diff --git a/Makefile b/Makefile
index f53346bb9c73220b38fe816fdb3424e38010b9b4..a72cb50d9a254b916c636c026bb94f23bc22a3cb 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 ##
 ## Makefile for Miosix embedded OS
 ##
-MAKEFILE_VERSION := 1.04
+MAKEFILE_VERSION := 1.05
 ## Path to kernel directory (edited by init_project_out_of_git_repo.pl)
 KPATH := miosix
 ## Path to config directory (edited by init_project_out_of_git_repo.pl)
diff --git a/miosix/Makefile b/miosix/Makefile
index f7d2f29a305e75be680fa488395aa9bdfd45fdb3..a0f1062a7f314344f30e1c8cc163d2d16131c587 100644
--- a/miosix/Makefile
+++ b/miosix/Makefile
@@ -2,7 +2,7 @@
 ## Makefile for Miosix embedded OS
 ## This makefile builds the whole kernel
 ##
-MAKEFILE_VERSION := 1.04
+MAKEFILE_VERSION := 1.05
 ## KPATH and CONFPATH are forwarded by the parent Makefile
 include $(CONFPATH)/config/Makefile.inc
 
diff --git a/miosix/_examples/sad_trombone/Makefile b/miosix/_examples/sad_trombone/Makefile
index 50467d33ccb4f2a6869e80e8b6999199f5c7df8f..406e202cbe70bf82d4e8920a3398803630066cae 100644
--- a/miosix/_examples/sad_trombone/Makefile
+++ b/miosix/_examples/sad_trombone/Makefile
@@ -1,7 +1,7 @@
 ##
 ## Makefile for Miosix embedded OS
 ##
-MAKEFILE_VERSION := 1.04
+MAKEFILE_VERSION := 1.05
 ## Path to kernel directory (edited by init_project_out_of_git_repo.pl)
 KPATH := miosix
 ## Path to config directory (edited by init_project_out_of_git_repo.pl)
diff --git a/miosix/config/Makefile.inc b/miosix/config/Makefile.inc
index da96779ec8f7f453eaf360ba9cac32137212bfcc..9bd518ac5864b7dd6c978b7d25d817fad3b4c769 100644
--- a/miosix/config/Makefile.inc
+++ b/miosix/config/Makefile.inc
@@ -318,7 +318,7 @@ endif
 ## a new board or porting Miosix to a new architecture                    ##
 ############################################################################
 
-ifneq ($(MAKEFILE_VERSION),1.04)
+ifneq ($(MAKEFILE_VERSION),1.05)
     $(info You are using an incompatible makefile. Make sure it matches \
       the one distributed with the current version of the kernel)
     $(error Error)