diff --git a/pom.xml b/pom.xml
index 912ed71..6857d45 100644
--- a/pom.xml
+++ b/pom.xml
@@ -23,7 +23,7 @@
 
   <groupId>com.google.turbine</groupId>
   <artifactId>turbine</artifactId>
-  <version>HEAD-SNAPSHOT</version>
+  <version>0.4.0</version>
 
   <name>turbine</name>
   <description>turbine is a header compiler for Java</description>