diff --git a/README.adoc b/README.adoc
index ab8207b34..4b30082a6 100644
--- a/README.adoc
+++ b/README.adoc
@@ -322,7 +322,6 @@ Example of setting baggage on a span:
 ----
 Span initialSpan = this.tracer.createSpan("span");
 initialSpan.setBaggageItem("foo", "bar");
-initialSpan.setBaggageItem("UPPER_CASE", "someValue");
 ----
 
 ===== Baggage vs. Span Tags
diff --git a/benchmarks/pom.xml b/benchmarks/pom.xml
index 8fa9318a2..eaac8146e 100644
--- a/benchmarks/pom.xml
+++ b/benchmarks/pom.xml
@@ -17,7 +17,7 @@
 	<name>Benchmarks</name>
 	<description>Benchmarks (JMH)</description>
 	<groupId>org.springframework.cloud</groupId>
-	<version>1.2.3.RELEASE</version>
+	<version>1.2.3.BUILD-SNAPSHOT</version>
 	<artifactId>benchmarks</artifactId>
 
 	<properties>
diff --git a/docs/pom.xml b/docs/pom.xml
index 510500130..b61255ca1 100644
--- a/docs/pom.xml
+++ b/docs/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>org.springframework.cloud</groupId>
 		<artifactId>spring-cloud-sleuth</artifactId>
-		<version>1.2.3.RELEASE</version>
+		<version>1.2.3.BUILD-SNAPSHOT</version>
 	</parent>
 	<artifactId>spring-cloud-sleuth-docs</artifactId>
 	<packaging>pom</packaging>
diff --git a/pom.xml b/pom.xml
index e422e40c4..15d8c3ce6 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
 	<modelVersion>4.0.0</modelVersion>
 
 	<artifactId>spring-cloud-sleuth</artifactId>
-	<version>1.2.3.RELEASE</version>
+	<version>1.2.3.BUILD-SNAPSHOT</version>
 	<packaging>pom</packaging>
 	<name>Spring Cloud Sleuth</name>
 	<description>Spring Cloud Sleuth</description>
@@ -235,9 +235,9 @@
 		<surefire.plugin.version>2.19.1</surefire.plugin.version>
 		<checkstyle.version>2.17</checkstyle.version>
 		<spring-cloud-build.version>1.3.3.BUILD-SNAPSHOT</spring-cloud-build.version>
-		<spring-cloud-commons.version>1.2.3.RELEASE</spring-cloud-commons.version>
+		<spring-cloud-commons.version>1.2.4.BUILD-SNAPSHOT</spring-cloud-commons.version>
 		<spring-cloud-stream.version>Chelsea.SR2</spring-cloud-stream.version>
-		<spring-cloud-netflix.version>1.3.3.RELEASE</spring-cloud-netflix.version>
+		<spring-cloud-netflix.version>1.3.3.BUILD-SNAPSHOT</spring-cloud-netflix.version>
 	</properties>
 
 	<profiles>
diff --git a/spring-cloud-sleuth-core/pom.xml b/spring-cloud-sleuth-core/pom.xml
index b5c794ead..88e0c1f65 100644
--- a/spring-cloud-sleuth-core/pom.xml
+++ b/spring-cloud-sleuth-core/pom.xml
@@ -11,7 +11,7 @@
 	<parent>
 		<groupId>org.springframework.cloud</groupId>
 		<artifactId>spring-cloud-sleuth</artifactId>
-		<version>1.2.3.RELEASE</version>
+		<version>1.2.3.BUILD-SNAPSHOT</version>
 		<relativePath>..</relativePath>
 	</parent>
 
