diff --git a/simian/project.xml b/simian/project.xml
index 3b82b21d..843f2f6b 100644
--- a/simian/project.xml
+++ b/simian/project.xml
@@ -100,7 +100,7 @@
     <dependency>
       <groupId>ant</groupId>
       <artifactId>ant</artifactId>
-      <version>1.5.3.1</version>
+      <version>1.5.3-1</version>
       <url>http://ant.apache.org/</url>
     </dependency>
     <dependency>