diff --git a/include/beast/version.hpp b/include/beast/version.hpp
index 009aaca8..e7009f52 100644
--- a/include/beast/version.hpp
+++ b/include/beast/version.hpp
@@ -20,7 +20,7 @@
     This is a simple integer that is incremented by one every time
     a set of code changes is merged to the master or develop branch.
 */
-#define BEAST_VERSION 39
+#define BEAST_VERSION 40
 
 #define BEAST_VERSION_STRING "Beast/" BEAST_STR(BEAST_VERSION)