diff --git a/Makefile.in b/Makefile.in
index 3dd12b1d5..baa50b539 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -90,7 +90,7 @@ TEXI2PDF=texi2pdf
 #4.1VPATH=@srcdir@:@srcdir@/OPTYap
 CWD=$(PWD)
 #
-VERSION=Yap-4.5.3
+VERSION=Yap-4.5.4
 #
 
 TAG_HEADERS=  Tags_32bits.h Tags_32Ops.h Tags_32LowTag.h\