diff --git a/CHANGELOG.md b/CHANGELOG.md
index b03fb9fb23..0aa1a58d3d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,13 @@
 
 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.
 
+### [1.39.1](https://github.com/rudderlabs/rudder-transformer/compare/v1.39.0...v1.39.1) (2023-08-28)
+
+
+### Bug Fixes
+
+* faas pods creation failure due to caching ([9b88c30](https://github.com/rudderlabs/rudder-transformer/commit/9b88c309856698e479858cfe78a0c0166a312f47))
+
 ## [1.39.0](https://github.com/rudderlabs/rudder-transformer/compare/v1.38.0...v1.39.0) (2023-08-20)
 
 
diff --git a/package-lock.json b/package-lock.json
index b3be1488a3..387d2a1671 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "rudder-transformer",
-  "version": "1.39.0",
+  "version": "1.39.1",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "rudder-transformer",
-      "version": "1.39.0",
+      "version": "1.39.1",
       "license": "ISC",
       "dependencies": {
         "@amplitude/ua-parser-js": "^0.7.24",
diff --git a/package.json b/package.json
index 62c0c11601..557bc9b4cb 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "rudder-transformer",
-  "version": "1.39.0",
+  "version": "1.39.1",
   "description": "",
   "homepage": "https://github.com/rudderlabs/rudder-transformer#readme",
   "bugs": {
diff --git a/src/util/openfaas/index.js b/src/util/openfaas/index.js
index 343b76be42..1b3e531ceb 100644
--- a/src/util/openfaas/index.js
+++ b/src/util/openfaas/index.js
@@ -92,8 +92,18 @@ const isFunctionDeployed = (functionName) => {
 
 const setFunctionInCache = (functionName) => {
   const funcList = functionListCache.get(FUNC_LIST_KEY) || [];
-  funcList.push(functionName);
-  functionListCache.set(FUNC_LIST_KEY, funcList);
+  if (funcList.includes(functionName)) return;
+  const funcListSet = new Set(funcList);
+  funcListSet.add(functionName);
+  functionListCache.set(FUNC_LIST_KEY, Array.from(funcListSet));
+};
+
+const removeFunctionFromCache = (functionName) => {
+  const funcList = functionListCache.get(FUNC_LIST_KEY) || [];
+  if (!funcList.includes(functionName)) return;
+  const funcListSet = new Set(funcList);
+  funcListSet.delete(functionName);
+  functionListCache.set(FUNC_LIST_KEY, Array.from(funcListSet));
 };
 
 const invalidateFnCache = () => {
@@ -150,7 +160,10 @@ const deployFaasFunction = async (functionName, code, versionId, libraryVersionI
     logger.error(`[Faas] Error while deploying ${functionName}: ${error.message}`);
     // To handle concurrent create requests,
     // throw retry error if deployment or service already exists so that request can be retried
-    if ((error.statusCode === 500 || error.statusCode === 400) && error.message.includes('already exists')) {
+    if (
+      (error.statusCode === 500 || error.statusCode === 400) &&
+      error.message.includes('already exists')
+    ) {
       setFunctionInCache(functionName);
       throw new RetryRequestError(`${functionName} already exists`);
     }
@@ -199,6 +212,7 @@ const executeFaasFunction = async (
       error.statusCode === 404 &&
       error.message.includes(`error finding function ${functionName}`)
     ) {
+      removeFunctionFromCache(functionName);
       await setupFaasFunction(functionName, null, versionId, libraryVersionIDs, testMode);
       throw new RetryRequestError(`${functionName} not found`);
     }