diff --git a/Support/buildnumber.xcconfig b/Support/buildnumber.xcconfig
index 4ed940094b..002caa4a62 100644
--- a/Support/buildnumber.xcconfig
+++ b/Support/buildnumber.xcconfig
@@ -1,3 +1,3 @@
-BUILD_NUMBER = 2
-VERSION_STRING = 2.5.1
-GCC_PREPROCESSOR_DEFINITIONS = $(inherited) BITHOCKEY_VERSION="@\"2.5.1\""
+BUILD_NUMBER = 3
+VERSION_STRING = 2.5.2b1
+GCC_PREPROCESSOR_DEFINITIONS = $(inherited) BITHOCKEY_VERSION="@\"2.5.2b1\""