diff --git a/pom.xml b/pom.xml
index 7d4e28de..13cc3f3a 100644
--- a/pom.xml
+++ b/pom.xml
@@ -6,7 +6,7 @@
org.ode4j
@@ -168,10 +168,6 @@
org.apache.maven.plugins
maven-javadoc-plugin
${ode4j.maven-javadoc-plugin.version}
-
-
-
-
@@ -179,11 +175,6 @@
org.apache.maven.plugins
maven-source-plugin
3.3.0
-
-
-
-
-
+
+
+
+
+
+
+ org.apache.maven.plugins
+ maven-gpg-plugin
+
+
+
+ ${file}.jar
+ ${gpg.keyname}
+
+
+
+
+
+
+
+
on-jdk-8