diff --git a/clover-ant/pom.xml b/clover-ant/pom.xml
index fddde408..f41fb8a4 100644
--- a/clover-ant/pom.xml
+++ b/clover-ant/pom.xml
@@ -143,6 +143,7 @@
                                     </excludes>
                                 </filter>
                             </filters>
+                            <minimizeJar>true</minimizeJar>
                             <relocations>
                                 <relocation>
                                     <pattern>org.apache.commons.lang3</pattern>
diff --git a/clover-core/pom.xml b/clover-core/pom.xml
index 3433307e..6d44eb67 100644
--- a/clover-core/pom.xml
+++ b/clover-core/pom.xml
@@ -429,6 +429,7 @@
                                     </excludes>
                                 </filter>
                             </filters>
+                            <minimizeJar>true</minimizeJar>
                             <relocations>
                                 <relocation>
                                     <pattern>antlr</pattern>