diff --git a/CHANGELOG.md b/CHANGELOG.md
index 51d0fec..85ee7e9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,25 @@
 
 All notable changes to this project will be documented in this file. See [standard-version](https://github.com/conventional-changelog/standard-version) for commit guidelines.
 
+### [0.0.1-alpha.134](https://github.com/DIG-Network/dig-propagation-server/compare/v0.0.1-alpha.133...v0.0.1-alpha.134) (2024-10-10)
+
+
+### Features
+
+* add promise interval to resetttl every 30 seconds while waiting for promises ([013305c](https://github.com/DIG-Network/dig-propagation-server/commit/013305cd1d0c424b0693722954bab029a8ead612))
+
+
+### Bug Fixes
+
+* upload session ttl ([6d12f18](https://github.com/DIG-Network/dig-propagation-server/commit/6d12f18425f185ad91c8b3d2922a42e37b10aab6))
+
+### [0.0.1-alpha.133](https://github.com/DIG-Network/dig-propagation-server/compare/v0.0.1-alpha.132...v0.0.1-alpha.133) (2024-10-10)
+
+
+### Features
+
+* update sdk ([8cbd893](https://github.com/DIG-Network/dig-propagation-server/commit/8cbd89328b8a46c08f352d982cbfc7f18ca4f0e8))
+
 ### [0.0.1-alpha.132](https://github.com/DIG-Network/dig-propagation-server/compare/v0.0.1-alpha.131...v0.0.1-alpha.132) (2024-10-08)
 
 ### [0.0.1-alpha.131](https://github.com/DIG-Network/dig-propagation-server/compare/v0.0.1-alpha.130...v0.0.1-alpha.131) (2024-10-08)
diff --git a/package-lock.json b/package-lock.json
index 3b1a011..1f0d63b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "dig-propagation-server",
-  "version": "0.0.1-alpha.132",
+  "version": "0.0.1-alpha.134",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "dig-propagation-server",
-      "version": "0.0.1-alpha.132",
+      "version": "0.0.1-alpha.134",
       "license": "ISC",
       "dependencies": {
         "@dignetwork/datalayer-driver": "^0.1.28",
diff --git a/package.json b/package.json
index 64533ef..a9ea979 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "dig-propagation-server",
-  "version": "0.0.1-alpha.132",
+  "version": "0.0.1-alpha.134",
   "description": "",
   "type": "commonjs",
   "main": "./dist/index.js",
diff --git a/src/controllers/merkleTreeController.ts b/src/controllers/merkleTreeController.ts
index 35e8cce..f2d05ea 100644
--- a/src/controllers/merkleTreeController.ts
+++ b/src/controllers/merkleTreeController.ts
@@ -70,6 +70,31 @@ function createSessionWithTTL(): string {
   return sessionId;
 }
 
+const withIntervalCallback = <T>(
+  promise: Promise<T>,
+  callback: () => void
+): Promise<T> => {
+  const intervalTime = 30000; // 30 seconds in milliseconds
+
+  let intervalId: NodeJS.Timeout;
+
+  // Start the interval that calls the callback every 30 seconds
+  intervalId = setInterval(() => {
+    callback();
+  }, intervalTime);
+
+  // Return a new promise that clears the interval when the original promise settles
+  return promise
+    .then((result) => {
+      clearInterval(intervalId);
+      return result;
+    })
+    .catch((error) => {
+      clearInterval(intervalId);
+      throw error;
+    });
+};
+
 /**
  * Cleans up the session directory after the TTL expires or the upload is complete.
  *
@@ -411,6 +436,8 @@ export const generateFileNonce = async (
       throw new HttpError(404, "Upload session not found.");
     }
 
+    session.resetTtl();
+
     // File path in the session's temporary directory
     const tmpFilePath = path.join(session.tmpDir, filename);
     const mainFilePath = path.join(digFolderPath, "stores", storeId, filename);
@@ -429,6 +456,7 @@ export const generateFileNonce = async (
 
