diff --git a/CHANGES b/CHANGES
index cb9c0177fc..b68469fc5d 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,4 +1,8 @@
 
+2.0-571 | 2012-05-30 19:12:43 -0700
+
+  * Updating submodule(s).
+
 2.0-570 | 2012-05-30 19:08:18 -0700
 
   * A new input framework enables scripts to read in external data
diff --git a/VERSION b/VERSION
index dea7c2bf67..b3387dc11b 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-2.0-570
+2.0-571
diff --git a/aux/btest b/aux/btest
index 3ee8d4b323..4697bf4c80 160000
--- a/aux/btest
+++ b/aux/btest
@@ -1 +1 @@
-Subproject commit 3ee8d4b3232d74ed7bd475819193ad3a4055e2f5
+Subproject commit 4697bf4c8046a3ab7d5e00e926c5db883cb44664