diff --git a/base.cpp b/base.cpp
index 2f56d91..81080ec 100644
--- a/base.cpp
+++ b/base.cpp
@@ -16,7 +16,7 @@ using namespace std;
 typedef uint32_t DepthType; // type for depth of coverage, kept it small
 const char ref_char = '>';  // reference prefix for "counts" output
 
-const string VERSION = "%prog 1.3.3"
+const string VERSION = "%prog 1.3.5"
 	"\nCopyright (C) 2014-2019 Giovanni Birolo and Andrea Telatin\n"
 	"https://github.com/telatin/covtobed - License MIT"
 	".\n"