diff --git a/package-lock.json b/package-lock.json
index ef6f5ae..490ef10 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@orionprotocol/sdk",
-  "version": "0.20.10-rc29",
+  "version": "0.20.10-rc30",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "@orionprotocol/sdk",
-      "version": "0.20.10-rc29",
+      "version": "0.20.10-rc30",
       "hasInstallScript": true,
       "license": "ISC",
       "dependencies": {
diff --git a/package.json b/package.json
index f812cf3..de2c3bb 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@orionprotocol/sdk",
-  "version": "0.20.10-rc29",
+  "version": "0.20.10-rc30",
   "description": "Orion Protocol SDK",
   "main": "./lib/index.cjs",
   "module": "./lib/index.js",
diff --git a/src/services/Indexer/index.ts b/src/services/Indexer/index.ts
index 8000ea3..4d50c45 100644
--- a/src/services/Indexer/index.ts
+++ b/src/services/Indexer/index.ts
@@ -124,7 +124,7 @@ class IndexerService {
     return BigNumber(amount).dividedBy(this.getK(timestamp));
   };
 
-  readonly getAmountByORN = (amountToken: number, timeLock: number) => {
+  readonly getAmountByORN = (amountToken: string, timeLock: number) => {
     const alpha = 730 / (30 - Math.sqrt(730 / 7)) ** (1 / 3);
     const timestamp = Date.now() / 1000;