diff --git a/pmml-python-testing/pom.xml b/pmml-python-testing/pom.xml
index d1a41ab..fa5eb4c 100644
--- a/pmml-python-testing/pom.xml
+++ b/pmml-python-testing/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>org.jpmml</groupId>
 		<artifactId>jpmml-python</artifactId>
-		<version>1.2.1</version>
+		<version>1.2-SNAPSHOT</version>
 	</parent>
 
 	<groupId>org.jpmml</groupId>
@@ -24,7 +24,7 @@
 	</licenses>
 
 	<properties>
-		<project.build.outputTimestamp>2024-04-13T18:01:25Z</project.build.outputTimestamp>
+		<project.build.outputTimestamp>2024-04-13T18:02:05Z</project.build.outputTimestamp>
 	</properties>
 
 	<dependencies>
diff --git a/pmml-python/pom.xml b/pmml-python/pom.xml
index 7cffe64..f34a2f5 100644
--- a/pmml-python/pom.xml
+++ b/pmml-python/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>org.jpmml</groupId>
 		<artifactId>jpmml-python</artifactId>
-		<version>1.2.1</version>
+		<version>1.2-SNAPSHOT</version>
 	</parent>
 
 	<groupId>org.jpmml</groupId>
@@ -24,7 +24,7 @@
 	</licenses>
 
 	<properties>
-		<project.build.outputTimestamp>2024-04-13T18:01:25Z</project.build.outputTimestamp>
+		<project.build.outputTimestamp>2024-04-13T18:02:05Z</project.build.outputTimestamp>
 	</properties>
 
 	<dependencies>
diff --git a/pom.xml b/pom.xml
index 807dde5..f78b07c 100644
--- a/pom.xml
+++ b/pom.xml
@@ -10,7 +10,7 @@
 
 	<groupId>org.jpmml</groupId>
 	<artifactId>jpmml-python</artifactId>
-	<version>1.2.1</version>
+	<version>1.2-SNAPSHOT</version>
 	<packaging>pom</packaging>
 
 	<name>JPMML-Python</name>
@@ -41,7 +41,7 @@
 		<connection>scm:git:git@github.com:jpmml/jpmml-python.git</connection>
 		<developerConnection>scm:git:git@github.com:jpmml/jpmml-python.git</developerConnection>
 		<url>git://github.com/jpmml/jpmml-python.git</url>
-		<tag>1.2.1</tag>
+		<tag>HEAD</tag>
 	</scm>
 	<issueManagement>
 		<system>GitHub</system>
@@ -49,7 +49,7 @@
 	</issueManagement>
 
 	<properties>
-		<project.build.outputTimestamp>2024-04-13T18:01:25Z</project.build.outputTimestamp>
+		<project.build.outputTimestamp>2024-04-13T18:02:05Z</project.build.outputTimestamp>
 	</properties>
 
 	<dependencyManagement>
@@ -57,12 +57,12 @@
 			<dependency>
 				<groupId>org.jpmml</groupId>
 				<artifactId>pmml-python</artifactId>
-				<version>1.2.1</version>
+				<version>1.2-SNAPSHOT</version>
 			</dependency>
 			<dependency>
 				<groupId>org.jpmml</groupId>
 				<artifactId>pmml-python-testing</artifactId>
-				<version>1.2.1</version>
+				<version>1.2-SNAPSHOT</version>
 			</dependency>
 
 			<dependency>