diff --git a/core/pom.xml b/core/pom.xml
index e023d5ba..28aa3559 100644
--- a/core/pom.xml
+++ b/core/pom.xml
@@ -121,7 +121,6 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-javadoc-plugin</artifactId>
-                <version>2.9.1</version>
                 <executions>
                     <execution>
                         <id>attach-javadocs</id>
@@ -181,6 +180,7 @@
                                         <urn>org.apache.maven.plugins:maven-enforcer-plugin:1.2:maven-plugin:null:runtime:6b755a9a0d618f8f57c0b5c4a0737a012e710a46</urn>
                                         <urn>org.apache.maven.plugins:maven-install-plugin:2.5.1:maven-plugin:null:runtime:b6f5a4b621b9c26699c8deadb20fdc35ce568e35</urn>
                                         <urn>org.apache.maven.plugins:maven-jar-plugin:2.5:maven-plugin:null:runtime:344d667f5ec8b90d03d698d096a1147672fc522f</urn>
+                                        <urn>org.apache.maven.plugins:maven-javadoc-plugin:2.9.1:maven-plugin:null:runtime:95ea7abf00e37e08bd927bf7e448c1e7fe4c6cb9</urn>
                                         <urn>org.apache.maven.plugins:maven-resources-plugin:2.6:maven-plugin:null:runtime:dd093ff6a4b680eae7ae83b5ab04310249fc6590</urn>
                                         <urn>org.apache.maven.plugins:maven-shade-plugin:2.3:maven-plugin:null:runtime:d136adc7abccc9c12adcad6ae7a9bc51b2b7184b</urn>
                                         <urn>org.apache.maven.plugins:maven-site-plugin:3.3:maven-plugin:null:runtime:77ba1752b1ac4c4339d6f11554800960a56a4ae1</urn>
diff --git a/orchid/pom.xml b/orchid/pom.xml
index d52d04ef..4befbec8 100644
--- a/orchid/pom.xml
+++ b/orchid/pom.xml
@@ -128,7 +128,6 @@
                     <plugin>
                         <groupId>org.apache.maven.plugins</groupId>
                         <artifactId>maven-javadoc-plugin</artifactId>
-                        <version>2.9.1</version>
                         <executions>
                             <execution>
                                 <id>attach-javadocs</id>
diff --git a/pom.xml b/pom.xml
index f567c29b..6bfa338a 100644
--- a/pom.xml
+++ b/pom.xml
@@ -118,6 +118,10 @@
           <artifactId>maven-jar-plugin</artifactId>
           <version>2.5</version>
         </plugin>
+        <plugin>
+          <artifactId>maven-javadoc-plugin</artifactId>
+          <version>2.9.1</version>
+        </plugin>
         <plugin>
           <artifactId>maven-resources-plugin</artifactId>
           <version>2.6</version>
@@ -209,7 +213,6 @@
                   <plugin>
                       <groupId>org.apache.maven.plugins</groupId>
                       <artifactId>maven-javadoc-plugin</artifactId>
-                      <version>2.9.1</version>
                       <executions>
                           <execution>
                               <id>attach-javadocs</id>