diff --git a/benchmarks/pom.xml b/benchmarks/pom.xml
index 4779a6c611..0f21376e7d 100644
--- a/benchmarks/pom.xml
+++ b/benchmarks/pom.xml
@@ -11,7 +11,7 @@
   <parent>
     <groupId>io.zipkin</groupId>
     <artifactId>zipkin-parent</artifactId>
-    <version>3.4.1</version>
+    <version>3.4.2-SNAPSHOT</version>
   </parent>
 
   <artifactId>benchmarks</artifactId>
diff --git a/pom.xml b/pom.xml
index 379a5816d0..d55e8a80c7 100755
--- a/pom.xml
+++ b/pom.xml
@@ -10,7 +10,7 @@
 
   <groupId>io.zipkin</groupId>
   <artifactId>zipkin-parent</artifactId>
-  <version>3.4.1</version>
+  <version>3.4.2-SNAPSHOT</version>
   <packaging>pom</packaging>
 
   <modules>
@@ -136,7 +136,7 @@
     <url>https://github.com/openzipkin/zipkin</url>
     <connection>scm:git:https://github.com/openzipkin/zipkin.git</connection>
     <developerConnection>scm:git:https://github.com/openzipkin/zipkin.git</developerConnection>
-    <tag>3.4.1</tag>
+    <tag>HEAD</tag>
   </scm>
 
   <!-- Developer section is needed for Maven Central, but doesn't need to include each person -->
diff --git a/zipkin-collector/activemq/pom.xml b/zipkin-collector/activemq/pom.xml
index ac586f494d..0d6383f661 100644
--- a/zipkin-collector/activemq/pom.xml
+++ b/zipkin-collector/activemq/pom.xml
@@ -11,7 +11,7 @@
   <parent>
     <groupId>io.zipkin.zipkin2</groupId>
     <artifactId>zipkin-collector-parent</artifactId>
-    <version>3.4.1</version>
+    <version>3.4.2-SNAPSHOT</version>
   </parent>
 
   <artifactId>zipkin-collector-activemq</artifactId>
diff --git a/zipkin-collector/core/pom.xml b/zipkin-collector/core/pom.xml
index 34311e6b23..d0108ec135 100644
--- a/zipkin-collector/core/pom.xml
+++ b/zipkin-collector/core/pom.xml
@@ -11,7 +11,7 @@
   <parent>
     <groupId>io.zipkin.zipkin2</groupId>
     <artifactId>zipkin-collector-parent</artifactId>
-    <version>3.4.1</version>
+    <version>3.4.2-SNAPSHOT</version>
   </parent>
 
   <artifactId>zipkin-collector</artifactId>
diff --git a/zipkin-collector/kafka/pom.xml b/zipkin-collector/kafka/pom.xml
index 33d4a5a877..bfa8d2d460 100644
--- a/zipkin-collector/kafka/pom.xml
+++ b/zipkin-collector/kafka/pom.xml
@@ -11,7 +11,7 @@
   <parent>
     <groupId>io.zipkin.zipkin2</groupId>
     <artifactId>zipkin-collector-parent</artifactId>
-    <version>3.4.1</version>
+    <version>3.4.2-SNAPSHOT</version>
   </parent>
 
   <artifactId>zipkin-collector-kafka</artifactId>
diff --git a/zipkin-collector/pom.xml b/zipkin-collector/pom.xml
index 824375ae7f..acd4623fbd 100644
--- a/zipkin-collector/pom.xml
+++ b/zipkin-collector/pom.xml
@@ -11,7 +11,7 @@
   <parent>
     <groupId>io.zipkin</groupId>
     <artifactId>zipkin-parent</artifactId>
-    <version>3.4.1</version>
+    <version>3.4.2-SNAPSHOT</version>
   </parent>
 
   <groupId>io.zipkin.zipkin2</groupId>
diff --git a/zipkin-collector/rabbitmq/pom.xml b/zipkin-collector/rabbitmq/pom.xml
index 84f4433ec0..26a63b7092 100644
--- a/zipkin-collector/rabbitmq/pom.xml
+++ b/zipkin-collector/rabbitmq/pom.xml
@@ -11,7 +11,7 @@
   <parent>
     <groupId>io.zipkin.zipkin2</groupId>
     <artifactId>zipkin-collector-parent</artifactId>
-    <version>3.4.1</version>
+    <version>3.4.2-SNAPSHOT</version>
   </parent>
 
   <artifactId>zipkin-collector-rabbitmq</artifactId>
diff --git a/zipkin-collector/scribe/pom.xml b/zipkin-collector/scribe/pom.xml
index cdf5e2bfc3..a94075816a 100644
--- a/zipkin-collector/scribe/pom.xml
+++ b/zipkin-collector/scribe/pom.xml
@@ -11,7 +11,7 @@
   <parent>
     <groupId>io.zipkin.zipkin2</groupId>
     <artifactId>zipkin-collector-parent</artifactId>
-    <version>3.4.1</version>
+    <version>3.4.2-SNAPSHOT</version>
   </parent>
 
