diff --git a/Makefile.in b/Makefile.in
index 7aae79dc995..e4810f02d8c 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -77,7 +77,7 @@
 # See also the section "Build instructions" in the README file.
 
 # Interpreter version number, for library destination pathnames
-VERSION=	1.4
+VERSION=	1.5
 
 # Substitutions by configure
 srcdir=		@srcdir@
diff --git a/Modules/Makefile.pre.in b/Modules/Makefile.pre.in
index de2b107b570..2d81409dda2 100644
--- a/Modules/Makefile.pre.in
+++ b/Modules/Makefile.pre.in
@@ -7,7 +7,7 @@
 # creates config.c from config.c.in in the source directory.)
 
 # Interpreter version number, for library destination pathnames
-VERSION=	1.4
+VERSION=	1.5
 
 # === Variables set by makesetup ===