diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6d18bb4..dd7313d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -27,7 +27,7 @@ project ( epa CXX C )
 
 set (epa_VERSION_MAJOR 0)
 set (epa_VERSION_MINOR 3)
-set (epa_VERSION_PATCH 3)
+set (epa_VERSION_PATCH 4)
 # set (epa_VERSION_BETA "beta")
 
 set (epa_PROJECT_VERSION "${epa_VERSION_MAJOR}")