diff --git a/.github/workflows/verify-run-buildifier.yml b/.github/workflows/verify-run-buildifier.yml
index e6f1035..aa31df2 100644
--- a/.github/workflows/verify-run-buildifier.yml
+++ b/.github/workflows/verify-run-buildifier.yml
@@ -19,7 +19,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [macos-latest, ubuntu-latest, windows-latest]
-        buildifier: [5.1.0, 5.0.0]
+        buildifier: [6.0.0, 5.0.0]
     steps:
       - name: Setup repository
         uses: actions/checkout@v3
diff --git a/README.md b/README.md
index 6b1cfad..2dd7cb5 100644
--- a/README.md
+++ b/README.md
@@ -15,7 +15,7 @@ Buildifier automatically checks one of the Bazel's files:
 
 | Name  | Description | Required | Default |
 | --- | --- | --- | --- |
-| version  | The version of the used `buildifier` | `false`| `5.1.0` |
+| version  | The version of the used `buildifier` | `false`| `6.0.0` |
 | path  | The path on which to run buildifier check. | `false`| `.` |
 | mode  | The mode in which to run buildifier <code>[check&#124;diff]</code> | `false` | `check` |
 
diff --git a/action.yml b/action.yml
index 7d0f7d6..4cb4219 100644
--- a/action.yml
+++ b/action.yml
@@ -9,7 +9,7 @@ inputs:
   buildifier-version:
     description: "Buildifier version"
     required: false
-    default: "5.1.0"
+    default: "6.0.0"
   path:
     description: "Path in which to run buildifier,"
     required: false