diff --git a/pom.xml b/pom.xml
index d2773c9..df0f4e9 100644
--- a/pom.xml
+++ b/pom.xml
@@ -136,6 +136,7 @@
 			<plugin>
 				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-gpg-plugin</artifactId>
+				<version>1.4</version>
 				<executions>
 					<execution>
 						<id>sign-artifacts</id>
@@ -321,7 +322,7 @@
 					<plugin>
 						<groupId>org.apache.maven.plugins</groupId>
 						<artifactId>maven-gpg-plugin</artifactId>
-						<version>1.3</version>
+						<version>1.4</version>
 						<executions>
 							<execution>
 								<id>sign-artifacts</id>