diff --git a/pom.xml b/pom.xml
index c8498dd..906ad27 100644
--- a/pom.xml
+++ b/pom.xml
@@ -32,6 +32,18 @@
             <version>2.2.2</version>
         </dependency>
 
+        <dependency>
+            <groupId>com.formdev</groupId>
+            <artifactId>flatlaf</artifactId>
+            <version>3.7.2</version>
+        </dependency>
+
+        <dependency>
+            <groupId>com.miglayout</groupId>
+            <artifactId>miglayout-swing</artifactId>
+            <version>11.4.3</version>
+        </dependency>
+
         <dependency>
             <groupId>org.junit.jupiter</groupId>
             <artifactId>junit-jupiter</artifactId>
@@ -67,25 +79,44 @@
                 <version>5.8.0.7211</version>
             </plugin>
             <plugin>
-                <artifactId>maven-assembly-plugin</artifactId>
-                <version>3.8.0</version>
-                <configuration>
-                    <archive>
-                        <manifest>
-                            <mainClass>wtf.beatrice.autosqueal.Main</mainClass>
-                        </manifest>
-                    </archive>
-                    <descriptorRefs>
-                        <descriptorRef>jar-with-dependencies</descriptorRef>
-                    </descriptorRefs>
-                </configuration>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-shade-plugin</artifactId>
+                <version>3.6.2</version>
                 <executions>
                     <execution>
-                        <id>make-assembly</id> <!-- this is used for inheritance merges -->
-                        <phase>package</phase> <!-- bind to the packaging phase -->
+                        <id>make-fat-jar</id>
+                        <phase>package</phase>
                         <goals>
-                            <goal>single</goal>
+                            <goal>shade</goal>
                         </goals>
+                        <configuration>
+                            <!-- the fat jar replaces the main artifact: jpackage
+                                 and plain `java -jar` both use it. shade merges
+                                 the multi-release and service files correctly,
+                                 which the assembly plugin does not -->
+                            <createDependencyReducedPom>false</createDependencyReducedPom>
+                            <filters>
+                                <filter>
+                                    <artifact>*:*</artifact>
+                                    <excludes>
+                                        <exclude>META-INF/*.SF</exclude>
+                                        <exclude>META-INF/*.DSA</exclude>
+                                        <exclude>META-INF/*.RSA</exclude>
+                                        <exclude>module-info.class</exclude>
+                                        <exclude>META-INF/versions/*/module-info.class</exclude>
+                                    </excludes>
+                                </filter>
+                            </filters>
+                            <transformers>
+                                <transformer implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer">
+                                    <mainClass>wtf.beatrice.autosqueal.Main</mainClass>
+                                    <manifestEntries>
+                                        <Multi-Release>true</Multi-Release>
+                                    </manifestEntries>
+                                </transformer>
+                                <transformer implementation="org.apache.maven.plugins.shade.resource.ServicesResourceTransformer"/>
+                            </transformers>
+                        </configuration>
                     </execution>
                 </executions>
             </plugin>
@@ -135,7 +166,7 @@
                                         <resource>
                                             <directory>${project.build.directory}</directory>
                                             <includes>
-                                                <include>${project.build.finalName}-jar-with-dependencies.jar</include>
+                                                <include>${project.build.finalName}.jar</include>
                                             </includes>
                                         </resource>
                                     </resources>
@@ -167,7 +198,7 @@
                                         <argument>--input</argument>
                                         <argument>${project.build.directory}/jpackage-input</argument>
                                         <argument>--main-jar</argument>
-                                        <argument>${project.build.finalName}-jar-with-dependencies.jar</argument>
+                                        <argument>${project.build.finalName}.jar</argument>
                                         <argument>--main-class</argument>
                                         <argument>wtf.beatrice.autosqueal.Main</argument>
                                         <argument>--java-options</argument>