diff --git a/README.md b/README.md
index 4adab15..55b3cf2 100644
--- a/README.md
+++ b/README.md
@@ -34,7 +34,9 @@ If you are using this inside a container, a POSIX-compliant `tar` needs to be in
 
 * `path` - A list of files, directories, and wildcard patterns to cache and restore. See [`@actions/glob`](https://github.com/actions/toolkit/tree/main/packages/glob) for supported patterns.
 * `key` - An explicit key for restoring and saving the cache
-* `restore-keys` - An ordered list of prefix-matched keys to use for restoring stale cache if no cache hit occurred for key.
+* `restore-keys` - (optional) An ordered list of prefix-matched keys to use for restoring stale cache if no cache hit occurred for key.
+* `upload-chunk-size` - (optional) The chunk size used to split up large files during upload, in bytes.
+* `reevaluate-key` - (optional) If set to `true`, the key will be re-evaluated when saving the cache.
 
 #### Environment Variables
 * `SEGMENT_DOWNLOAD_TIMEOUT_MINS` - Segment download timeout (in minutes, default `60`) to abort download of the segment if not completed in the defined number of minutes. [Read more](https://github.com/actions/cache/blob/main/workarounds.md#cache-segment-restore-timeout)