diff --git a/package-lock.json b/package-lock.json
index 76f8fc9..3c7b35e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@consenlabs/tokenlon-mmsk",
-  "version": "5.2.5",
+  "version": "5.2.8",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "@consenlabs/tokenlon-mmsk",
-      "version": "5.2.5",
+      "version": "5.2.8",
       "license": "MIT",
       "dependencies": {
         "@0x/contract-addresses": "^4.11.0",
diff --git a/package.json b/package.json
index 91ce657..fbe25cc 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@consenlabs/tokenlon-mmsk",
-  "version": "5.2.6",
+  "version": "5.2.8",
   "description": "Tokenlon market maker server kit",
   "author": "imToken PTE. LTD.",
   "license": "MIT",