diff --git a/src/mcfost_env.f90 b/src/mcfost_env.f90
index 815a6825..1c908613 100644
--- a/src/mcfost_env.f90
+++ b/src/mcfost_env.f90
@@ -5,7 +5,7 @@ module mcfost_env
   implicit none
 
   real, parameter :: mcfost_version = 4.1
-  character(8), parameter :: mcfost_release = "4.1.03"
+  character(8), parameter :: mcfost_release = "4.1.04"
   real, parameter :: required_utils_version = 4.0
 
   !character(len=128) :: web_server    = "https://ipag.osug.fr/public/pintec/"