diff --git a/pmml-agent/pom.xml b/pmml-agent/pom.xml
index 7ef42593..47a26b9a 100644
--- a/pmml-agent/pom.xml
+++ b/pmml-agent/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>org.jpmml</groupId>
 		<artifactId>jpmml-model</artifactId>
-		<version>1.6.7</version>
+		<version>1.6-SNAPSHOT</version>
 	</parent>
 
 	<groupId>org.jpmml</groupId>
diff --git a/pmml-model-example/pom.xml b/pmml-model-example/pom.xml
index 9bb52e06..a5f0a20d 100644
--- a/pmml-model-example/pom.xml
+++ b/pmml-model-example/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>org.jpmml</groupId>
 		<artifactId>jpmml-model</artifactId>
-		<version>1.6.7</version>
+		<version>1.6-SNAPSHOT</version>
 	</parent>
 
 	<groupId>org.jpmml</groupId>
diff --git a/pmml-model-gwt/pom.xml b/pmml-model-gwt/pom.xml
index 98199a48..eb2fd707 100644
--- a/pmml-model-gwt/pom.xml
+++ b/pmml-model-gwt/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>org.jpmml</groupId>
 		<artifactId>jpmml-model</artifactId>
-		<version>1.6.7</version>
+		<version>1.6-SNAPSHOT</version>
 	</parent>
 
 	<groupId>org.jpmml</groupId>
diff --git a/pmml-model-jackson/pom.xml b/pmml-model-jackson/pom.xml
index 12ed4e78..d6288c51 100644
--- a/pmml-model-jackson/pom.xml
+++ b/pmml-model-jackson/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>org.jpmml</groupId>
 		<artifactId>jpmml-model</artifactId>
-		<version>1.6.7</version>
+		<version>1.6-SNAPSHOT</version>
 	</parent>
 
 	<groupId>org.jpmml</groupId>
diff --git a/pmml-model-kryo/pom.xml b/pmml-model-kryo/pom.xml
index 8ab0ed3f..e1594b55 100644
--- a/pmml-model-kryo/pom.xml
+++ b/pmml-model-kryo/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>org.jpmml</groupId>
 		<artifactId>jpmml-model</artifactId>
-		<version>1.6.7</version>
+		<version>1.6-SNAPSHOT</version>
 	</parent>
 
 	<groupId>org.jpmml</groupId>
diff --git a/pmml-model-metro/pom.xml b/pmml-model-metro/pom.xml
index acfa5bf0..60056beb 100644
--- a/pmml-model-metro/pom.xml
+++ b/pmml-model-metro/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>org.jpmml</groupId>
 		<artifactId>jpmml-model</artifactId>
-		<version>1.6.7</version>
+		<version>1.6-SNAPSHOT</version>
 	</parent>
 
 	<groupId>org.jpmml</groupId>
diff --git a/pmml-model-moxy/pom.xml b/pmml-model-moxy/pom.xml
index 31944e7e..7ab39d9a 100644
--- a/pmml-model-moxy/pom.xml
+++ b/pmml-model-moxy/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>org.jpmml</groupId>
 		<artifactId>jpmml-model</artifactId>
-		<version>1.6.7</version>
+		<version>1.6-SNAPSHOT</version>
 	</parent>
 
 	<groupId>org.jpmml</groupId>
diff --git a/pmml-model/pom.xml b/pmml-model/pom.xml
index 8fb3137e..dc34c9c7 100644
--- a/pmml-model/pom.xml
+++ b/pmml-model/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>org.jpmml</groupId>
 		<artifactId>jpmml-model</artifactId>
-		<version>1.6.7</version>
+		<version>1.6-SNAPSHOT</version>
 	</parent>
 
 	<groupId>org.jpmml</groupId>
diff --git a/pmml-xjc/pom.xml b/pmml-xjc/pom.xml
index 1ce422fa..ddbaad8f 100644
--- a/pmml-xjc/pom.xml
+++ b/pmml-xjc/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>org.jpmml</groupId>
 		<artifactId>jpmml-model</artifactId>
-		<version>1.6.7</version>
+		<version>1.6-SNAPSHOT</version>
 	</parent>
 
