Update the version number to distinguish HEAD from the released 0.4.1 version.
diff --git a/git-flow-version b/git-flow-version
index 51fd671..8c31499 100644
--- a/git-flow-version
+++ b/git-flow-version
@@ -36,7 +36,7 @@
 # policies, either expressed or implied, of Vincent Driessen.
 #
 
-GITFLOW_VERSION=0.4.1
+GITFLOW_VERSION=0.4.2-pre
 
 usage() {
 	echo "usage: git flow version"