instrumentation-lettuce-tests/pom.xml
@@ -30,7 +30,7 @@
 	<parent>
 		<groupId>org.springframework.cloud</groupId>
 		<artifactId>spring-cloud-sleuth-tests-brave</artifactId>
-		<version>3.1.0-M1</version>
+		<version>3.1.0-SNAPSHOT</version>
 		<relativePath>..</relativePath>
 	</parent>
 
diff --git a/tests/brave/spring-cloud-sleuth-instrumentation-messaging-tests/pom.xml b/tests/brave/spring-cloud-sleuth-instrumentation-messaging-tests/pom.xml
index bf63b2bc2..fe4a8b232 100644
--- a/tests/brave/spring-cloud-sleuth-instrumentation-messaging-tests/pom.xml
+++ b/tests/brave/spring-cloud-sleuth-instrumentation-messaging-tests/pom.xml
@@ -30,7 +30,7 @@
 	<parent>
 		<groupId>org.springframework.cloud</groupId>
 		<artifactId>spring-cloud-sleuth-tests-brave</artifactId>
-		<version>3.1.0-M1</version>
+		<version>3.1.0-SNAPSHOT</version>
 		<relativePath>..</relativePath>
 	</parent>
 
diff --git a/tests/brave/spring-cloud-sleuth-instrumentation-mvc-tests/pom.xml b/tests/brave/spring-cloud-sleuth-instrumentation-mvc-tests/pom.xml
index f39cc914d..3c0302cb6 100644
--- a/tests/brave/spring-cloud-sleuth-instrumentation-mvc-tests/pom.xml
+++ b/tests/brave/spring-cloud-sleuth-instrumentation-mvc-tests/pom.xml
@@ -30,7 +30,7 @@
 	<parent>
 		<groupId>org.springframework.cloud</groupId>
 		<artifactId>spring-cloud-sleuth-tests-brave</artifactId>
-		<version>3.1.0-M1</version>
+		<version>3.1.0-SNAPSHOT</version>
 		<relativePath>..</relativePath>
 	</parent>
 
diff --git a/tests/brave/spring-cloud-sleuth-instrumentation-quartz-tests/pom.xml b/tests/brave/spring-cloud-sleuth-instrumentation-quartz-tests/pom.xml
index 847bbdcda..9e48b22f7 100644
--- a/tests/brave/spring-cloud-sleuth-instrumentation-quartz-tests/pom.xml
+++ b/tests/brave/spring-cloud-sleuth-instrumentation-quartz-tests/pom.xml
@@ -30,7 +30,7 @@
 	<parent>
 		<groupId>org.springframework.cloud</groupId>
 		<artifactId>spring-cloud-sleuth-tests-brave</artifactId>
-		<version>3.1.0-M1</version>
+		<version>3.1.0-SNAPSHOT</version>
 		<relativePath>..</relativePath>
 	</parent>
 
diff --git a/tests/brave/spring-cloud-sleuth-instrumentation-r2dbc-tests/pom.xml b/tests/brave/spring-cloud-sleuth-instrumentation-r2dbc-tests/pom.xml
index 100dce33e..f4c32b7f3 100644
--- a/tests/brave/spring-cloud-sleuth-instrumentation-r2dbc-tests/pom.xml
+++ b/tests/brave/spring-cloud-sleuth-instrumentation-r2dbc-tests/pom.xml
@@ -30,7 +30,7 @@
 	<parent>
 		<groupId>org.springframework.cloud</groupId>
 		<artifactId>spring-cloud-sleuth-tests-brave</artifactId>
-		<version>3.1.0-M1</version>
+		<version>3.1.0-SNAPSHOT</version>
 		<relativePath>..</relativePath>
 	</parent>
 
diff --git a/tests/brave/spring-cloud-sleuth-instrumentation-reactor-tests/pom.xml b/tests/brave/spring-cloud-sleuth-instrumentation-reactor-tests/pom.xml
index f1adb029e..c1e357579 100644
--- a/tests/brave/spring-cloud-sleuth-instrumentation-reactor-tests/pom.xml
+++ b/tests/brave/spring-cloud-sleuth-instrumentation-reactor-tests/pom.xml
@@ -30,7 +30,7 @@
 	<parent>
 		<groupId>org.springframework.cloud</groupId>
 		<artifactId>spring-cloud-sleuth-tests-brave</artifactId>
-		<version>3.1.0-M1</version>
+		<version>3.1.0-SNAPSHOT</version>
 		<relativePath>..</relativePath>
 	</parent>
 
diff --git a/tests/brave/spring-cloud-sleuth-instrumentation-rsocket-tests/pom.xml b/tests/brave/spring-cloud-sleuth-instrumentation-rsocket-tests/pom.xml
index 91bd1a653..6c4d6bed6 100644
--- a/tests/brave/spring-cloud-sleuth-instrumentation-rsocket-tests/pom.xml
+++ b/tests/brave/spring-cloud-sleuth-instrumentation-rsocket-tests/pom.xml
@@ -30,7 +30,7 @@
 	<parent>
 		<groupId>org.springframework.cloud</groupId>
 		<artifactId>spring-cloud-sleuth-tests-brave</artifactId>
-		<version>3.1.0-M1</version>
+		<version>3.1.0-SNAPSHOT</version>
 		<relativePath>..</relativePath>
 	</parent>
 
