diff --git a/pom.xml b/pom.xml
index ecda361..0da55fe 100644
--- a/pom.xml
+++ b/pom.xml
@@ -111,6 +111,36 @@
                 </exclusion>
             </exclusions>
         </dependency>
+
+        <!-- sources -->
+        <dependency>
+            <groupId>${pkgGroupId}</groupId>
+            <artifactId>${pkgArtifactId}</artifactId>
+            <version>${pkgVersion}</version>
+            <classifier>sources</classifier>
+            <exclusions>
+                <exclusion>
+                    <groupId>org.springframework</groupId>
+                    <artifactId>spring-aop</artifactId>
+                </exclusion>
+                <exclusion>
+                    <groupId>org.springframework</groupId>
+                    <artifactId>spring-beans</artifactId>
+                </exclusion>
+                <exclusion>
+                    <groupId>org.springframework</groupId>
+                    <artifactId>spring-context</artifactId>
+                </exclusion>
+                <exclusion>
+                    <groupId>org.springframework</groupId>
+                    <artifactId>spring-core</artifactId>
+                </exclusion>
+                <exclusion>
+                    <groupId>org.springframework</groupId>
+                    <artifactId>spring-oxm</artifactId>
+                </exclusion>
+            </exclusions>
+        </dependency>
     </dependencies>
 
     <build>