diff --git a/CHANGELOG b/CHANGELOG
index 2565fb4a..1829b2de 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,4 @@
+2024-01-01 (7f9eb94): build system update
 2023-12-31 (3b12af2): prepare next release 3.4
 2023-12-31 (98959ab): prepare next release 3.4
 2023-12-31 (f986d63): prepare next release 3.4
diff --git a/openhantek/src/OH_VERSION.h b/openhantek/src/OH_VERSION.h
index 368b1572..bd60b4e3 100644
--- a/openhantek/src/OH_VERSION.h
+++ b/openhantek/src/OH_VERSION.h
@@ -9,7 +9,7 @@
 
 // next line shall define either OH_VERSION or LAST_OH_VERSION
 //
-#define OH_VERSION "3.4-rc1"
+#define LAST_OH_VERSION "3.3.3"
 
 
 // do not edit below