diff --git a/pom.xml b/pom.xml
index 24c6c659e..05d074d1e 100644
--- a/pom.xml
+++ b/pom.xml
@@ -8,7 +8,7 @@
 
   <groupId>com.conveyal</groupId>
   <artifactId>gtfs-lib</artifactId>
-  <version>4.2.1-SNAPSHOT</version>
+  <version>4.2.1</version>
   <packaging>jar</packaging>
 
   <licenses>