diff --git a/core-java-modules/core-java-8/pom.xml b/core-java-modules/core-java-8/pom.xml
index c2c84a5407..889c30b76e 100644
--- a/core-java-modules/core-java-8/pom.xml
+++ b/core-java-modules/core-java-8/pom.xml
@@ -61,7 +61,7 @@
                         </goals>
                         <configuration>
                             <classifier>spring-boot</classifier>
-                            <mainClass>org.baeldung.executable.ExecutableMavenJar</mainClass>
+                            <mainClass>com.baeldung.executable.ExecutableMavenJar</mainClass>
                         </configuration>
                     </execution>
                 </executions>
diff --git a/core-java-modules/core-java-arrays/pom.xml b/core-java-modules/core-java-arrays/pom.xml
index 20a835594f..10e1af7458 100644
--- a/core-java-modules/core-java-arrays/pom.xml
+++ b/core-java-modules/core-java-arrays/pom.xml
@@ -75,7 +75,7 @@
                         <manifest>
                             <addClasspath>true</addClasspath>
                             <classpathPrefix>libs/</classpathPrefix>
-                            <mainClass>org.baeldung.executable.ExecutableMavenJar</mainClass>
+                            <mainClass>com.baeldung.executable.ExecutableMavenJar</mainClass>
                         </manifest>
                     </archive>
                 </configuration>
@@ -94,7 +94,7 @@
                             <archiveBaseDirectory>${project.basedir}</archiveBaseDirectory>
                             <archive>
                                 <manifest>
-                                    <mainClass>org.baeldung.executable.ExecutableMavenJar</mainClass>
+                                    <mainClass>com.baeldung.executable.ExecutableMavenJar</mainClass>
                                 </manifest>
                             </archive>
                             <descriptorRefs>
@@ -118,7 +118,7 @@
                             <shadedArtifactAttached>true</shadedArtifactAttached>
                             <transformers>
                                 <transformer implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer">
-                                    <mainClass>org.baeldung.executable.ExecutableMavenJar</mainClass>
+                                    <mainClass>com.baeldung.executable.ExecutableMavenJar</mainClass>
                                 </transformer>
                             </transformers>
                         </configuration>
@@ -133,7 +133,7 @@
                 <executions>
                     <execution>
                         <configuration>
-                            <mainClass>org.baeldung.executable.ExecutableMavenJar</mainClass>
+                            <mainClass>com.baeldung.executable.ExecutableMavenJar</mainClass>
                             <attachToBuild>true</attachToBuild>
                             <filename>${project.build.finalName}-onejar.${project.packaging}</filename>
                         </configuration>
@@ -155,7 +155,7 @@
                         </goals>
                         <configuration>
                             <classifier>spring-boot</classifier>
-                            <mainClass>org.baeldung.executable.ExecutableMavenJar</mainClass>
+                            <mainClass>com.baeldung.executable.ExecutableMavenJar</mainClass>
                         </configuration>
                     </execution>
                 </executions>
diff --git a/core-java-modules/core-java-jar/pom.xml b/core-java-modules/core-java-jar/pom.xml
index a3e8941622..d3a7dab801 100644
--- a/core-java-modules/core-java-jar/pom.xml
+++ b/core-java-modules/core-java-jar/pom.xml
@@ -99,7 +99,7 @@
                         <manifest>
                             <addClasspath>true</addClasspath>
                             <classpathPrefix>libs/</classpathPrefix>
-                            <mainClass>org.baeldung.executable.ExecutableMavenJar</mainClass>
+                            <mainClass>com.baeldung.executable.ExecutableMavenJar</mainClass>
                         </manifest>
                     </archive>
                 </configuration>
@@ -118,7 +118,7 @@
                             <archiveBaseDirectory>${project.basedir}</archiveBaseDirectory>
                             <archive>
                                 <manifest>
-                                    <mainClass>org.baeldung.executable.ExecutableMavenJar</mainClass>
+                                    <mainClass>com.baeldung.executable.ExecutableMavenJar</mainClass>
                                 </manifest>
                             </archive>
                             <descriptorRefs>
@@ -142,7 +142,7 @@
                             <shadedArtifactAttached>true</shadedArtifactAttached>
                             <transformers>
                                 <transformer implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer">
-                                    <mainClass>org.baeldung.executable.ExecutableMavenJar</mainClass>
+                                    <mainClass>com.baeldung.executable.ExecutableMavenJar</mainClass>
                                 </transformer>
                             </transformers>
                         </configuration>
@@ -157,7 +157,7 @@
                 <executions>
                     <execution>
                         <configuration>
-                            <mainClass>org.baeldung.executable.ExecutableMavenJar</mainClass>
+                            <mainClass>com.baeldung.executable.ExecutableMavenJar</mainClass>
                             <attachToBuild>true</attachToBuild>
                             <filename>${project.build.finalName}-onejar.${project.packaging}</filename>
                         </configuration>
@@ -179,7 +179,7 @@
                         </goals>
                         <configuration>
                             <classifier>spring-boot</classifier>
-                            <mainClass>org.baeldung.executable.ExecutableMavenJar</mainClass>
+                            <mainClass>com.baeldung.executable.ExecutableMavenJar</mainClass>
                         </configuration>
                     </execution>
                 </executions>
diff --git a/core-java-modules/core-java-sun/pom.xml b/core-java-modules/core-java-sun/pom.xml
index 03b6646fec..c17bb6b8fc 100644
--- a/core-java-modules/core-java-sun/pom.xml
+++ b/core-java-modules/core-java-sun/pom.xml
@@ -49,7 +49,7 @@
                         <manifest>
                             <addClasspath>true</addClasspath>
                             <classpathPrefix>libs/</classpathPrefix>
-                            <mainClass>org.baeldung.executable.ExecutableMavenJar</mainClass>
+                            <mainClass>com.baeldung.executable.ExecutableMavenJar</mainClass>
                         </manifest>
                     </archive>
                 </configuration>