diff --git a/benchmarks/pom.xml b/benchmarks/pom.xml
index bb27d48b25e..651cf161e49 100644
--- a/benchmarks/pom.xml
+++ b/benchmarks/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>io.zipkin.java</groupId>
     <artifactId>parent</artifactId>
-    <version>2.2.3</version>
+    <version>2.2.4-SNAPSHOT</version>
   </parent>
 
   <artifactId>benchmarks</artifactId>
diff --git a/pom.xml b/pom.xml
index 58ba17f39e5..9a936113629 100755
--- a/pom.xml
+++ b/pom.xml
@@ -19,7 +19,7 @@
 
   <groupId>io.zipkin.java</groupId>
   <artifactId>parent</artifactId>
-  <version>2.2.3</version>
+  <version>2.2.4-SNAPSHOT</version>
   <packaging>pom</packaging>
 
   <modules>
@@ -113,7 +113,7 @@
     <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>2.2.3</tag>
+    <tag>HEAD</tag>
   </scm>
 
   <!-- Developer section is needed for Maven Central, but doesn't need to include each person -->
diff --git a/zipkin-autoconfigure/collector-kafka/pom.xml b/zipkin-autoconfigure/collector-kafka/pom.xml
index 62212b0c288..33067624c9d 100644
--- a/zipkin-autoconfigure/collector-kafka/pom.xml
+++ b/zipkin-autoconfigure/collector-kafka/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>io.zipkin.java</groupId>
     <artifactId>zipkin-autoconfigure</artifactId>
-    <version>2.2.3</version>
+    <version>2.2.4-SNAPSHOT</version>
   </parent>
 
   <artifactId>zipkin-autoconfigure-collector-kafka</artifactId>
diff --git a/zipkin-autoconfigure/collector-kafka10/pom.xml b/zipkin-autoconfigure/collector-kafka10/pom.xml
index 2efe1712ead..795947646e3 100644
--- a/zipkin-autoconfigure/collector-kafka10/pom.xml
+++ b/zipkin-autoconfigure/collector-kafka10/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>io.zipkin.java</groupId>
     <artifactId>zipkin-autoconfigure</artifactId>
-    <version>2.2.3</version>
+    <version>2.2.4-SNAPSHOT</version>
   </parent>
 
   <artifactId>zipkin-autoconfigure-collector-kafka10</artifactId>
diff --git a/zipkin-autoconfigure/collector-rabbitmq/pom.xml b/zipkin-autoconfigure/collector-rabbitmq/pom.xml
index 58973abd8ab..5e22b0ff2db 100644
--- a/zipkin-autoconfigure/collector-rabbitmq/pom.xml
+++ b/zipkin-autoconfigure/collector-rabbitmq/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>io.zipkin.java</groupId>
     <artifactId>zipkin-autoconfigure</artifactId>
-    <version>2.2.3</version>
+    <version>2.2.4-SNAPSHOT</version>
   </parent>
 
   <artifactId>zipkin-autoconfigure-collector-rabbitmq</artifactId>
diff --git a/zipkin-autoconfigure/collector-scribe/pom.xml b/zipkin-autoconfigure/collector-scribe/pom.xml
index 64f183b5ddd..2618a19bce1 100644
--- a/zipkin-autoconfigure/collector-scribe/pom.xml
+++ b/zipkin-autoconfigure/collector-scribe/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>io.zipkin.java</groupId>
     <artifactId>zipkin-autoconfigure</artifactId>
-    <version>2.2.3</version>
+    <version>2.2.4-SNAPSHOT</version>
   </parent>
 
   <artifactId>zipkin-autoconfigure-collector-scribe</artifactId>
diff --git a/zipkin-autoconfigure/metrics-prometheus/pom.xml b/zipkin-autoconfigure/metrics-prometheus/pom.xml
index c5b5e8d8016..de8697080d5 100644
--- a/zipkin-autoconfigure/metrics-prometheus/pom.xml
+++ b/zipkin-autoconfigure/metrics-prometheus/pom.xml
@@ -18,7 +18,7 @@
   <parent>
     <artifactId>zipkin-autoconfigure</artifactId>
     <groupId>io.zipkin.java</groupId>
-    <version>2.2.3</version>
+    <version>2.2.4-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/zipkin-autoconfigure/pom.xml b/zipkin-autoconfigure/pom.xml
index 2f89b459a11..3914f3c5d19 100644
--- a/zipkin-autoconfigure/pom.xml
+++ b/zipkin-autoconfigure/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>io.zipkin.java</groupId>
     <artifactId>parent</artifactId>
-    <version>2.2.3</version>
+    <version>2.2.4-SNAPSHOT</version>
   </parent>
 
