set version to 4.0.0-SNAPSHOT
diff --git a/pom.xml b/pom.xml
index e8ac290..e226722 100644
--- a/pom.xml
+++ b/pom.xml
@@ -29,7 +29,7 @@
   </parent>
 
   <artifactId>org.apache.sling.testing.paxexam</artifactId>
-  <version>3.1.1-SNAPSHOT</version>
+  <version>4.0.0-SNAPSHOT</version>
 
   <name>Apache Sling Testing PaxExam</name>
   <description>Test support for use with Pax Exam.</description>