diff --git a/spring-cloud-sleuth-dependencies/pom.xml b/spring-cloud-sleuth-dependencies/pom.xml
index 6580f1900..af33392b0 100644
--- a/spring-cloud-sleuth-dependencies/pom.xml
+++ b/spring-cloud-sleuth-dependencies/pom.xml
@@ -9,7 +9,7 @@
         <relativePath/>
 	</parent>
 	<artifactId>spring-cloud-sleuth-dependencies</artifactId>
-	<version>1.2.3.RELEASE</version>
+	<version>1.2.3.BUILD-SNAPSHOT</version>
 	<packaging>pom</packaging>
 	<name>spring-cloud-sleuth-dependencies</name>
 	<description>Spring Cloud Sleuth Dependencies</description>
diff --git a/spring-cloud-sleuth-samples/pom.xml b/spring-cloud-sleuth-samples/pom.xml
index 3757fc100..3d15e8c33 100644
--- a/spring-cloud-sleuth-samples/pom.xml
+++ b/spring-cloud-sleuth-samples/pom.xml
@@ -12,7 +12,7 @@
 	<parent>
 		<groupId>org.springframework.cloud</groupId>
 		<artifactId>spring-cloud-sleuth</artifactId>
-		<version>1.2.3.RELEASE</version>
+		<version>1.2.3.BUILD-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 660a82345..ae9de5a06 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
@@ -20,7 +20,7 @@
 	<parent>
 		<groupId>org.springframework.cloud</groupId>
 		<artifactId>spring-cloud-sleuth-samples</artifactId>
-		<version>1.2.3.RELEASE</version>
+		<version>1.2.3.BUILD-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 51144a62e..a3dc84bce 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>1.2.3.RELEASE</version>
+		<version>1.2.3.BUILD-SNAPSHOT</version>
 		<relativePath>..</relativePath>
 	</parent>
 
diff --git a/spring-cloud-sleuth-samples/spring-cloud-sleuth-sample-ribbon/pom.xml b/spring-cloud-sleuth-samples/spring-cloud-sleuth-sample-ribbon/pom.xml
index f654e365b..f198b7b4e 100644
--- a/spring-cloud-sleuth-samples/spring-cloud-sleuth-sample-ribbon/pom.xml
+++ b/spring-cloud-sleuth-samples/spring-cloud-sleuth-sample-ribbon/pom.xml
@@ -28,7 +28,7 @@
 	<parent>
 		<groupId>org.springframework.cloud</groupId>
 		<artifactId>spring-cloud-sleuth-samples</artifactId>
-		<version>1.2.3.RELEASE</version>
+		<version>1.2.3.BUILD-SNAPSHOT</version>
 		<relativePath>..</relativePath>
 	</parent>
 
diff --git a/spring-cloud-sleuth-samples/spring-cloud-sleuth-sample-stream/pom.xml b/spring-cloud-sleuth-samples/spring-cloud-sleuth-sample-stream/pom.xml
index 525947cea..ed8e6a662 100644
--- a/spring-cloud-sleuth-samples/spring-cloud-sleuth-sample-stream/pom.xml
+++ b/spring-cloud-sleuth-samples/spring-cloud-sleuth-sample-stream/pom.xml
@@ -28,7 +28,7 @@
 	<parent>
 		<groupId>org.springframework.cloud</groupId>
 		<artifactId>spring-cloud-sleuth-samples</artifactId>
-		<version>1.2.3.RELEASE</version>
+		<version>1.2.3.BUILD-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 19643bef5..c862374d5 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>1.2.3.RELEASE</version>
+		<version>1.2.3.BUILD-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 e5734543c..386be1571 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>1.2.3.RELEASE</version>
+		<version>1.2.3.BUILD-SNAPSHOT</version>
 		<relativePath>..</relativePath>
 	</parent>
 
