diff --git a/dnet-dedup-test/pom.xml b/dnet-dedup-test/pom.xml
index 70e97ca..675da32 100644
--- a/dnet-dedup-test/pom.xml
+++ b/dnet-dedup-test/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>eu.dnetlib</groupId>
         <artifactId>dnet-dedup</artifactId>
-        <version>4.0.3</version>
+        <version>4.0.4-SNAPSHOT</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/dnet-pace-core/pom.xml b/dnet-pace-core/pom.xml
index f474e56..1385509 100644
--- a/dnet-pace-core/pom.xml
+++ b/dnet-pace-core/pom.xml
@@ -6,7 +6,7 @@
 	<parent>
 		<groupId>eu.dnetlib</groupId>
 		<artifactId>dnet-dedup</artifactId>
-		<version>4.0.3</version>
+		<version>4.0.4-SNAPSHOT</version>
         <relativePath>../pom.xml</relativePath>
 	</parent>
 
diff --git a/pom.xml b/pom.xml
index 438f7f4..2b78c60 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
 
     <groupId>eu.dnetlib</groupId>
     <artifactId>dnet-dedup</artifactId>
-    <version>4.0.3</version>
+    <version>4.0.4-SNAPSHOT</version>
 
     <packaging>pom</packaging>