 	<groupId>org.jpmml</groupId>
diff --git a/pom.xml b/pom.xml
index e7809434..75b0a25a 100644
--- a/pom.xml
+++ b/pom.xml
@@ -10,7 +10,7 @@
 
 	<groupId>org.jpmml</groupId>
 	<artifactId>jpmml-model</artifactId>
-	<version>1.6.7</version>
+	<version>1.6-SNAPSHOT</version>
 	<packaging>pom</packaging>
 
 	<name>JPMML-Model</name>
@@ -48,7 +48,7 @@
 		<connection>scm:git:git@github.com:jpmml/jpmml-model.git</connection>
 		<developerConnection>scm:git:git@github.com:jpmml/jpmml-model.git</developerConnection>
 		<url>git://github.com/jpmml/jpmml-model.git</url>
-		<tag>1.6.7</tag>
+		<tag>HEAD</tag>
 	</scm>
 	<issueManagement>
 		<system>GitHub</system>
@@ -56,7 +56,7 @@
 	</issueManagement>
 
 	<properties>
-		<project.build.outputTimestamp>2024-11-20T08:01:46Z</project.build.outputTimestamp>
+		<project.build.outputTimestamp>2024-11-20T08:05:26Z</project.build.outputTimestamp>
 	</properties>
 
 	<dependencyManagement>
@@ -64,53 +64,53 @@
 			<dependency>
 				<groupId>org.jpmml</groupId>
 				<artifactId>pmml-agent</artifactId>
-				<version>1.6.7</version>
+				<version>1.6-SNAPSHOT</version>
 			</dependency>
 			<dependency>
 				<groupId>org.jpmml</groupId>
 				<artifactId>pmml-model</artifactId>
-				<version>1.6.7</version>
+				<version>1.6-SNAPSHOT</version>
 			</dependency>
 			<dependency>
 				<groupId>org.jpmml</groupId>
 				<artifactId>pmml-model</artifactId>
 				<classifier>tests</classifier>
-				<version>1.6.7</version>
+				<version>1.6-SNAPSHOT</version>
 			</dependency>
 			<dependency>
 				<groupId>org.jpmml</groupId>
 				<artifactId>pmml-model-example</artifactId>
-				<version>1.6.7</version>
+				<version>1.6-SNAPSHOT</version>
 			</dependency>
 			<dependency>
 				<groupId>org.jpmml</groupId>
 				<artifactId>pmml-model-gwt</artifactId>
-				<version>1.6.7</version>
+				<version>1.6-SNAPSHOT</version>
 			</dependency>
 			<dependency>
 				<groupId>org.jpmml</groupId>
 				<artifactId>pmml-model-jackson</artifactId>
-				<version>1.6.7</version>
+				<version>1.6-SNAPSHOT</version>
 			</dependency>
 			<dependency>
 				<groupId>org.jpmml</groupId>
 				<artifactId>pmml-model-kryo</artifactId>
-				<version>1.6.7</version>
+				<version>1.6-SNAPSHOT</version>
 			</dependency>
 			<dependency>
 				<groupId>org.jpmml</groupId>
 				<artifactId>pmml-model-metro</artifactId>
-				<version>1.6.7</version>
+				<version>1.6-SNAPSHOT</version>
 			</dependency>
 			<dependency>
 				<groupId>org.jpmml</groupId>
 				<artifactId>pmml-model-moxy</artifactId>
-				<version>1.6.7</version>
+				<version>1.6-SNAPSHOT</version>
 			</dependency>
 			<dependency>
 				<groupId>org.jpmml</groupId>
 				<artifactId>pmml-xjc</artifactId>
-				<version>1.6.7</version>
+				<version>1.6-SNAPSHOT</version>
 			</dependency>
 
 			<!-- Inherited from org.glassfish.jaxb:jaxb-bom via org.glassfish.jaxb:jaxb-runtime dependency -->