diff --git a/gemc.cc b/gemc.cc
index 6ed24c26..6137b869 100644
--- a/gemc.cc
+++ b/gemc.cc
@@ -28,7 +28,7 @@
 /// \author \n © Maurizio Ungaro
 /// \author e-mail: ungaro@jlab.org\n\n\n
 
-const char *GEMC_VERSION = "gemc 2.9";
+const char *GEMC_VERSION = "gemc 2.11";
 
 // G4 headers
 #include "G4RunManager.hh"