diff --git a/onebusaway-collections/pom.xml b/onebusaway-collections/pom.xml
index 000cf8ae..2484a0e7 100644
--- a/onebusaway-collections/pom.xml
+++ b/onebusaway-collections/pom.xml
@@ -10,7 +10,7 @@
   <parent>
     <groupId>org.onebusaway</groupId>
     <artifactId>onebusaway-gtfs-modules</artifactId>
-    <version>4.2.0</version>
+    <version>4.2.1-SNAPSHOT</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/onebusaway-csv-entities/pom.xml b/onebusaway-csv-entities/pom.xml
index 9cea0542..2e01cea1 100644
--- a/onebusaway-csv-entities/pom.xml
+++ b/onebusaway-csv-entities/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>org.onebusaway</groupId>
     <artifactId>onebusaway-gtfs-modules</artifactId>
-    <version>4.2.0</version>
+    <version>4.2.1-SNAPSHOT</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/onebusaway-gtfs-hibernate-cli/pom.xml b/onebusaway-gtfs-hibernate-cli/pom.xml
index 6c3a964f..04503b19 100644
--- a/onebusaway-gtfs-hibernate-cli/pom.xml
+++ b/onebusaway-gtfs-hibernate-cli/pom.xml
@@ -3,7 +3,7 @@
   <parent>
     <groupId>org.onebusaway</groupId>
     <artifactId>onebusaway-gtfs-modules</artifactId>
-    <version>4.2.0</version>
+    <version>4.2.1-SNAPSHOT</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
   <artifactId>onebusaway-gtfs-hibernate-cli</artifactId>
diff --git a/onebusaway-gtfs-hibernate/pom.xml b/onebusaway-gtfs-hibernate/pom.xml
index 7d0d83bc..a55eebba 100644
--- a/onebusaway-gtfs-hibernate/pom.xml
+++ b/onebusaway-gtfs-hibernate/pom.xml
@@ -9,7 +9,7 @@
   <parent>
     <groupId>org.onebusaway</groupId>
     <artifactId>onebusaway-gtfs-modules</artifactId>
-    <version>4.2.0</version>
+    <version>4.2.1-SNAPSHOT</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/onebusaway-gtfs-merge-cli/pom.xml b/onebusaway-gtfs-merge-cli/pom.xml
index 56e8085b..3535350e 100644
--- a/onebusaway-gtfs-merge-cli/pom.xml
+++ b/onebusaway-gtfs-merge-cli/pom.xml
@@ -3,7 +3,7 @@
   <parent>
     <artifactId>onebusaway-gtfs-modules</artifactId>
     <groupId>org.onebusaway</groupId>
-    <version>4.2.0</version>
+    <version>4.2.1-SNAPSHOT</version>
     <relativePath>..</relativePath>
   </parent>
   <artifactId>onebusaway-gtfs-merge-cli</artifactId>
diff --git a/onebusaway-gtfs-merge/pom.xml b/onebusaway-gtfs-merge/pom.xml
index 54fdef6b..bdbe0b58 100644
--- a/onebusaway-gtfs-merge/pom.xml
+++ b/onebusaway-gtfs-merge/pom.xml
@@ -3,7 +3,7 @@
   <parent>
     <artifactId>onebusaway-gtfs-modules</artifactId>
     <groupId>org.onebusaway</groupId>
-    <version>4.2.0</version>
+    <version>4.2.1-SNAPSHOT</version>
     <relativePath>..</relativePath>
   </parent>
   <artifactId>onebusaway-gtfs-merge</artifactId>
diff --git a/onebusaway-gtfs-transformer-cli/pom.xml b/onebusaway-gtfs-transformer-cli/pom.xml
index a94cfe6e..ba5cf3b9 100644
--- a/onebusaway-gtfs-transformer-cli/pom.xml
+++ b/onebusaway-gtfs-transformer-cli/pom.xml
@@ -9,7 +9,7 @@
   <parent>
     <groupId>org.onebusaway</groupId>
     <artifactId>onebusaway-gtfs-modules</artifactId>
-    <version>4.2.0</version>
+    <version>4.2.1-SNAPSHOT</version>
   </parent>
 
   <dependencies>
diff --git a/onebusaway-gtfs-transformer/pom.xml b/onebusaway-gtfs-transformer/pom.xml
index b4245399..3398e894 100644
--- a/onebusaway-gtfs-transformer/pom.xml
+++ b/onebusaway-gtfs-transformer/pom.xml
@@ -9,7 +9,7 @@
   <parent>
     <groupId>org.onebusaway</groupId>
     <artifactId>onebusaway-gtfs-modules</artifactId>
-    <version>4.2.0</version>
+    <version>4.2.1-SNAPSHOT</version>
   </parent>
 
   <repositories>
diff --git a/onebusaway-gtfs/pom.xml b/onebusaway-gtfs/pom.xml
index 4b72c460..11d5f367 100644
--- a/onebusaway-gtfs/pom.xml
+++ b/onebusaway-gtfs/pom.xml
@@ -9,7 +9,7 @@
   <parent>
     <groupId>org.onebusaway</groupId>
     <artifactId>onebusaway-gtfs-modules</artifactId>
-    <version>4.2.0</version>
+    <version>4.2.1-SNAPSHOT</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/pom.xml b/pom.xml
index 0b571ec4..6e8ae48d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -3,7 +3,7 @@
 
   <groupId>org.onebusaway</groupId>
   <artifactId>onebusaway-gtfs-modules</artifactId>
-  <version>4.2.0</version>
+  <version>4.2.1-SNAPSHOT</version>
   <packaging>pom</packaging>
 
   <name>onebusaway-gtfs-modules</name>
@@ -38,7 +38,7 @@
     <connection>scm:git:https://github.com/OneBusAway/onebusaway-gtfs-modules.git</connection>
     <developerConnection>scm:git:ssh://git@github.com/OneBusAway/onebusaway-gtfs-modules.git</developerConnection>
     <url>https://github.com/OneBusAway/onebusaway-gtfs-modules</url>
-    <tag>v4.2.0</tag>
+    <tag>HEAD</tag>
   </scm>
 
   <issueManagement>