diff --git a/cda-model/pom.xml b/cda-model/pom.xml
index c873a292adcc47eaf2590e80891a68076f6d93a9..33f89337593248b54f0947003aa6aa4109da7a27 100644
--- a/cda-model/pom.xml
+++ b/cda-model/pom.xml
@@ -4,14 +4,14 @@
     <parent>
         <artifactId>uml-models</artifactId>
         <groupId>net.ihe.gazelle</groupId>
-        <version>3.2.0</version>
+        <version>3.2.1-SNAPSHOT</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
     <groupId>net.ihe.gazelle.model</groupId>
     <artifactId>cda-model</artifactId>
-    <version>3.2.0</version>
+    <version>3.2.1-SNAPSHOT</version>
 
     <packaging>jar</packaging>
 
@@ -49,28 +49,28 @@
         <dependency>
             <groupId>net.ihe.gazelle.model</groupId>
             <artifactId>voc-model</artifactId>
-            <version>3.2.0</version>
+            <version>3.2.1-SNAPSHOT</version>
         </dependency>
         <dependency>
             <groupId>net.ihe.gazelle.model</groupId>
             <artifactId>common-models</artifactId>
-            <version>3.2.0</version>
+            <version>3.2.1-SNAPSHOT</version>
         </dependency>
         <dependency>
             <groupId>net.ihe.gazelle.model</groupId>
             <artifactId>nblock-model</artifactId>
-            <version>3.2.0</version>
+            <version>3.2.1-SNAPSHOT</version>
         </dependency>
         <dependency>
             <groupId>net.ihe.gazelle.model</groupId>
             <artifactId>datatypes-model</artifactId>
-            <version>3.2.0</version>
+            <version>3.2.1-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>net.ihe.gazelle.model</groupId>
             <artifactId>model-resources</artifactId>
-            <version>3.2.0</version>
+            <version>3.2.1-SNAPSHOT</version>
         </dependency>
         <dependency>
             <groupId>commons-io</groupId>
diff --git a/cdaepsos-model/pom.xml b/cdaepsos-model/pom.xml
index 4b9d2bd8344d4ed79ac746d7906b5fcceade62e7..2a996d37dd125adb14084cac94b11667f83664a7 100644
--- a/cdaepsos-model/pom.xml
+++ b/cdaepsos-model/pom.xml
@@ -4,14 +4,14 @@
     <parent>
         <artifactId>uml-models</artifactId>
         <groupId>net.ihe.gazelle</groupId>
-        <version>3.2.0</version>
+        <version>3.2.1-SNAPSHOT</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
     <groupId>net.ihe.gazelle.model</groupId>
     <artifactId>cdaepsos-model</artifactId>
-    <version>3.2.0</version>
+    <version>3.2.1-SNAPSHOT</version>
 
     <packaging>jar</packaging>
     
@@ -58,7 +58,7 @@
         <dependency>
             <groupId>net.ihe.gazelle.model</groupId>
             <artifactId>datatypes-model</artifactId>
-            <version>3.2.0</version>
+            <version>3.2.1-SNAPSHOT</version>
         </dependency>
 
         <dependency>
diff --git a/cdaxehealth-model/pom.xml b/cdaxehealth-model/pom.xml
index 46dba8f3c635ddc8bf94f6736c1494426580e1a7..daea1779cafacc49e6687447a3316f4a9f0b8993 100644
--- a/cdaxehealth-model/pom.xml
+++ b/cdaxehealth-model/pom.xml
@@ -3,12 +3,12 @@
     <parent>
         <artifactId>uml-models</artifactId>
         <groupId>net.ihe.gazelle</groupId>
-        <version>3.2.0</version>
+        <version>3.2.1-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <groupId>net.ihe.gazelle.model</groupId>
     <artifactId>cdaxehealth-model</artifactId>
-    <version>3.2.0</version>
+    <version>3.2.1-SNAPSHOT</version>
 
     <properties>
         <maven.compiler.source>11</maven.compiler.source>
diff --git a/common-models/pom.xml b/common-models/pom.xml
index 4f44ef318d430af8ef2fd27908aab735ffdbca6b..9b407784dce259deb8e358ea66655ed8da1e773c 100644
--- a/common-models/pom.xml
+++ b/common-models/pom.xml
@@ -4,14 +4,14 @@
     <parent>
         <artifactId>uml-models</artifactId>
         <groupId>net.ihe.gazelle</groupId>
-        <version>3.2.0</version>
+        <version>3.2.1-SNAPSHOT</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
     <groupId>net.ihe.gazelle.model</groupId>
     <artifactId>common-models</artifactId>
-    <version>3.2.0</version>
+    <version>3.2.1-SNAPSHOT</version>
 
     <packaging>jar</packaging>
 	
@@ -37,7 +37,7 @@
         <dependency>
             <groupId>net.ihe.gazelle.model</groupId>
             <artifactId>model-resources</artifactId>
-            <version>3.2.0</version>
+            <version>3.2.1-SNAPSHOT</version>
         </dependency>
     </dependencies>
 </project>
diff --git a/datatypes-model/pom.xml b/datatypes-model/pom.xml
index cb212932e4217cf4887eb92aca0c2a73e2c7e4e0..c5597bdebb8d3318c548ff3f166f1c2bcd1801f4 100644
--- a/datatypes-model/pom.xml
+++ b/datatypes-model/pom.xml
@@ -4,14 +4,14 @@
     <parent>
         <artifactId>uml-models</artifactId>
         <groupId>net.ihe.gazelle</groupId>
-        <version>3.2.0</version>
+        <version>3.2.1-SNAPSHOT</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
     <groupId>net.ihe.gazelle.model</groupId>
     <artifactId>datatypes-model</artifactId>
-    <version>3.2.0</version>
+    <version>3.2.1-SNAPSHOT</version>
 
