diff --git a/Versions.cmake b/Versions.cmake
index f0e9643..3a4daa5 100644
--- a/Versions.cmake
+++ b/Versions.cmake
@@ -1,6 +1,6 @@
 # Version number components
 set (WSJTX_VERSION_MAJOR 0)
 set (WSJTX_VERSION_MINOR 6)
-set (WSJTX_VERSION_PATCH 3)
+set (WSJTX_VERSION_PATCH 4)
 set (WSJTX_RC 0)		 # release candidate number, comment out or zero for development versions
 set (WSJTX_VERSION_IS_RELEASE 0) # set to 1 for final release build