diff --git a/core/pom.xml b/core/pom.xml
index f0f204a70..da8b68c89 100644
--- a/core/pom.xml
+++ b/core/pom.xml
@@ -113,7 +113,6 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-source-plugin</artifactId>
-                <version>2.1.2</version>
                 <executions>
                     <execution>
                         <id>attach-sources</id>
diff --git a/orchid/pom.xml b/orchid/pom.xml
index e7141a09f..a645504df 100644
--- a/orchid/pom.xml
+++ b/orchid/pom.xml
@@ -40,7 +40,6 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-source-plugin</artifactId>
-                <version>2.1.2</version>
                 <executions>
                     <execution>
                         <id>attach-sources</id>
@@ -118,6 +117,10 @@
                     <artifactId>maven-site-plugin</artifactId>
                     <version>3.3</version>
                 </plugin>
+                <plugin>
+                    <artifactId>maven-source-plugin</artifactId>
+                    <version>2.1.2</version>
+                </plugin>
             </plugins>
         </pluginManagement>
 
diff --git a/pom.xml b/pom.xml
index 5f0693c37..b64ed9402 100644
--- a/pom.xml
+++ b/pom.xml
@@ -104,6 +104,10 @@
           <artifactId>maven-site-plugin</artifactId>
           <version>3.3</version>
         </plugin>
+        <plugin>
+          <artifactId>maven-source-plugin</artifactId>
+          <version>2.1.2</version>
+        </plugin>
       </plugins>
     </pluginManagement>
   </build>