diff --git a/drivers/acpi/acpica/acconfig.h b/drivers/acpi/acpica/acconfig.h
index 1f30af613e87619d4ab7cfeec3d45dad1d15d386..3748f1a09851dd6142127491b18275917b6ddbc0 100644
--- a/drivers/acpi/acpica/acconfig.h
+++ b/drivers/acpi/acpica/acconfig.h
@@ -93,7 +93,7 @@
 
 /* Version of ACPI supported */
 
-#define ACPI_CA_SUPPORT_LEVEL           3
+#define ACPI_CA_SUPPORT_LEVEL           5
 
 /* Maximum count for a semaphore object */