diff --git a/README.md b/README.md
index 8f71ef8..7896033 100644
--- a/README.md
+++ b/README.md
@@ -38,6 +38,8 @@ see the [action.yml](./action.yml) file for more detail imformation.
 * source - scp file list
 * rm - remove target folder before upload data
 * strip_components - remove the specified number of leading path elements.
+* overwrite - use `--overwrite` flag with tar
+* tar_tmp_path - temporary path for tar file on the dest host
 
 ### Example
 
diff --git a/action.yml b/action.yml
index de8868c..933ed0a 100644
--- a/action.yml
+++ b/action.yml
@@ -29,6 +29,11 @@ inputs:
   strip_components:
     description: 'remove the specified number of leading path elements'
     default: 0
+  overwrite:
+    description: 'use `--overwrite` flag with tar'
+    default: false
+  tar_tmp_path:
+    description: 'temporary path for tar file on the dest host'
 runs:
   using: 'docker'
   image: 'Dockerfile'