diff --git a/docs/gitbook/CHANGELOG.md b/docs/gitbook/CHANGELOG.md
index 3ce6ed1a2a..dfbfb8b6cb 100644
--- a/docs/gitbook/CHANGELOG.md
+++ b/docs/gitbook/CHANGELOG.md
@@ -1,3 +1,10 @@
+## [1.20.1](https://github.com/taskforcesh/bullmq/compare/v1.20.0...v1.20.1) (2021-04-22)
+
+
+### Bug Fixes
+
+* **worker:** make token optional in processor function fixes [#490](https://github.com/taskforcesh/bullmq/issues/490) ([3940bd7](https://github.com/taskforcesh/bullmq/commit/3940bd71c6faf3bd5fce572b9c1f11cb5b5d2123))
+
 # [1.20.0](https://github.com/taskforcesh/bullmq/compare/v1.19.3...v1.20.0) (2021-04-21)
 
 
diff --git a/docs/gitbook/api/bullmq.processor.md b/docs/gitbook/api/bullmq.processor.md
index 702b0f0a04..2ce8e540af 100644
--- a/docs/gitbook/api/bullmq.processor.md
+++ b/docs/gitbook/api/bullmq.processor.md
@@ -9,7 +9,7 @@ An async function that receives `Job`<!-- -->s and handles them.
 <b>Signature:</b>
 
 ```typescript
-export declare type Processor<T = any, R = any, N extends string = string> = (job: Job<T, R, N>, token: string) => Promise<R>;
+export declare type Processor<T = any, R = any, N extends string = string> = (job: Job<T, R, N>, token?: string) => Promise<R>;
 ```
 <b>References:</b> [Job](./bullmq.job.md)
 
diff --git a/package.json b/package.json
index 51fd9c26cc..d06b13b083 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "bullmq",
-  "version": "1.20.0",
+  "version": "1.20.1",
   "description": "Queue for messages and jobs based on Redis",
   "main": "dist/index.js",
   "types": "dist/index.d.ts",