diff --git a/VERSION b/VERSION
index 26ca594609a93d60b6543102d639fa76b50a6925..4f6778e244d83ecc8a436755c38d6b4ef3399b58 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-1.5.1
+1.5.2-alpha1