   <artifactId>zipkin-autoconfigure</artifactId>
diff --git a/zipkin-autoconfigure/storage-cassandra/pom.xml b/zipkin-autoconfigure/storage-cassandra/pom.xml
index 5a8d6fdb34e..c6f08ff7201 100644
--- a/zipkin-autoconfigure/storage-cassandra/pom.xml
+++ b/zipkin-autoconfigure/storage-cassandra/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>io.zipkin.java</groupId>
     <artifactId>zipkin-autoconfigure</artifactId>
-    <version>2.2.3</version>
+    <version>2.2.4-SNAPSHOT</version>
   </parent>
 
   <artifactId>zipkin-autoconfigure-storage-cassandra</artifactId>
diff --git a/zipkin-autoconfigure/storage-cassandra3/pom.xml b/zipkin-autoconfigure/storage-cassandra3/pom.xml
index be886720601..741920737e5 100644
--- a/zipkin-autoconfigure/storage-cassandra3/pom.xml
+++ b/zipkin-autoconfigure/storage-cassandra3/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>io.zipkin.java</groupId>
     <artifactId>zipkin-autoconfigure</artifactId>
-    <version>2.2.3</version>
+    <version>2.2.4-SNAPSHOT</version>
   </parent>
 
   <artifactId>zipkin-autoconfigure-storage-cassandra3</artifactId>
diff --git a/zipkin-autoconfigure/storage-elasticsearch-aws/pom.xml b/zipkin-autoconfigure/storage-elasticsearch-aws/pom.xml
index 9fc6d3ec0b3..7daa43f0ba4 100644
--- a/zipkin-autoconfigure/storage-elasticsearch-aws/pom.xml
+++ b/zipkin-autoconfigure/storage-elasticsearch-aws/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>io.zipkin.java</groupId>
     <artifactId>zipkin-autoconfigure</artifactId>
-    <version>2.2.3</version>
+    <version>2.2.4-SNAPSHOT</version>
   </parent>
 
   <artifactId>zipkin-autoconfigure-storage-elasticsearch-aws</artifactId>
diff --git a/zipkin-autoconfigure/storage-elasticsearch-http/pom.xml b/zipkin-autoconfigure/storage-elasticsearch-http/pom.xml
index a56c66e87c4..56feafb8a18 100644
--- a/zipkin-autoconfigure/storage-elasticsearch-http/pom.xml
+++ b/zipkin-autoconfigure/storage-elasticsearch-http/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>io.zipkin.java</groupId>
     <artifactId>zipkin-autoconfigure</artifactId>
-    <version>2.2.3</version>
+    <version>2.2.4-SNAPSHOT</version>
   </parent>
 
   <artifactId>zipkin-autoconfigure-storage-elasticsearch-http</artifactId>
diff --git a/zipkin-autoconfigure/storage-mysql/pom.xml b/zipkin-autoconfigure/storage-mysql/pom.xml
index 869d20bae96..9d968a6edc8 100644
--- a/zipkin-autoconfigure/storage-mysql/pom.xml
+++ b/zipkin-autoconfigure/storage-mysql/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>io.zipkin.java</groupId>
     <artifactId>zipkin-autoconfigure</artifactId>
-    <version>2.2.3</version>
+    <version>2.2.4-SNAPSHOT</version>
   </parent>
 
   <artifactId>zipkin-autoconfigure-storage-mysql</artifactId>
diff --git a/zipkin-autoconfigure/ui/pom.xml b/zipkin-autoconfigure/ui/pom.xml
index aab226c05aa..657890b20ed 100644
--- a/zipkin-autoconfigure/ui/pom.xml
+++ b/zipkin-autoconfigure/ui/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>io.zipkin.java</groupId>
     <artifactId>zipkin-autoconfigure</artifactId>
-    <version>2.2.3</version>
+    <version>2.2.4-SNAPSHOT</version>
   </parent>
 
