diff --git a/include/acpi/acpixf.h b/include/acpi/acpixf.h
index 982110134672..a323a7cc1224 100644
--- a/include/acpi/acpixf.h
+++ b/include/acpi/acpixf.h
@@ -47,7 +47,7 @@
 
 /* Current ACPICA subsystem version in YYYYMMDD format */
 
-#define ACPI_CA_VERSION                 0x20120320
+#define ACPI_CA_VERSION                 0x20120420
 
 #include "acconfig.h"
 #include "actypes.h"