     <packaging>jar</packaging>
 
@@ -37,7 +37,7 @@
         <dependency>
             <groupId>net.ihe.gazelle.model</groupId>
             <artifactId>common-models</artifactId>
-            <version>3.2.0</version>
+            <version>3.2.1-SNAPSHOT</version>
         </dependency>
 
 
diff --git a/infr-model/pom.xml b/infr-model/pom.xml
index 6d9ed6405aa5b0e2a4ec17ee547c18ecd31c5cd4..2ab27f9403e612e79b90de3a7992fe2b41afe1a6 100644
--- a/infr-model/pom.xml
+++ b/infr-model/pom.xml
@@ -4,14 +4,14 @@
     <parent>
         <artifactId>uml-models</artifactId>
         <groupId>net.ihe.gazelle</groupId>
-        <version>3.2.0</version>
+        <version>3.2.1-SNAPSHOT</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
     <groupId>net.ihe.gazelle.model</groupId>
     <artifactId>infr-model</artifactId>
-    <version>3.2.0</version>
+    <version>3.2.1-SNAPSHOT</version>
 
     <packaging>jar</packaging>
 
@@ -36,7 +36,7 @@
         <dependency>
             <groupId>net.ihe.gazelle.model</groupId>
             <artifactId>datatypes-model</artifactId>
-            <version>3.2.0</version>
+            <version>3.2.1-SNAPSHOT</version>
         </dependency>
 
 
diff --git a/model-resources/pom.xml b/model-resources/pom.xml
index c210f37382e2eb7906dfdc298f625577f65bb8f4..6356f54cc6ae84efce92c006c552994b0f4a9b78 100644
--- a/model-resources/pom.xml
+++ b/model-resources/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <artifactId>uml-models</artifactId>
         <groupId>net.ihe.gazelle</groupId>
-        <version>3.2.0</version>
+        <version>3.2.1-SNAPSHOT</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
@@ -12,7 +12,7 @@
 
     <groupId>net.ihe.gazelle.model</groupId>
     <artifactId>model-resources</artifactId>
-    <version>3.2.0</version>
+    <version>3.2.1-SNAPSHOT</version>
 
 
 
diff --git a/nblock-model/pom.xml b/nblock-model/pom.xml
index 31a2865139a0c7e0f7c468037a66bb5ff8578c6a..4ab77660083606af92e3a968d987fd7bb9b26a6c 100644
--- a/nblock-model/pom.xml
+++ b/nblock-model/pom.xml
@@ -4,14 +4,14 @@
     <parent>
         <artifactId>uml-models</artifactId>
         <groupId>net.ihe.gazelle</groupId>
-        <version>3.2.0</version>
+        <version>3.2.1-SNAPSHOT</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
     <groupId>net.ihe.gazelle.model</groupId>
     <artifactId>nblock-model</artifactId>
-    <version>3.2.0</version>
+    <version>3.2.1-SNAPSHOT</version>
 
     <packaging>jar</packaging>
 
@@ -36,7 +36,7 @@
         <dependency>
             <groupId>net.ihe.gazelle.model</groupId>
             <artifactId>model-resources</artifactId>
-            <version>3.2.0</version>
+            <version>3.2.1-SNAPSHOT</version>
         </dependency>
     </dependencies>
 </project>
diff --git a/pom.xml b/pom.xml
index 0d3fc1a1aafca44a227cec476bae4395c9489077..254e66417afaf1e5332f716e2c0bc385023b4179 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
     <groupId>net.ihe.gazelle</groupId>
     <artifactId>uml-models</artifactId>
     <name>UML Models</name>
-    <version>3.2.0</version>
+    <version>3.2.1-SNAPSHOT</version>
     <packaging>pom</packaging>
 
     <properties>
@@ -22,7 +22,7 @@
         <connection>scm:git:${git.project.url}</connection>
         <developerConnection>scm:git:${git.project.url}</developerConnection>
         <url>${git.project.url}</url>
-        <tag>3.2.0</tag>
+        <tag>HEAD</tag>
     </scm>
 
     <distributionManagement>
diff --git a/voc-model/pom.xml b/voc-model/pom.xml
index 8f3219527e2cf8b281823eb81adcfb5974a0ffcc..9d7e3b1fefaf3cc021960ffee00ef28ad7d2c8f2 100644
--- a/voc-model/pom.xml
+++ b/voc-model/pom.xml
@@ -4,14 +4,14 @@
     <parent>
         <artifactId>uml-models</artifactId>
         <groupId>net.ihe.gazelle</groupId>
-        <version>3.2.0</version>
+        <version>3.2.1-SNAPSHOT</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
     <groupId>net.ihe.gazelle.model</groupId>
     <artifactId>voc-model</artifactId>
-    <version>3.2.0</version>
+    <version>3.2.1-SNAPSHOT</version>
 
     <packaging>jar</packaging>
 
@@ -36,7 +36,7 @@
         <dependency>
             <groupId>net.ihe.gazelle.model</groupId>
             <artifactId>model-resources</artifactId>
-            <version>3.2.0</version>
+            <version>3.2.1-SNAPSHOT</version>
         </dependency>
     </dependencies>
 </project>