diff --git a/spring-cloud-sleuth-samples/spring-cloud-sleuth-sample-zipkin-stream/pom.xml b/spring-cloud-sleuth-samples/spring-cloud-sleuth-sample-zipkin-stream/pom.xml
index b5f580a5b..07731a621 100644
--- a/spring-cloud-sleuth-samples/spring-cloud-sleuth-sample-zipkin-stream/pom.xml
+++ b/spring-cloud-sleuth-samples/spring-cloud-sleuth-sample-zipkin-stream/pom.xml
@@ -28,7 +28,7 @@
 	<parent>
 		<groupId>org.springframework.cloud</groupId>
 		<artifactId>spring-cloud-sleuth-samples</artifactId>
-		<version>1.2.3.RELEASE</version>
+		<version>1.2.3.BUILD-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 995672ec0..d6f663dfd 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
@@ -27,7 +27,7 @@
 	<parent>
 		<groupId>org.springframework.cloud</groupId>
 		<artifactId>spring-cloud-sleuth-samples</artifactId>
-		<version>1.2.3.RELEASE</version>
+		<version>1.2.3.BUILD-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 40daa2e42..6a25c5a93 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>1.2.3.RELEASE</version>
+		<version>1.2.3.BUILD-SNAPSHOT</version>
 		<relativePath>..</relativePath>
 	</parent>
 
diff --git a/spring-cloud-sleuth-stream/pom.xml b/spring-cloud-sleuth-stream/pom.xml
index 0bede47f6..14868e661 100644
--- a/spring-cloud-sleuth-stream/pom.xml
+++ b/spring-cloud-sleuth-stream/pom.xml
@@ -12,7 +12,7 @@
 	<parent>
 		<groupId>org.springframework.cloud</groupId>
 		<artifactId>spring-cloud-sleuth</artifactId>
-		<version>1.2.3.RELEASE</version>
+		<version>1.2.3.BUILD-SNAPSHOT</version>
 	</parent>
 
 	<dependencies>
diff --git a/spring-cloud-sleuth-zipkin-stream/pom.xml b/spring-cloud-sleuth-zipkin-stream/pom.xml
index bb40f5ceb..820ccd142 100644
--- a/spring-cloud-sleuth-zipkin-stream/pom.xml
+++ b/spring-cloud-sleuth-zipkin-stream/pom.xml
@@ -12,7 +12,7 @@
 	<parent>
 		<groupId>org.springframework.cloud</groupId>
 		<artifactId>spring-cloud-sleuth</artifactId>
-		<version>1.2.3.RELEASE</version>
+		<version>1.2.3.BUILD-SNAPSHOT</version>
 	</parent>
 
 	<properties>
diff --git a/spring-cloud-sleuth-zipkin/pom.xml b/spring-cloud-sleuth-zipkin/pom.xml
index ee475a76b..c6448f830 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>1.2.3.RELEASE</version>
+		<version>1.2.3.BUILD-SNAPSHOT</version>
 		<relativePath>..</relativePath>
 	</parent>
 
diff --git a/spring-cloud-starter-sleuth/pom.xml b/spring-cloud-starter-sleuth/pom.xml
index bc0cead77..b7d918cf2 100644
--- a/spring-cloud-starter-sleuth/pom.xml
+++ b/spring-cloud-starter-sleuth/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>org.springframework.cloud</groupId>
 		<artifactId>spring-cloud-sleuth</artifactId>
-		<version>1.2.3.RELEASE</version>
+		<version>1.2.3.BUILD-SNAPSHOT</version>
 		<relativePath>..</relativePath>
 	</parent>
 	<artifactId>spring-cloud-starter-sleuth</artifactId>
diff --git a/spring-cloud-starter-zipkin/pom.xml b/spring-cloud-starter-zipkin/pom.xml
index 131d98a7e..a93a5a15f 100644
--- a/spring-cloud-starter-zipkin/pom.xml
+++ b/spring-cloud-starter-zipkin/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>org.springframework.cloud</groupId>
 		<artifactId>spring-cloud-sleuth</artifactId>
-		<version>1.2.3.RELEASE</version>
+		<version>1.2.3.BUILD-SNAPSHOT</version>
 		<relativePath>..</relativePath>
 	</parent>
 	<artifactId>spring-cloud-starter-zipkin</artifactId>