Updated pom

Author: Aklakan

pom.xml

@@ -51,6 +51,9 @@
 		<maven-project-info-reports-plugin.version>3.0.0</maven-project-info-reports-plugin.version>
 		<maven-scm-publish-plugin.version>3.0.0</maven-scm-publish-plugin.version>
 		<maven-site-plugin.version>3.8.2</maven-site-plugin.version>
+                <maven-gpg-plugin.version>3.1.0</maven-gpg-plugin.version>
+
+                <nexus-staging-maven-plugin.version>1.6.13</nexus-staging-maven-plugin.version>
 	</properties>
 
 	<prerequisites>
@@ -116,6 +119,7 @@
 					<plugin>
 						<groupId>org.sonatype.plugins</groupId>
 						<artifactId>nexus-staging-maven-plugin</artifactId>
+                                                <version>${nexus-staging-maven-plugin.version}</version>
 						<extensions>true</extensions>
 						<configuration>
 							<serverId>ossrh</serverId>
@@ -150,6 +154,7 @@
 					<plugin>
 						<groupId>org.apache.maven.plugins</groupId>
 						<artifactId>maven-gpg-plugin</artifactId>
+						<version>${maven-gpg-plugin.version}</version>
 						<executions>
 							<execution>
 								<id>sign-artifacts</id>