Index: core-module/pom.xml
===================================================================
diff -u -r3378aeef18251570015a9efbed6402f39cffd95d -re957e2b20058de58b6cafe94831a1288dbb5ad80
--- core-module/pom.xml	(.../pom.xml)	(revision 3378aeef18251570015a9efbed6402f39cffd95d)
+++ core-module/pom.xml	(.../pom.xml)	(revision e957e2b20058de58b6cafe94831a1288dbb5ad80)
@@ -66,6 +66,21 @@
                 </executions>
             </plugin>
             <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-jar-plugin</artifactId>
+                <version>3.0.2</version>
+                <configuration>
+                    <archive>
+                        <manifestFile>${project.build.outputDirectory}/META-INF/MANIFEST.MF</manifestFile>
+                        <manifest>
+                            <addClasspath>true</addClasspath>
+                            <addDefaultImplementationEntries>true</addDefaultImplementationEntries>
+                            <addDefaultSpecificationEntries>true</addDefaultSpecificationEntries>
+                        </manifest>
+                    </archive>
+                </configuration>
+            </plugin>
+            <plugin>
                 <groupId>com.github.wvengen</groupId>
                 <artifactId>proguard-maven-plugin</artifactId>
                 <version>2.0.14</version>
Index: pom.xml
===================================================================
diff -u -r81abbd68c887955d34bf425ba6f2b7176ba432eb -re957e2b20058de58b6cafe94831a1288dbb5ad80
--- pom.xml	(.../pom.xml)	(revision 81abbd68c887955d34bf425ba6f2b7176ba432eb)
+++ pom.xml	(.../pom.xml)	(revision e957e2b20058de58b6cafe94831a1288dbb5ad80)
@@ -25,7 +25,7 @@
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <project.version>18.12.3</project.version>
+        <project.version>18.12.4</project.version>
         <maven.build.timestamp.format>yyMMdd_HHmm</maven.build.timestamp.format>
         <build.time>${maven.build.timestamp}</build.time>
         <dependency.locations.enabled>false</dependency.locations.enabled>