diff --git a/pmml-sklearn-example/pom.xml b/pmml-sklearn-example/pom.xml
index 5b88d18cb..83242d047 100644
--- a/pmml-sklearn-example/pom.xml
+++ b/pmml-sklearn-example/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>org.jpmml</groupId>
 		<artifactId>jpmml-sklearn</artifactId>
-		<version>1.7.53</version>
+		<version>1.7-SNAPSHOT</version>
 	</parent>
 
 	<groupId>org.jpmml</groupId>
diff --git a/pmml-sklearn-extension/pom.xml b/pmml-sklearn-extension/pom.xml
index 7327d0d00..ff438ffa2 100644
--- a/pmml-sklearn-extension/pom.xml
+++ b/pmml-sklearn-extension/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>org.jpmml</groupId>
 		<artifactId>jpmml-sklearn</artifactId>
-		<version>1.7.53</version>
+		<version>1.7-SNAPSHOT</version>
 	</parent>
 
 	<groupId>org.jpmml</groupId>
diff --git a/pmml-sklearn-h2o/pom.xml b/pmml-sklearn-h2o/pom.xml
index 1e8e4507f..394930235 100644
--- a/pmml-sklearn-h2o/pom.xml
+++ b/pmml-sklearn-h2o/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>org.jpmml</groupId>
 		<artifactId>jpmml-sklearn</artifactId>
-		<version>1.7.53</version>
+		<version>1.7-SNAPSHOT</version>
 	</parent>
 
 	<groupId>org.jpmml</groupId>
diff --git a/pmml-sklearn-lightgbm/pom.xml b/pmml-sklearn-lightgbm/pom.xml
index 974a26f6e..d58ab41d2 100644
--- a/pmml-sklearn-lightgbm/pom.xml
+++ b/pmml-sklearn-lightgbm/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>org.jpmml</groupId>
 		<artifactId>jpmml-sklearn</artifactId>
-		<version>1.7.53</version>
+		<version>1.7-SNAPSHOT</version>
 	</parent>
 
 	<groupId>org.jpmml</groupId>
diff --git a/pmml-sklearn-statsmodels/pom.xml b/pmml-sklearn-statsmodels/pom.xml
index 206b72bb1..070db3300 100644
--- a/pmml-sklearn-statsmodels/pom.xml
+++ b/pmml-sklearn-statsmodels/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>org.jpmml</groupId>
 		<artifactId>jpmml-sklearn</artifactId>
-		<version>1.7.53</version>
+		<version>1.7-SNAPSHOT</version>
 	</parent>
 
 	<groupId>org.jpmml</groupId>
diff --git a/pmml-sklearn-xgboost/pom.xml b/pmml-sklearn-xgboost/pom.xml
index 38dd763d6..8f26caf24 100644
--- a/pmml-sklearn-xgboost/pom.xml
+++ b/pmml-sklearn-xgboost/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>org.jpmml</groupId>
 		<artifactId>jpmml-sklearn</artifactId>
-		<version>1.7.53</version>
+		<version>1.7-SNAPSHOT</version>
 	</parent>
 
 	<groupId>org.jpmml</groupId>
diff --git a/pmml-sklearn/pom.xml b/pmml-sklearn/pom.xml
index 6d1db23b1..f0275a5b8 100644
--- a/pmml-sklearn/pom.xml
+++ b/pmml-sklearn/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>org.jpmml</groupId>
 		<artifactId>jpmml-sklearn</artifactId>
-		<version>1.7.53</version>
+		<version>1.7-SNAPSHOT</version>
 	</parent>
 
 	<groupId>org.jpmml</groupId>
diff --git a/pom.xml b/pom.xml
index 98c5ec50d..28f1df1e6 100644
--- a/pom.xml
+++ b/pom.xml
@@ -10,7 +10,7 @@
 
 	<groupId>org.jpmml</groupId>
 	<artifactId>jpmml-sklearn</artifactId>
-	<version>1.7.53</version>
+	<version>1.7-SNAPSHOT</version>
 	<packaging>pom</packaging>
 
 	<name>JPMML-SkLearn</name>
@@ -46,7 +46,7 @@
 		<connection>scm:git:git@github.com:jpmml/jpmml-sklearn.git</connection>
 		<developerConnection>scm:git:git@github.com:jpmml/jpmml-sklearn.git</developerConnection>
 		<url>git://github.com/jpmml/jpmml-sklearn.git</url>
-		<tag>1.7.53</tag>
+		<tag>HEAD</tag>
 	</scm>
 	<issueManagement>
 		<system>GitHub</system>
@@ -58,37 +58,37 @@
 			<dependency>
 				<groupId>org.jpmml</groupId>
 				<artifactId>pmml-sklearn</artifactId>
-				<version>1.7.53</version>
+				<version>1.7-SNAPSHOT</version>
 			</dependency>
 			<dependency>
 				<groupId>org.jpmml</groupId>
 				<artifactId>pmml-sklearn-example</artifactId>
-				<version>1.7.53</version>
+				<version>1.7-SNAPSHOT</version>
 			</dependency>
 			<dependency>
 				<groupId>org.jpmml</groupId>
 				<artifactId>pmml-sklearn-extension</artifactId>
-				<version>1.7.53</version>
+				<version>1.7-SNAPSHOT</version>
 			</dependency>
 			<dependency>
 				<groupId>org.jpmml</groupId>
 				<artifactId>pmml-sklearn-h2o</artifactId>
-				<version>1.7.53</version>
+				<version>1.7-SNAPSHOT</version>
 			</dependency>
 			<dependency>
 				<groupId>org.jpmml</groupId>
 				<artifactId>pmml-sklearn-lightgbm</artifactId>
-				<version>1.7.53</version>
+				<version>1.7-SNAPSHOT</version>
 			</dependency>
 			<dependency>
 				<groupId>org.jpmml</groupId>
 				<artifactId>pmml-sklearn-statsmodels</artifactId>
-				<version>1.7.53</version>
+				<version>1.7-SNAPSHOT</version>
 			</dependency>
 			<dependency>
 				<groupId>org.jpmml</groupId>
 				<artifactId>pmml-sklearn-xgboost</artifactId>
-				<version>1.7.53</version>
+				<version>1.7-SNAPSHOT</version>
 			</dependency>
 
 			<dependency>