diff --git a/build.gradle b/build.gradle
index e6aa7a5..873c449 100644
--- a/build.gradle
+++ b/build.gradle
@@ -5,7 +5,7 @@ plugins {
 }
 
 group = 'io.sf.carte'
-version = '5.0'
+version = '5.1-SNAPSHOT'
 
 description = 'css4j-awt'