diff --git a/pom.xml b/pom.xml
index 38ee7f06..6b0bdf70 100644
--- a/pom.xml
+++ b/pom.xml
@@ -26,7 +26,7 @@
     </modules>
 
     <artifactId>xoai</artifactId>
-    <version>5.2.2-SNAPSHOT</version>
+    <version>5.2.2</version>
 
     <name>XOAI : OAI-PMH Java Toolkit</name>
     <!--<url>https://github.com/gdcc/xoai</url>-->
diff --git a/report/pom.xml b/report/pom.xml
index 1ab048b4..978a9390 100644
--- a/report/pom.xml
+++ b/report/pom.xml
@@ -11,7 +11,7 @@
     <parent>
         <artifactId>xoai</artifactId>
         <groupId>io.gdcc</groupId>
-        <version>5.2.2-SNAPSHOT</version>
+        <version>5.2.2</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
diff --git a/xoai-common/pom.xml b/xoai-common/pom.xml
index f6315a92..e004ebf4 100644
--- a/xoai-common/pom.xml
+++ b/xoai-common/pom.xml
@@ -11,7 +11,7 @@
     <parent>
         <artifactId>xoai</artifactId>
         <groupId>io.gdcc</groupId>
-        <version>5.2.2-SNAPSHOT</version>
+        <version>5.2.2</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/xoai-data-provider-tck/pom.xml b/xoai-data-provider-tck/pom.xml
index a7caecc1..cbded51e 100644
--- a/xoai-data-provider-tck/pom.xml
+++ b/xoai-data-provider-tck/pom.xml
@@ -11,7 +11,7 @@
     <parent>
         <artifactId>xoai</artifactId>
         <groupId>io.gdcc</groupId>
-        <version>5.2.2-SNAPSHOT</version>
+        <version>5.2.2</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
diff --git a/xoai-data-provider/pom.xml b/xoai-data-provider/pom.xml
index 269589d2..dc0c0aba 100644
--- a/xoai-data-provider/pom.xml
+++ b/xoai-data-provider/pom.xml
@@ -11,7 +11,7 @@
     <parent>
         <artifactId>xoai</artifactId>
         <groupId>io.gdcc</groupId>
-        <version>5.2.2-SNAPSHOT</version>
+        <version>5.2.2</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
diff --git a/xoai-service-provider/pom.xml b/xoai-service-provider/pom.xml
index 91a0d267..568bfa2f 100644
--- a/xoai-service-provider/pom.xml
+++ b/xoai-service-provider/pom.xml
@@ -11,7 +11,7 @@
     <parent>
         <groupId>io.gdcc</groupId>
         <artifactId>xoai</artifactId>
-        <version>5.2.2-SNAPSHOT</version>
+        <version>5.2.2</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/xoai-xmlio/pom.xml b/xoai-xmlio/pom.xml
index fea54334..ece60818 100644
--- a/xoai-xmlio/pom.xml
+++ b/xoai-xmlio/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>io.gdcc</groupId>
         <artifactId>xoai</artifactId>
-        <version>5.2.2-SNAPSHOT</version>
+        <version>5.2.2</version>
     </parent>
 
     <artifactId>xoai-xmlio</artifactId>