diff --git a/src/main/java/com/conveyal/r5/kryo/KryoNetworkSerializer.java b/src/main/java/com/conveyal/r5/kryo/KryoNetworkSerializer.java
index 3f9f481ad..69841f81b 100644
--- a/src/main/java/com/conveyal/r5/kryo/KryoNetworkSerializer.java
+++ b/src/main/java/com/conveyal/r5/kryo/KryoNetworkSerializer.java
@@ -53,7 +53,7 @@ public abstract class KryoNetworkSerializer {
      * When prototyping new features, use a unique identifier such as the branch or a commit ID, not sequential nvX ones.
      * This avoids conflicts when multiple changes are combined in a single production release, or some are abandoned.
      */
-    public static final String NETWORK_FORMAT_VERSION = "48797a5a";
+    public static final String NETWORK_FORMAT_VERSION = "b9dab239";
 
     public static final byte[] HEADER = "R5NETWORK".getBytes();