     // Return 200 status with no body, as per HEAD request specification
     res.status(200).end();
+    session.resetTtl();
   } catch (error: any) {
     console.error("Error generating nonce:", error);
     const statusCode = error instanceof HttpError ? error.statusCode : 500;
@@ -468,6 +496,14 @@ export const uploadFile = async (
       throw new HttpError(401, "Invalid nonce.");
     }
 
+    // Check if the session exists in the cache and reset the TTL if found
+    const session = sessionCache[sessionId];
+    if (!session) {
+      throw new HttpError(404, "Session not found or expired.");
+    }
+
+    session.resetTtl();
+
     // Validate the key ownership signature using the nonce
     const isSignatureValid = await Wallet.verifyKeyOwnershipSignature(
       nonce,
@@ -479,20 +515,15 @@ export const uploadFile = async (
       throw new HttpError(401, "Invalid key ownership signature.");
     }
 
-    // Check if the session exists in the cache and reset the TTL if found
-    const session = sessionCache[sessionId];
-    if (!session) {
-      throw new HttpError(404, "Session not found or expired.");
-    }
-
     // Check if the user has write permissions to the store
     const cacheKey = `${publicKey}_${storeId}`;
     let isOwner = ownerCache.get<boolean>(cacheKey);
 
     if (isOwner === undefined) {
       const dataStore = new DataStore(storeId, { disableInitialize: true });
-      isOwner = await dataStore.hasMetaWritePermissions(
-        Buffer.from(publicKey, "hex")
+      isOwner = await withIntervalCallback(
+        dataStore.hasMetaWritePermissions(Buffer.from(publicKey, "hex")),
+        session.resetTtl
       );
       ownerCache.set(cacheKey, isOwner);
     }
@@ -501,6 +532,8 @@ export const uploadFile = async (
       throw new HttpError(403, "You do not have write access to this store.");
     }
 
+    session.resetTtl();
+
     // Use Busboy to handle file uploads
     const bb = Busboy({ headers: req.headers });
 
@@ -568,12 +601,15 @@ export const uploadFile = async (
 
           if (filename.includes("data/")) {
             if (
-              !(await merkleIntegrityCheck(
-                rootHashDatPath,
-                session.tmpDir,
-                filename,
-                session.roothash || "",
-                sha256Digest
+              !(await withIntervalCallback(
+                merkleIntegrityCheck(
+                  rootHashDatPath,
+                  session.tmpDir,
+                  filename,
+                  session.roothash || "",
+                  sha256Digest
+                ),
+                session.resetTtl
               ))
             ) {
               cleanupSession(sessionId);
@@ -650,6 +686,7 @@ export const commitUpload = async (
     const datFileContent = JSON.parse(fs.readFileSync(datFilePath, "utf-8"));
 
     for (const [fileKey, fileData] of Object.entries(datFileContent.files)) {
+      session.resetTtl();
       const dataPath = getFilePathFromSha256(
         datFileContent.files[fileKey].sha256,
         "data"
@@ -684,10 +721,13 @@ export const commitUpload = async (
     }
 
     // Merge the session upload directory with the final directory
-    fsExtra.copySync(sessionUploadDir, finalDir, {
-      overwrite: false, // Prevents overwriting existing files
-      errorOnExist: false, // No error if file already exists
-    });
+    await withIntervalCallback(
+      fsExtra.copy(sessionUploadDir, finalDir, {
+        overwrite: false, // Prevents overwriting existing files
+        errorOnExist: false, // No error if file already exists
+      }),
+      session.resetTtl
+    );
 
     // Regenerate the manifest file based on the upload
     const dataStore = new DataStore(storeId, { disableInitialize: true });
diff --git a/src/utils/nonce.ts b/src/utils/nonce.ts
index 3769160..b6bfb57 100644
--- a/src/utils/nonce.ts
+++ b/src/utils/nonce.ts
@@ -2,7 +2,7 @@ import crypto from "crypto";
 import NodeCache from "node-cache";
 
 // Create a new NodeCache instance with a 5-minute TTL for nonces
-const nonceCache = new NodeCache({ stdTTL: 5 * 60, checkperiod: 60 }); // Check every minute for expired entries
+const nonceCache = new NodeCache({ stdTTL: 10 * 60  });
 
 /**
  * Function to generate and store nonce in NodeCache.