diff --git a/README.md b/README.md
index 7a18016c..3c21f791 100644
--- a/README.md
+++ b/README.md
@@ -4,7 +4,7 @@ This is an action to build and push a contaier image using [Kaniko](https://gith
 It is just a wrapper of Kaniko executor, that is,
 
 ```sh
-docker run --rm gcr.io/kaniko-project/executor:v1.21.0
+docker run --rm gcr.io/kaniko-project/executor:v1.21.1
 ```
 
 This action is compatible with the Docker's official actions such as [docker/login-action](https://github.com/docker/login-action) or [docker/metadata-action](https://github.com/docker/metadata-action).
@@ -73,7 +73,7 @@ See also the flags of [Kaniko executor](https://github.com/GoogleContainerTools/
 
 | Name | Description | Corresponding flag
 |------|-------------|-------------------
-| `executor` | Image of Kaniko executor. Default to `gcr.io/kaniko-project/executor:v1.21.0` | -
+| `executor` | Image of Kaniko executor. Default to `gcr.io/kaniko-project/executor:v1.21.1` | -
 | `context` <sup>*1</sup> | Path to the build context. Default to the workspace | -
 | `file` <sup>*1</sup> | Path to the Dockerfile. Default to `Dockerfile`. It must be in the context. If set, this action passes the relative path to Kaniko, same as the behavior of [`docker build`](https://docs.docker.com/engine/reference/commandline/build/) | `--dockerfile`
 | `build-args` <sup>*1</sup> | List of build args | `--build-arg`
diff --git a/action.yaml b/action.yaml
index c934252a..f375ed3e 100644
--- a/action.yaml
+++ b/action.yaml
@@ -5,7 +5,7 @@ inputs:
   executor:
     description: Image of Kaniko executor
     required: true
-    default: gcr.io/kaniko-project/executor:v1.21.0
+    default: gcr.io/kaniko-project/executor:v1.21.1
   cache:
     description: Enable caching layers
     required: true