diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2d727ec..af5449e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,7 @@ Notable changes to the esqueue project. Pay attention to `[BREAKING]` changes wh
 
 - [BREAKING] Change `priority` mapping to *byte*
 - Exclude `output.content` from _source when query jobs
+- Add optional `created_by` value to job documents
 
 ## v0.3.2
 
diff --git a/readme.md b/readme.md
index 31ff097..fa0d31a 100644
--- a/readme.md
+++ b/readme.md
@@ -60,6 +60,7 @@ Option | Default | Description
 timeout | `10000` | Timeout for the job, if different than the timeout configured on the queue.
 max_attempts | `3` | Number of times to re-trying assigning the job to a worker before giving up and failing.
 priority | `0` | Used to move jobs up the queue. Uses nice values from `-20` to `20`.
+created_by | null | Used to filter job documents by a creator identifier; meant to be consumed by external applications.
 
 ### Creating a worker