diff --git a/src/ripple/protocol/impl/BuildInfo.cpp b/src/ripple/protocol/impl/BuildInfo.cpp
index a4b08a8c1..47595e892 100644
--- a/src/ripple/protocol/impl/BuildInfo.cpp
+++ b/src/ripple/protocol/impl/BuildInfo.cpp
@@ -32,7 +32,7 @@ namespace BuildInfo {
 //  and follow the format described at http://semver.org/
 //------------------------------------------------------------------------------
 // clang-format off
-char const* const versionString = "1.6.0-b3"
+char const* const versionString = "1.6.0-b4"
 // clang-format on
 
 #if defined(DEBUG) || defined(SANITIZER)