diff --git a/core/src/main/java/hudson/ClassicPluginStrategy.java b/core/src/main/java/hudson/ClassicPluginStrategy.java
index 261a92892abf67ffc9d07dca50c6f34e79b7b895..85e9d149c91ad8742771088cb247c58d848d4a99 100644
--- a/core/src/main/java/hudson/ClassicPluginStrategy.java
+++ b/core/src/main/java/hudson/ClassicPluginStrategy.java
@@ -273,7 +273,7 @@ public class ClassicPluginStrategy implements PluginStrategy {
         new DetachedPlugin("matrix-auth","1.535.*","1.0.2"),
         new DetachedPlugin("windows-slaves","1.547.*","1.0"),
         new DetachedPlugin("antisamy-markup-formatter","1.553.*","1.0"),
-        new DetachedPlugin("matrix-project","1.561.*","1.0")
+        new DetachedPlugin("matrix-project","1.561.*","1.0-beta-1")
     );
 
     /**
diff --git a/test/pom.xml b/test/pom.xml
index d317fd5763b4112d5db71e87e9da2a1f103d2887..6e7dcc09a7ea3fe6d3603d331a46f2a45a2f6d72 100644
--- a/test/pom.xml
+++ b/test/pom.xml
@@ -95,7 +95,7 @@ THE SOFTWARE.
     <dependency>
       <groupId>org.jenkins-ci.plugins</groupId>
       <artifactId>matrix-project</artifactId>
-      <version>1.0-SNAPSHOT</version>
+      <version>1.0-beta-1-SNAPSHOT</version>
     </dependency>
     <dependency>
       <groupId>org.mortbay.jetty</groupId>
diff --git a/war/pom.xml b/war/pom.xml
index 4826b098f4097f699023a86b87e10be5e88c88b6..a37cb2eb869a1f8238ebeb4d2a58cb00f8d1fa7c 100644
--- a/war/pom.xml
+++ b/war/pom.xml
@@ -361,6 +361,12 @@ THE SOFTWARE.
                   <version>1.1</version>
                   <type>hpi</type>
                 </artifactItem>
+                <artifactItem>
+                  <groupId>org.jenkins-ci.plugins</groupId>
+                  <artifactId>matrix-project</artifactId>
+                  <version>1.0-beta-1-SNAPSHOT</version>
+                  <type>hpi</type>
+                </artifactItem>
               </artifactItems>
               <outputDirectory>${project.build.directory}/${project.build.finalName}/WEB-INF/plugins</outputDirectory>
               <stripVersion>true</stripVersion>