diff --git a/tools/libxc/Makefile b/tools/libxc/Makefile
index 63be3d3f0f..f77677cb3a 100644
--- a/tools/libxc/Makefile
+++ b/tools/libxc/Makefile
@@ -1,7 +1,7 @@
 XEN_ROOT = $(CURDIR)/../..
 include $(XEN_ROOT)/tools/Rules.mk
 
-MAJOR    = 4.4
+MAJOR    = 4.5
 MINOR    = 0
 
 CTRL_SRCS-y       :=
diff --git a/tools/libxl/Makefile b/tools/libxl/Makefile
index 7fc42c8174..8dd8c957b0 100644
--- a/tools/libxl/Makefile
+++ b/tools/libxl/Makefile
@@ -5,7 +5,7 @@
 XEN_ROOT = $(CURDIR)/../..
 include $(XEN_ROOT)/tools/Rules.mk
 
-MAJOR = 4.4
+MAJOR = 4.5
 MINOR = 0
 
 XLUMAJOR = 4.3