diff --git a/geoapi/pom.xml b/geoapi/pom.xml
index 90fc100..8f368b9 100644
--- a/geoapi/pom.xml
+++ b/geoapi/pom.xml
@@ -73,6 +73,18 @@
                     <excludePackageNames>org.locationtech.proj4j.geoapi.spi</excludePackageNames>
                 </configuration>
             </plugin>
+
+            <plugin>
+                <artifactId>maven-jar-plugin</artifactId>
+                <configuration>
+                    <archive>
+                        <manifestEntries>
+                            <Automatic-Module-Name>org.locationtech.proj4j.geoapi</Automatic-Module-Name>
+                        </manifestEntries>
+                    </archive>
+                </configuration>
+            </plugin>
+
         </plugins>
     </build>
 
diff --git a/pom.xml b/pom.xml
index 7382ac1..0fead49 100644
--- a/pom.xml
+++ b/pom.xml
@@ -111,6 +111,11 @@
                 <artifactId>maven-surefire-plugin</artifactId>
                 <version>3.1.0</version>
             </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-jar-plugin</artifactId>
+                <version>3.4.1</version>
+            </plugin>
 
             <!-- Maven Central Publish -->
             <plugin>