   <artifactId>zipkin-autoconfigure-ui</artifactId>
diff --git a/zipkin-collector/kafka/pom.xml b/zipkin-collector/kafka/pom.xml
index 1e2ef4cb100..6d705aebd61 100644
--- a/zipkin-collector/kafka/pom.xml
+++ b/zipkin-collector/kafka/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>io.zipkin.java</groupId>
     <artifactId>zipkin-collector</artifactId>
-    <version>2.2.3</version>
+    <version>2.2.4-SNAPSHOT</version>
   </parent>
 
   <artifactId>zipkin-collector-kafka</artifactId>
diff --git a/zipkin-collector/kafka10/pom.xml b/zipkin-collector/kafka10/pom.xml
index cf94130b468..22de5e384eb 100644
--- a/zipkin-collector/kafka10/pom.xml
+++ b/zipkin-collector/kafka10/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>io.zipkin.java</groupId>
     <artifactId>zipkin-collector</artifactId>
-    <version>2.2.3</version>
+    <version>2.2.4-SNAPSHOT</version>
   </parent>
 
   <artifactId>zipkin-collector-kafka10</artifactId>
diff --git a/zipkin-collector/pom.xml b/zipkin-collector/pom.xml
index 6eb0a6745d7..bd7b3ed1b77 100644
--- a/zipkin-collector/pom.xml
+++ b/zipkin-collector/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>io.zipkin.java</groupId>
     <artifactId>parent</artifactId>
-    <version>2.2.3</version>
+    <version>2.2.4-SNAPSHOT</version>
   </parent>
 
   <artifactId>zipkin-collector</artifactId>
diff --git a/zipkin-collector/rabbitmq/pom.xml b/zipkin-collector/rabbitmq/pom.xml
index cb5348ae9ec..dc3818ec181 100644
--- a/zipkin-collector/rabbitmq/pom.xml
+++ b/zipkin-collector/rabbitmq/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>io.zipkin.java</groupId>
     <artifactId>zipkin-collector</artifactId>
-    <version>2.2.3</version>
+    <version>2.2.4-SNAPSHOT</version>
   </parent>
 
   <artifactId>zipkin-collector-rabbitmq</artifactId>
diff --git a/zipkin-collector/scribe/pom.xml b/zipkin-collector/scribe/pom.xml
index 85dc48d61f0..60221683b9b 100644
--- a/zipkin-collector/scribe/pom.xml
+++ b/zipkin-collector/scribe/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>io.zipkin.java</groupId>
     <artifactId>zipkin-collector</artifactId>
-    <version>2.2.3</version>
+    <version>2.2.4-SNAPSHOT</version>
   </parent>
 
   <artifactId>zipkin-collector-scribe</artifactId>
diff --git a/zipkin-guava/pom.xml b/zipkin-guava/pom.xml
index ff513f66ab0..7de0222edb5 100644
--- a/zipkin-guava/pom.xml
+++ b/zipkin-guava/pom.xml
@@ -18,7 +18,7 @@
   <parent>
     <groupId>io.zipkin.java</groupId>
     <artifactId>parent</artifactId>
-    <version>2.2.3</version>
+    <version>2.2.4-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/zipkin-junit/pom.xml b/zipkin-junit/pom.xml
index c125e46e1f3..c607d2087de 100644
--- a/zipkin-junit/pom.xml
+++ b/zipkin-junit/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>io.zipkin.java</groupId>
     <artifactId>parent</artifactId>
-    <version>2.2.3</version>
+    <version>2.2.4-SNAPSHOT</version>
   </parent>
 
   <artifactId>zipkin-junit</artifactId>
diff --git a/zipkin-server/pom.xml b/zipkin-server/pom.xml
index 3109484a1f4..167ff366e18 100644
--- a/zipkin-server/pom.xml
+++ b/zipkin-server/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>io.zipkin.java</groupId>
     <artifactId>parent</artifactId>
-    <version>2.2.3</version>
+    <version>2.2.4-SNAPSHOT</version>
   </parent>
 
   <artifactId>zipkin-server</artifactId>
diff --git a/zipkin-storage/cassandra/pom.xml b/zipkin-storage/cassandra/pom.xml
index a63dd466900..dd5e2f7b691 100644
--- a/zipkin-storage/cassandra/pom.xml
+++ b/zipkin-storage/cassandra/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>io.zipkin.java</groupId>
     <artifactId>zipkin-storage</artifactId>
-    <version>2.2.3</version>
+    <version>2.2.4-SNAPSHOT</version>
   </parent>
 
