diff --git a/CMakeLists.txt b/CMakeLists.txt
index c56773e3a581e5eb6341768a949e71639e397a6c..1ba9d0a620a32385c22d1891d1af5ef418285e04 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -94,7 +94,7 @@ add_custom_target(tags COMMAND ctags -R -f tags
 #
 set (CPACK_PACKAGE_VERSION_MAJOR "1")
 set (CPACK_PACKAGE_VERSION_MINOR "5")
-set (CPACK_PACKAGE_VERSION_PATCH "3")
+set (CPACK_PACKAGE_VERSION_PATCH "4")
 
 set (PACKAGE_VERSION "")