diff --git a/dhp-build/dhp-build-assembly-resources/pom.xml b/dhp-build/dhp-build-assembly-resources/pom.xml
index 0c4637def..99e4593fd 100644
--- a/dhp-build/dhp-build-assembly-resources/pom.xml
+++ b/dhp-build/dhp-build-assembly-resources/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>eu.dnetlib.dhp</groupId>
         <artifactId>dhp-build</artifactId>
-        <version>1.1.6-SNAPSHOT</version>
+        <version>1.1.6</version>
     </parent>
 
     <artifactId>dhp-build-assembly-resources</artifactId>
diff --git a/dhp-build/dhp-build-properties-maven-plugin/pom.xml b/dhp-build/dhp-build-properties-maven-plugin/pom.xml
index 308d78715..45b3c22e6 100644
--- a/dhp-build/dhp-build-properties-maven-plugin/pom.xml
+++ b/dhp-build/dhp-build-properties-maven-plugin/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>eu.dnetlib.dhp</groupId>
         <artifactId>dhp-build</artifactId>
-        <version>1.1.6-SNAPSHOT</version>
+        <version>1.1.6</version>
     </parent>
 
     <artifactId>dhp-build-properties-maven-plugin</artifactId>
@@ -102,7 +102,7 @@
         								</goals>
         							</pluginExecutionFilter>
         							<action>
-        								<ignore></ignore>
+        								<ignore />
         							</action>
         						</pluginExecution>
         					</pluginExecutions>
diff --git a/dhp-build/pom.xml b/dhp-build/pom.xml
index e471af76d..f9545eab4 100644
--- a/dhp-build/pom.xml
+++ b/dhp-build/pom.xml
@@ -4,7 +4,7 @@
 	<parent>
 		<groupId>eu.dnetlib.dhp</groupId>
 		<artifactId>dhp</artifactId>
-		<version>1.1.6-SNAPSHOT</version>
+		<version>1.1.6</version>
 	</parent>
 	<artifactId>dhp-build</artifactId>
 	<packaging>pom</packaging>
diff --git a/dhp-common/pom.xml b/dhp-common/pom.xml
index f6283d450..b92159b39 100644
--- a/dhp-common/pom.xml
+++ b/dhp-common/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>eu.dnetlib.dhp</groupId>
 		<artifactId>dhp</artifactId>
-		<version>1.1.6-SNAPSHOT</version>
+		<version>1.1.6</version>
 		<relativePath>../</relativePath>
 	</parent>
 
diff --git a/dhp-schemas/pom.xml b/dhp-schemas/pom.xml
index a85c0dd23..e124829e3 100644
--- a/dhp-schemas/pom.xml
+++ b/dhp-schemas/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>eu.dnetlib.dhp</groupId>
         <artifactId>dhp</artifactId>
-        <version>1.1.6-SNAPSHOT</version>
+        <version>1.1.6</version>
         <relativePath>../</relativePath>
     </parent>
 
diff --git a/dhp-workflows/dhp-aggregation/pom.xml b/dhp-workflows/dhp-aggregation/pom.xml
index 95e957847..c70ca3903 100644
--- a/dhp-workflows/dhp-aggregation/pom.xml
+++ b/dhp-workflows/dhp-aggregation/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>eu.dnetlib.dhp</groupId>
         <artifactId>dhp-workflows</artifactId>
-        <version>1.1.6-SNAPSHOT</version>
+        <version>1.1.6</version>
     </parent>
     <artifactId>dhp-aggregation</artifactId>
     
