diff --git a/gradle.properties b/gradle.properties
index f9727bf..1d7c1a6 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -20,7 +20,7 @@ org.gradle.jvmargs=-XX:MaxMetaspaceSize=512m
 kapt.includeCompileClasspath=false
 
 GROUP=com.squareup.moshi
-VERSION_NAME=1.12.0
+VERSION_NAME=1.13.0-SNAPSHOT
 POM_DESCRIPTION=A modern JSON API for Android and Java
 POM_URL=https://github.com/square/moshi/
 POM_SCM_URL=https://github.com/square/moshi/