diff --git a/dnet-dedup-test/pom.xml b/dnet-dedup-test/pom.xml
index 1471e4f..872f9af 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>3.0.4-SNAPSHOT</version>
+        <version>3.0.4</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/dnet-pace-core/pom.xml b/dnet-pace-core/pom.xml
index ec59151..9d9ef29 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>3.0.4-SNAPSHOT</version>
+		<version>3.0.4</version>
         <relativePath>../pom.xml</relativePath>
 	</parent>
 
diff --git a/pom.xml b/pom.xml
index 16592b9..6a7ecd6 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
 
     <groupId>eu.dnetlib</groupId>
     <artifactId>dnet-dedup</artifactId>
-    <version>3.0.4-SNAPSHOT</version>
+    <version>3.0.4</version>
 
     <packaging>pom</packaging>
 
@@ -22,7 +22,7 @@
 
     <scm>
         <developerConnection>scm:git:https://github.com/dnet-team/dnet-dedup.git</developerConnection>
-        <tag>HEAD</tag>
+        <tag>dnet-dedup-3.0.4</tag>
     </scm>
 
     <modules>