diff --git a/OCPP-J/pom.xml b/OCPP-J/pom.xml
index 3e0f10a6..f4918ca9 100644
--- a/OCPP-J/pom.xml
+++ b/OCPP-J/pom.xml
@@ -130,7 +130,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-gpg-plugin</artifactId>
-                <version>1.5</version>
+                <version>3.1.0</version>
                 <executions>
                     <execution>
                         <id>sign-artifacts</id>
diff --git a/ocpp-common/pom.xml b/ocpp-common/pom.xml
index 3d3e6e2a..1ed718f6 100644
--- a/ocpp-common/pom.xml
+++ b/ocpp-common/pom.xml
@@ -131,7 +131,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-gpg-plugin</artifactId>
-                <version>1.5</version>
+                <version>3.1.0</version>
                 <executions>
                     <execution>
                         <id>sign-artifacts</id>
diff --git a/ocpp-v1_6/pom.xml b/ocpp-v1_6/pom.xml
index 97dc7c34..c2232ed5 100644
--- a/ocpp-v1_6/pom.xml
+++ b/ocpp-v1_6/pom.xml
@@ -129,7 +129,7 @@
             <plugin>
               <groupId>org.apache.maven.plugins</groupId>
               <artifactId>maven-gpg-plugin</artifactId>
-              <version>1.5</version>
+              <version>3.1.0</version>
               <executions>
                 <execution>
                   <id>sign-artifacts</id>
diff --git a/ocpp-v2/pom.xml b/ocpp-v2/pom.xml
index 3104cb90..27730883 100644
--- a/ocpp-v2/pom.xml
+++ b/ocpp-v2/pom.xml
@@ -139,7 +139,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-gpg-plugin</artifactId>
-                <version>1.5</version>
+                <version>3.1.0</version>
                 <executions>
                     <execution>
                         <id>sign-artifacts</id>