diff --git a/kernel/configs/fragments/x86_64/acpi.conf b/kernel/configs/fragments/x86_64/acpi.conf
index 35365aa70..872a8a171 100644
--- a/kernel/configs/fragments/x86_64/acpi.conf
+++ b/kernel/configs/fragments/x86_64/acpi.conf
@@ -1 +1,5 @@
 CONFIG_X86_INTEL_PSTATE=y
+
+# For old smp systems that do not have proper acpi support.
+# Firecracker needs this to support `vcpu_count`
+CONFIG_X86_MPPARSE=y
diff --git a/kernel/kata_config_version b/kernel/kata_config_version
index b1e7d265f..a8fa06e1b 100644
--- a/kernel/kata_config_version
+++ b/kernel/kata_config_version
@@ -1 +1 @@
-61
+62