diff --git a/dhp-workflows/dhp-dedup-openaire/pom.xml b/dhp-workflows/dhp-dedup-openaire/pom.xml
index a4793da89..ae6bbece5 100644
--- a/dhp-workflows/dhp-dedup-openaire/pom.xml
+++ b/dhp-workflows/dhp-dedup-openaire/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <artifactId>dhp-workflows</artifactId>
         <groupId>eu.dnetlib.dhp</groupId>
-        <version>1.1.6-SNAPSHOT</version>
+        <version>1.1.6</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>dhp-dedup-openaire</artifactId>
diff --git a/dhp-workflows/dhp-dedup-scholexplorer/pom.xml b/dhp-workflows/dhp-dedup-scholexplorer/pom.xml
index 387952e33..bb059e169 100644
--- a/dhp-workflows/dhp-dedup-scholexplorer/pom.xml
+++ b/dhp-workflows/dhp-dedup-scholexplorer/pom.xml
@@ -1,10 +1,9 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <parent>
         <artifactId>dhp-workflows</artifactId>
         <groupId>eu.dnetlib.dhp</groupId>
-        <version>1.1.6-SNAPSHOT</version>
+        <version>1.1.6</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/dhp-workflows/dhp-distcp/pom.xml b/dhp-workflows/dhp-distcp/pom.xml
index c3f09b42c..de3c5babc 100644
--- a/dhp-workflows/dhp-distcp/pom.xml
+++ b/dhp-workflows/dhp-distcp/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <artifactId>dhp-workflows</artifactId>
         <groupId>eu.dnetlib.dhp</groupId>
-        <version>1.1.6-SNAPSHOT</version>
+        <version>1.1.6</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/dhp-workflows/dhp-graph-mapper/pom.xml b/dhp-workflows/dhp-graph-mapper/pom.xml
index 03b6d0052..63e2c94fe 100644
--- a/dhp-workflows/dhp-graph-mapper/pom.xml
+++ b/dhp-workflows/dhp-graph-mapper/pom.xml
@@ -1,10 +1,9 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <parent>
         <artifactId>dhp-workflows</artifactId>
         <groupId>eu.dnetlib.dhp</groupId>
-        <version>1.1.6-SNAPSHOT</version>
+        <version>1.1.6</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/dhp-workflows/dhp-graph-provision-scholexplorer/pom.xml b/dhp-workflows/dhp-graph-provision-scholexplorer/pom.xml
index bb41858a6..7dd57ebf6 100644
--- a/dhp-workflows/dhp-graph-provision-scholexplorer/pom.xml
+++ b/dhp-workflows/dhp-graph-provision-scholexplorer/pom.xml
@@ -1,10 +1,9 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <parent>
         <artifactId>dhp-workflows</artifactId>
         <groupId>eu.dnetlib.dhp</groupId>
-        <version>1.1.6-SNAPSHOT</version>
+        <version>1.1.6</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/dhp-workflows/dhp-graph-provision/pom.xml b/dhp-workflows/dhp-graph-provision/pom.xml
index ac4e01d21..fb4bac3c7 100644
--- a/dhp-workflows/dhp-graph-provision/pom.xml
+++ b/dhp-workflows/dhp-graph-provision/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <artifactId>dhp-workflows</artifactId>
         <groupId>eu.dnetlib.dhp</groupId>
-        <version>1.1.6-SNAPSHOT</version>
+        <version>1.1.6</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/dhp-workflows/pom.xml b/dhp-workflows/pom.xml
index 433cf1fa9..45f705cf9 100644
--- a/dhp-workflows/pom.xml
+++ b/dhp-workflows/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>eu.dnetlib.dhp</groupId>
         <artifactId>dhp</artifactId>
-        <version>1.1.6-SNAPSHOT</version>
+        <version>1.1.6</version>
         <relativePath>../</relativePath>
     </parent>
 
diff --git a/pom.xml b/pom.xml
index 99e40b9b5..fb739f938 100644
--- a/pom.xml
+++ b/pom.xml
@@ -1,11 +1,9 @@
-<project xmlns="http://maven.apache.org/POM/4.0.0"
-		 xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-		 xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
 
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>eu.dnetlib.dhp</groupId>
 	<artifactId>dhp</artifactId>
-	<version>1.1.6-SNAPSHOT</version>
+	<version>1.1.6</version>
 	<packaging>pom</packaging>
 
 	<url>http://www.d-net.research-infrastructures.eu</url>
@@ -40,7 +38,7 @@
 		<connection>scm:git:gitea@code-repo.d4science.org:D-Net/dnet-hadoop.git</connection>
 		<developerConnection>scm:git:gitea@code-repo.d4science.org:D-Net/dnet-hadoop.git</developerConnection>
 		<url>https://code-repo.d4science.org/D-Net/dnet-hadoop/</url>
-		<tag>HEAD</tag>
+		<tag>dhp-1.1.6</tag>
 	</scm>
 
 	<pluginRepositories>