diff --git a/Support/buildnumber.xcconfig b/Support/buildnumber.xcconfig
index 4515edad46..4ed940094b 100644
--- a/Support/buildnumber.xcconfig
+++ b/Support/buildnumber.xcconfig
@@ -1,3 +1,3 @@
-BUILD_NUMBER = 1
+BUILD_NUMBER = 2
 VERSION_STRING = 2.5.1
 GCC_PREPROCESSOR_DEFINITIONS = $(inherited) BITHOCKEY_VERSION="@\"2.5.1\""