diff --git a/pom.xml b/pom.xml
index 9f0733a..77bd271 100644
--- a/pom.xml
+++ b/pom.xml
@@ -10,7 +10,7 @@
   <groupId>com.threerings</groupId>
   <artifactId>ooo-util</artifactId>
   <packaging>jar</packaging>
-  <version>1.3.3</version>
+  <version>1.4-SNAPSHOT</version>
 
   <name>ooo-util</name>
   <description>A place for OOO utilities.</description>