diff --git a/deps/oblib/src/common/ob_version_def.h b/deps/oblib/src/common/ob_version_def.h
index 8992cb92e..05097c0c9 100644
--- a/deps/oblib/src/common/ob_version_def.h
+++ b/deps/oblib/src/common/ob_version_def.h
@@ -127,6 +127,7 @@ cal_version(const uint64_t major, const uint64_t minor, const uint64_t major_pat
 #define MOCK_CLUSTER_VERSION_4_2_4_0 (oceanbase::common::cal_version(4, 2, 4, 0))
 #define MOCK_CLUSTER_VERSION_4_2_5_0 (oceanbase::common::cal_version(4, 2, 5, 0))
 #define MOCK_CLUSTER_VERSION_4_2_5_1 (oceanbase::common::cal_version(4, 2, 5, 1))
+#define MOCK_CLUSTER_VERSION_4_2_5_2 (oceanbase::common::cal_version(4, 2, 5, 2))
 // new data version before 4.3 cannot upgrade to master, must add "MOCK_" prefix
 #define CLUSTER_VERSION_4_3_0_0 (oceanbase::common::cal_version(4, 3, 0, 0))
 #define CLUSTER_VERSION_4_3_0_1 (oceanbase::common::cal_version(4, 3, 0, 1))
@@ -167,6 +168,7 @@ cal_version(const uint64_t major, const uint64_t minor, const uint64_t major_pat
 #define MOCK_DATA_VERSION_4_2_4_0 (oceanbase::common::cal_version(4, 2, 4, 0))
 #define MOCK_DATA_VERSION_4_2_5_0 (oceanbase::common::cal_version(4, 2, 5, 0))
 #define MOCK_DATA_VERSION_4_2_5_1 (oceanbase::common::cal_version(4, 2, 5, 1))
+#define MOCK_DATA_VERSION_4_2_5_2 (oceanbase::common::cal_version(4, 2, 5, 2))
 // new data version before 4.3 cannot upgrade to master, must add "MOCK_" prefix
 #define DATA_VERSION_4_3_0_0 (oceanbase::common::cal_version(4, 3, 0, 0))
 #define DATA_VERSION_4_3_0_1 (oceanbase::common::cal_version(4, 3, 0, 1))
diff --git a/src/share/ob_upgrade_utils.cpp b/src/share/ob_upgrade_utils.cpp
index 003a9f999..bd2a1469d 100755
--- a/src/share/ob_upgrade_utils.cpp
+++ b/src/share/ob_upgrade_utils.cpp
@@ -57,6 +57,7 @@ const uint64_t ObUpgradeChecker::UPGRADE_PATH[] = {
   CALC_VERSION(4UL, 2UL, 4UL, 0UL),  // 4.2.4.0
   CALC_VERSION(4UL, 2UL, 5UL, 0UL),  // 4.2.5.0
   CALC_VERSION(4UL, 2UL, 5UL, 1UL),  // 4.2.5.1
+  CALC_VERSION(4UL, 2UL, 5UL, 2UL),  // 4.2.5.2
   CALC_VERSION(4UL, 3UL, 0UL, 0UL),  // 4.3.0.0
   CALC_VERSION(4UL, 3UL, 0UL, 1UL),  // 4.3.0.1
   CALC_VERSION(4UL, 3UL, 1UL, 0UL),  // 4.3.1.0
@@ -95,6 +96,7 @@ int ObUpgradeChecker::get_data_version_by_cluster_version(
     CONVERT_CLUSTER_VERSION_TO_DATA_VERSION(MOCK_CLUSTER_VERSION_4_2_4_0, MOCK_DATA_VERSION_4_2_4_0)
     CONVERT_CLUSTER_VERSION_TO_DATA_VERSION(MOCK_CLUSTER_VERSION_4_2_5_0, MOCK_DATA_VERSION_4_2_5_0)
     CONVERT_CLUSTER_VERSION_TO_DATA_VERSION(MOCK_CLUSTER_VERSION_4_2_5_1, MOCK_DATA_VERSION_4_2_5_1)
+    CONVERT_CLUSTER_VERSION_TO_DATA_VERSION(MOCK_CLUSTER_VERSION_4_2_5_2, MOCK_DATA_VERSION_4_2_5_2)
     CONVERT_CLUSTER_VERSION_TO_DATA_VERSION(CLUSTER_VERSION_4_3_0_0, DATA_VERSION_4_3_0_0)
     CONVERT_CLUSTER_VERSION_TO_DATA_VERSION(CLUSTER_VERSION_4_3_0_1, DATA_VERSION_4_3_0_1)
     CONVERT_CLUSTER_VERSION_TO_DATA_VERSION(CLUSTER_VERSION_4_3_1_0, DATA_VERSION_4_3_1_0)
@@ -693,6 +695,7 @@ int ObUpgradeProcesserSet::init(
     INIT_PROCESSOR_BY_VERSION(4, 2, 4, 0);
     INIT_PROCESSOR_BY_VERSION(4, 2, 5, 0);
     INIT_PROCESSOR_BY_VERSION(4, 2, 5, 1);
+    INIT_PROCESSOR_BY_VERSION(4, 2, 5, 2);
     INIT_PROCESSOR_BY_VERSION(4, 3, 0, 0);
     INIT_PROCESSOR_BY_VERSION(4, 3, 0, 1);
     INIT_PROCESSOR_BY_VERSION(4, 3, 1, 0);
diff --git a/src/share/ob_upgrade_utils.h b/src/share/ob_upgrade_utils.h
index 7f30f4928..67b7ce388 100755
--- a/src/share/ob_upgrade_utils.h
+++ b/src/share/ob_upgrade_utils.h
@@ -176,7 +176,7 @@ public:
              const uint64_t cluster_version,
              uint64_t &data_version);
 public:
-  static const int64_t DATA_VERSION_NUM = 25;
+  static const int64_t DATA_VERSION_NUM = 26;
   static const uint64_t UPGRADE_PATH[];
 };
 
@@ -246,6 +246,7 @@ DEF_SIMPLE_UPGRARD_PROCESSER(4, 2, 3, 1)
 DEF_SIMPLE_UPGRARD_PROCESSER(4, 2, 4, 0)
 DEF_SIMPLE_UPGRARD_PROCESSER(4, 2, 5, 0)
 DEF_SIMPLE_UPGRARD_PROCESSER(4, 2, 5, 1)
+DEF_SIMPLE_UPGRARD_PROCESSER(4, 2, 5, 2)
 DEF_SIMPLE_UPGRARD_PROCESSER(4, 3, 0, 0)
 DEF_SIMPLE_UPGRARD_PROCESSER(4, 3, 0, 1)