diff --git a/README.md b/README.md
index 76a6330..186f3ea 100644
--- a/README.md
+++ b/README.md
@@ -48,6 +48,7 @@ jobs:
 | `name`           | `false`   | `github-pages` | Artifact name                                      |
 | `path`           | `true`    | `_site/`       | Path of the directory containing the static assets |
 | `retention-days` | `false`   | `1`            | Duration after which artifact will expire in days  |
+| `overwrite`      | `false`   | `false`        | Whther the artifact should overwrite existing ones |
 
 ### Outputs 📤
 
diff --git a/action.yml b/action.yml
index f2c7662..49a847a 100644
--- a/action.yml
+++ b/action.yml
@@ -14,6 +14,10 @@ inputs:
     description: "Duration after which artifact will expire in days."
     required: false
     default: "1"
+  overwrite:
+    description: "If true, an artifact with a matching name will be deleted before a new one is uploaded. If false, the action will fail if an artifact for the given name already exists. Does not fail if the artifact does not exist."
+    required: false
+    default: 'false'
 outputs:
   artifact_id:
     description: "The ID of the artifact that was uploaded."
@@ -83,3 +87,4 @@ runs:
         path: ${{ runner.temp }}/artifact.tar
         retention-days: ${{ inputs.retention-days }}
         if-no-files-found: error
+        overwrite: ${{ inputs.overwrite }}