   <artifactId>zipkin-storage-cassandra</artifactId>
diff --git a/zipkin-storage/cassandra3/pom.xml b/zipkin-storage/cassandra3/pom.xml
index b29f3bc2e9b..eda1659d412 100644
--- a/zipkin-storage/cassandra3/pom.xml
+++ b/zipkin-storage/cassandra3/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>io.zipkin.java</groupId>
     <artifactId>zipkin-storage</artifactId>
-    <version>2.2.3</version>
+    <version>2.2.4-SNAPSHOT</version>
   </parent>
 
   <artifactId>zipkin-storage-cassandra3</artifactId>
diff --git a/zipkin-storage/elasticsearch-http/pom.xml b/zipkin-storage/elasticsearch-http/pom.xml
index 2df0a198e1c..ce2d61185e9 100644
--- a/zipkin-storage/elasticsearch-http/pom.xml
+++ b/zipkin-storage/elasticsearch-http/pom.xml
@@ -18,7 +18,7 @@
   <parent>
     <groupId>io.zipkin.java</groupId>
     <artifactId>zipkin-storage</artifactId>
-    <version>2.2.3</version>
+    <version>2.2.4-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/zipkin-storage/elasticsearch/pom.xml b/zipkin-storage/elasticsearch/pom.xml
index 64621358380..9530c5b16a7 100644
--- a/zipkin-storage/elasticsearch/pom.xml
+++ b/zipkin-storage/elasticsearch/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>io.zipkin.java</groupId>
     <artifactId>zipkin-storage</artifactId>
-    <version>2.2.3</version>
+    <version>2.2.4-SNAPSHOT</version>
   </parent>
 
   <groupId>io.zipkin.zipkin2</groupId>
diff --git a/zipkin-storage/mysql/pom.xml b/zipkin-storage/mysql/pom.xml
index 69e761aeb4b..bd0c7efec89 100644
--- a/zipkin-storage/mysql/pom.xml
+++ b/zipkin-storage/mysql/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>io.zipkin.java</groupId>
     <artifactId>zipkin-storage</artifactId>
-    <version>2.2.3</version>
+    <version>2.2.4-SNAPSHOT</version>
   </parent>
 
   <artifactId>zipkin-storage-mysql</artifactId>
diff --git a/zipkin-storage/pom.xml b/zipkin-storage/pom.xml
index ff4aed27958..de9345b9ea3 100644
--- a/zipkin-storage/pom.xml
+++ b/zipkin-storage/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>io.zipkin.java</groupId>
     <artifactId>parent</artifactId>
-    <version>2.2.3</version>
+    <version>2.2.4-SNAPSHOT</version>
   </parent>
 
   <artifactId>zipkin-storage</artifactId>
diff --git a/zipkin-ui/pom.xml b/zipkin-ui/pom.xml
index 2574bdd85ea..1042fb80701 100644
--- a/zipkin-ui/pom.xml
+++ b/zipkin-ui/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>io.zipkin.java</groupId>
     <artifactId>parent</artifactId>
-    <version>2.2.3</version>
+    <version>2.2.4-SNAPSHOT</version>
   </parent>
 
   <artifactId>zipkin-ui</artifactId>
diff --git a/zipkin-zookeeper/pom.xml b/zipkin-zookeeper/pom.xml
index 2963a2f79e8..7409f0f781e 100644
--- a/zipkin-zookeeper/pom.xml
+++ b/zipkin-zookeeper/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>io.zipkin.java</groupId>
     <artifactId>parent</artifactId>
-    <version>2.2.3</version>
+    <version>2.2.4-SNAPSHOT</version>
   </parent>
 
   <artifactId>zipkin-zookeeper</artifactId>
diff --git a/zipkin/pom.xml b/zipkin/pom.xml
index 3b871e7abca..38b0e82363a 100644
--- a/zipkin/pom.xml
+++ b/zipkin/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>io.zipkin.java</groupId>
     <artifactId>parent</artifactId>
-    <version>2.2.3</version>
+    <version>2.2.4-SNAPSHOT</version>
   </parent>
 
   <artifactId>zipkin</artifactId>
diff --git a/zipkin2/pom.xml b/zipkin2/pom.xml
index 05c679644e4..8991449872e 100644
--- a/zipkin2/pom.xml
+++ b/zipkin2/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>io.zipkin.java</groupId>
     <artifactId>parent</artifactId>
-    <version>2.2.3</version>
+    <version>2.2.4-SNAPSHOT</version>
   </parent>
 
   <groupId>io.zipkin.zipkin2</groupId>