diff --git a/tests/brave/spring-cloud-sleuth-instrumentation-rxjava-tests/pom.xml b/tests/brave/spring-cloud-sleuth-instrumentation-rxjava-tests/pom.xml
index cacc5eb09..0bca13699 100644
--- a/tests/brave/spring-cloud-sleuth-instrumentation-rxjava-tests/pom.xml
+++ b/tests/brave/spring-cloud-sleuth-instrumentation-rxjava-tests/pom.xml
@@ -30,7 +30,7 @@
 	<parent>
 		<groupId>org.springframework.cloud</groupId>
 		<artifactId>spring-cloud-sleuth-tests-brave</artifactId>
-		<version>3.1.0-M1</version>
+		<version>3.1.0-SNAPSHOT</version>
 		<relativePath>..</relativePath>
 	</parent>
 
diff --git a/tests/brave/spring-cloud-sleuth-instrumentation-scheduling-tests/pom.xml b/tests/brave/spring-cloud-sleuth-instrumentation-scheduling-tests/pom.xml
index 6b19e88c5..45d3de776 100644
--- a/tests/brave/spring-cloud-sleuth-instrumentation-scheduling-tests/pom.xml
+++ b/tests/brave/spring-cloud-sleuth-instrumentation-scheduling-tests/pom.xml
@@ -30,7 +30,7 @@
 	<parent>
 		<groupId>org.springframework.cloud</groupId>
 		<artifactId>spring-cloud-sleuth-tests-brave</artifactId>
-		<version>3.1.0-M1</version>
+		<version>3.1.0-SNAPSHOT</version>
 		<relativePath>..</relativePath>
 	</parent>
 
diff --git a/tests/brave/spring-cloud-sleuth-instrumentation-task-tests/pom.xml b/tests/brave/spring-cloud-sleuth-instrumentation-task-tests/pom.xml
index 01ee28d95..667d54797 100644
--- a/tests/brave/spring-cloud-sleuth-instrumentation-task-tests/pom.xml
+++ b/tests/brave/spring-cloud-sleuth-instrumentation-task-tests/pom.xml
@@ -30,7 +30,7 @@
 	<parent>
 		<groupId>org.springframework.cloud</groupId>
 		<artifactId>spring-cloud-sleuth-tests-brave</artifactId>
-		<version>3.1.0-M1</version>
+		<version>3.1.0-SNAPSHOT</version>
 		<relativePath>..</relativePath>
 	</parent>
 
diff --git a/tests/brave/spring-cloud-sleuth-instrumentation-webflux-tests/pom.xml b/tests/brave/spring-cloud-sleuth-instrumentation-webflux-tests/pom.xml
index e9b788e2c..80245b044 100644
--- a/tests/brave/spring-cloud-sleuth-instrumentation-webflux-tests/pom.xml
+++ b/tests/brave/spring-cloud-sleuth-instrumentation-webflux-tests/pom.xml
@@ -30,7 +30,7 @@
 	<parent>
 		<groupId>org.springframework.cloud</groupId>
 		<artifactId>spring-cloud-sleuth-tests-brave</artifactId>
-		<version>3.1.0-M1</version>
+		<version>3.1.0-SNAPSHOT</version>
 		<relativePath>..</relativePath>
 	</parent>
 
diff --git a/tests/brave/spring-cloud-sleuth-zipkin-tests/pom.xml b/tests/brave/spring-cloud-sleuth-zipkin-tests/pom.xml
index 4c19ade6d..e55f844fd 100644
--- a/tests/brave/spring-cloud-sleuth-zipkin-tests/pom.xml
+++ b/tests/brave/spring-cloud-sleuth-zipkin-tests/pom.xml
@@ -30,7 +30,7 @@
 	<parent>
 		<groupId>org.springframework.cloud</groupId>
 		<artifactId>spring-cloud-sleuth-tests-brave</artifactId>
-		<version>3.1.0-M1</version>
+		<version>3.1.0-SNAPSHOT</version>
 		<relativePath>..</relativePath>
 	</parent>
 
diff --git a/tests/common/pom.xml b/tests/common/pom.xml
index b37292237..d6b158acd 100644
--- a/tests/common/pom.xml
+++ b/tests/common/pom.xml
@@ -30,7 +30,7 @@
 	<parent>
 		<groupId>org.springframework.cloud</groupId>
 		<artifactId>spring-cloud-sleuth-tests</artifactId>
-		<version>3.1.0-M1</version>
+		<version>3.1.0-SNAPSHOT</version>
 		<relativePath>..</relativePath>
 	</parent>
 
diff --git a/tests/pom.xml b/tests/pom.xml
index 706b3206f..04b8b898f 100644
--- a/tests/pom.xml
+++ b/tests/pom.xml
@@ -30,7 +30,7 @@
 	<parent>
 		<groupId>org.springframework.cloud</groupId>
 		<artifactId>spring-cloud-sleuth</artifactId>
-		<version>3.1.0-M1</version>
+		<version>3.1.0-SNAPSHOT</version>
 		<relativePath>..</relativePath>
 	</parent>