diff --git a/buildtools/version.py b/buildtools/version.py
index 2fdea93e..96665c09 100644
--- a/buildtools/version.py
+++ b/buildtools/version.py
@@ -13,6 +13,6 @@
 
 VER_MAJOR        = 2      # The first three must match wxWidgets
 VER_MINOR        = 9
-VER_RELEASE      = 3
+VER_RELEASE      = 4
 VER_SUBREL       = 80     # wxPython release num for x.y.z release of wxWidgets
 VER_FLAGS        = ""     # release flags, such as prerelease or RC num, etc.