diff --git a/kernel/configs/arm64_kata_kvm_4.14.x b/kernel/configs/arm64_kata_kvm_4.14.x
index 8178ddb0b..bb408498b 100644
--- a/kernel/configs/arm64_kata_kvm_4.14.x
+++ b/kernel/configs/arm64_kata_kvm_4.14.x
@@ -510,7 +510,7 @@ CONFIG_NO_BOOTMEM=y
 # CONFIG_HAVE_BOOTMEM_INFO_NODE is not set
 CONFIG_MEMORY_HOTPLUG=y
 CONFIG_MEMORY_HOTPLUG_SPARSE=y
-# CONFIG_MEMORY_HOTPLUG_DEFAULT_ONLINE is not set
+CONFIG_MEMORY_HOTPLUG_DEFAULT_ONLINE=y
 CONFIG_SPLIT_PTLOCK_CPUS=4
 CONFIG_MEMORY_BALLOON=y
 # CONFIG_COMPACTION is not set
diff --git a/kernel/configs/x86_64_kata_kvm_4.14.x b/kernel/configs/x86_64_kata_kvm_4.14.x
index 56d0fd25c..94661e7cf 100644
--- a/kernel/configs/x86_64_kata_kvm_4.14.x
+++ b/kernel/configs/x86_64_kata_kvm_4.14.x
@@ -504,7 +504,7 @@ CONFIG_MEMORY_ISOLATION=y
 CONFIG_HAVE_BOOTMEM_INFO_NODE=y
 CONFIG_MEMORY_HOTPLUG=y
 CONFIG_MEMORY_HOTPLUG_SPARSE=y
-# CONFIG_MEMORY_HOTPLUG_DEFAULT_ONLINE is not set
+CONFIG_MEMORY_HOTPLUG_DEFAULT_ONLINE=y
 CONFIG_MEMORY_HOTREMOVE=y
 CONFIG_SPLIT_PTLOCK_CPUS=4
 CONFIG_ARCH_ENABLE_SPLIT_PMD_PTLOCK=y
diff --git a/kernel/configs/x86_64_kata_kvm_4.19.x b/kernel/configs/x86_64_kata_kvm_4.19.x
index 6df02faea..02dde3824 100644
--- a/kernel/configs/x86_64_kata_kvm_4.19.x
+++ b/kernel/configs/x86_64_kata_kvm_4.19.x
@@ -763,7 +763,7 @@ CONFIG_MEMORY_ISOLATION=y
 CONFIG_HAVE_BOOTMEM_INFO_NODE=y
 CONFIG_MEMORY_HOTPLUG=y
 CONFIG_MEMORY_HOTPLUG_SPARSE=y
-# CONFIG_MEMORY_HOTPLUG_DEFAULT_ONLINE is not set
+CONFIG_MEMORY_HOTPLUG_DEFAULT_ONLINE=y
 CONFIG_MEMORY_HOTREMOVE=y
 CONFIG_SPLIT_PTLOCK_CPUS=4
 CONFIG_MEMORY_BALLOON=y
diff --git a/kernel/kata_config_version b/kernel/kata_config_version
index 64bb6b746..e85087aff 100644
--- a/kernel/kata_config_version
+++ b/kernel/kata_config_version
@@ -1 +1 @@
-30
+31