TILES-548: mvn release:perfom fails on Maven 3.0.4

git-svn-id: https://svn.apache.org/repos/asf/tiles/framework/trunk@1360217 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/assembly/pom.xml b/assembly/pom.xml
index 08c9d86..5ce16ad 100644
--- a/assembly/pom.xml
+++ b/assembly/pom.xml
@@ -123,7 +123,14 @@
           <plugin>
             <groupId>org.codehaus.mojo</groupId>
             <artifactId>wagon-maven-plugin</artifactId>
-            <version>1.0-beta-4</version>
+            <version>1.0</version>
+            <dependencies>
+              <dependency>
+                <groupId>org.apache.maven.wagon</groupId>
+                <artifactId>wagon-ssh</artifactId>
+                <version>1.0</version>
+              </dependency>
+            </dependencies>
             <executions>
               <execution>
                 <phase>deploy</phase>