diff --git a/src/ripple/protocol/impl/BuildInfo.cpp b/src/ripple/protocol/impl/BuildInfo.cpp
index bf8f64a81..2935e82e1 100644
--- a/src/ripple/protocol/impl/BuildInfo.cpp
+++ b/src/ripple/protocol/impl/BuildInfo.cpp
@@ -35,7 +35,7 @@ char const* getRawVersionString ()
     //
     //  The build version number (edit this for each release)
     //
-        "0.31.0-b3"
+        "0.31.0-b4"
     //
     //  Must follow the format described here:
     //