diff --git a/core/src/main/java/hudson/ClassicPluginStrategy.java b/core/src/main/java/hudson/ClassicPluginStrategy.java
index acf4f4a52a..a632983fc5 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-beta-1")
+        new DetachedPlugin("matrix-project","1.561.*","1.0")
     );
 
     /**
diff --git a/war/pom.xml b/war/pom.xml
index a44b97b7a2..af8291291a 100644
--- a/war/pom.xml
+++ b/war/pom.xml
@@ -364,7 +364,7 @@ THE SOFTWARE.
                 <artifactItem>
                   <groupId>org.jenkins-ci.plugins</groupId>
                   <artifactId>matrix-project</artifactId>
-                  <version>1.0-beta-1</version>
+                  <version>1.0</version>
                   <type>hpi</type>
                 </artifactItem>
               </artifactItems>