diff --git a/guacamole/web-client/ant/build.properties b/guacamole/web-client/ant/build.properties
index 5fa6766cc..10b783cf0 100644
--- a/guacamole/web-client/ant/build.properties
+++ b/guacamole/web-client/ant/build.properties
@@ -7,7 +7,7 @@ build.dir=build
 dist.dir=dist
 doc.dir=doc
 
-guac.version=0.3.0rc1
+guac.version=0.3.1rc1
 tar.dir=guacamole-${guac.version}
 tar.src.dir=guacamole-src