diff --git a/modules/core/include/opencv2/core/version.hpp b/modules/core/include/opencv2/core/version.hpp
index 00172f809e04d1684b8edaa8595a7e16810522df..95d31926fc30395338a4ae5e0e7a33bfb6e139d8 100644
--- a/modules/core/include/opencv2/core/version.hpp
+++ b/modules/core/include/opencv2/core/version.hpp
@@ -8,7 +8,7 @@
 #define CV_VERSION_MAJOR    3
 #define CV_VERSION_MINOR    4
 #define CV_VERSION_REVISION 12
-#define CV_VERSION_STATUS   "-pre"
+#define CV_VERSION_STATUS   "-dev"
 
 #define CVAUX_STR_EXP(__A)  #__A
 #define CVAUX_STR(__A)      CVAUX_STR_EXP(__A)