   <artifactId>zipkin-collector-scribe</artifactId>
diff --git a/zipkin-junit5/pom.xml b/zipkin-junit5/pom.xml
index dbb40d8ba1..d902854f33 100644
--- a/zipkin-junit5/pom.xml
+++ b/zipkin-junit5/pom.xml
@@ -11,7 +11,7 @@
   <parent>
     <groupId>io.zipkin</groupId>
     <artifactId>zipkin-parent</artifactId>
-    <version>3.4.1</version>
+    <version>3.4.2-SNAPSHOT</version>
   </parent>
 
   <groupId>io.zipkin.zipkin2</groupId>
diff --git a/zipkin-lens/pom.xml b/zipkin-lens/pom.xml
index e0f891e8d9..5bd31b70fb 100644
--- a/zipkin-lens/pom.xml
+++ b/zipkin-lens/pom.xml
@@ -11,7 +11,7 @@
   <parent>
     <groupId>io.zipkin</groupId>
     <artifactId>zipkin-parent</artifactId>
-    <version>3.4.1</version>
+    <version>3.4.2-SNAPSHOT</version>
   </parent>
 
   <artifactId>zipkin-lens</artifactId>
diff --git a/zipkin-server/pom.xml b/zipkin-server/pom.xml
index aeac3f4c37..c8ed0e2dd4 100644
--- a/zipkin-server/pom.xml
+++ b/zipkin-server/pom.xml
@@ -11,7 +11,7 @@
   <parent>
     <groupId>io.zipkin</groupId>
     <artifactId>zipkin-parent</artifactId>
-    <version>3.4.1</version>
+    <version>3.4.2-SNAPSHOT</version>
   </parent>
 
   <artifactId>zipkin-server</artifactId>
diff --git a/zipkin-storage/cassandra/pom.xml b/zipkin-storage/cassandra/pom.xml
index 5d94cbce80..255ee35442 100644
--- a/zipkin-storage/cassandra/pom.xml
+++ b/zipkin-storage/cassandra/pom.xml
@@ -11,7 +11,7 @@
   <parent>
     <groupId>io.zipkin.zipkin2</groupId>
     <artifactId>zipkin-storage-parent</artifactId>
-    <version>3.4.1</version>
+    <version>3.4.2-SNAPSHOT</version>
   </parent>
 
   <artifactId>zipkin-storage-cassandra</artifactId>
diff --git a/zipkin-storage/elasticsearch/pom.xml b/zipkin-storage/elasticsearch/pom.xml
index e30e6515be..9f1181e19a 100644
--- a/zipkin-storage/elasticsearch/pom.xml
+++ b/zipkin-storage/elasticsearch/pom.xml
@@ -11,7 +11,7 @@
   <parent>
     <groupId>io.zipkin.zipkin2</groupId>
     <artifactId>zipkin-storage-parent</artifactId>
-    <version>3.4.1</version>
+    <version>3.4.2-SNAPSHOT</version>
   </parent>
 
   <artifactId>zipkin-storage-elasticsearch</artifactId>
diff --git a/zipkin-storage/mysql-v1/pom.xml b/zipkin-storage/mysql-v1/pom.xml
index 74d1f92685..9190a79c42 100644
--- a/zipkin-storage/mysql-v1/pom.xml
+++ b/zipkin-storage/mysql-v1/pom.xml
@@ -11,7 +11,7 @@
   <parent>
     <groupId>io.zipkin.zipkin2</groupId>
     <artifactId>zipkin-storage-parent</artifactId>
-    <version>3.4.1</version>
+    <version>3.4.2-SNAPSHOT</version>
   </parent>
 
   <artifactId>zipkin-storage-mysql-v1</artifactId>
diff --git a/zipkin-storage/pom.xml b/zipkin-storage/pom.xml
index 17537882a3..c4fa9e7df3 100644
--- a/zipkin-storage/pom.xml
+++ b/zipkin-storage/pom.xml
@@ -11,7 +11,7 @@
   <parent>
     <groupId>io.zipkin</groupId>
     <artifactId>zipkin-parent</artifactId>
-    <version>3.4.1</version>
+    <version>3.4.2-SNAPSHOT</version>
   </parent>
 
   <groupId>io.zipkin.zipkin2</groupId>
diff --git a/zipkin-tests/pom.xml b/zipkin-tests/pom.xml
index 06119ee851..d04be17282 100644
--- a/zipkin-tests/pom.xml
+++ b/zipkin-tests/pom.xml
@@ -11,7 +11,7 @@
   <parent>
     <groupId>io.zipkin</groupId>
     <artifactId>zipkin-parent</artifactId>
-    <version>3.4.1</version>
+    <version>3.4.2-SNAPSHOT</version>
   </parent>
 
   <groupId>io.zipkin.zipkin2</groupId>
diff --git a/zipkin/pom.xml b/zipkin/pom.xml
index 8ae2dacdfa..84a44bfe48 100644
--- a/zipkin/pom.xml
+++ b/zipkin/pom.xml
@@ -11,7 +11,7 @@
   <parent>
     <groupId>io.zipkin</groupId>
     <artifactId>zipkin-parent</artifactId>
-    <version>3.4.1</version>
+    <version>3.4.2-SNAPSHOT</version>
   </parent>
 
   <groupId>io.zipkin.zipkin2</groupId>