diff --git a/VERSION b/VERSION
index a9d083f6a92a752536543a40b78ba387dcbf48a8..07cf6761b6a8764f0d2ee27bf833bc5c6c2d1162 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-1.5.1-rc3
+1.5.1-rc4