diff --git a/.github/matrix.json b/.github/matrix.json
index c5c5929..8a033e6 100644
--- a/.github/matrix.json
+++ b/.github/matrix.json
@@ -2,13 +2,11 @@
     "swift_version": [
         "5.10",
         "5.9",
-        "5.8",
-        "5.7"
+        "5.8"
     ],
     "swiftlint_supported_version": {
         "5.10": "main",
         "5.9": "main",
-        "5.8": "0.53.0",
-        "5.7": "0.53.0"
+        "5.8": "0.53.0"
     }
 }
\ No newline at end of file
diff --git a/README.md b/README.md
index ccb1647..731b66f 100644
--- a/README.md
+++ b/README.md
@@ -25,15 +25,15 @@ jobs:
     steps:
       - uses: actions/checkout@v3
       - name: Danger
-        uses: 417-72KI/danger-swiftlint@v5.9 # Look at the `Note for version`
+        uses: 417-72KI/danger-swiftlint@v5.10 # Look at the `Note for version`
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 ```
 
 ### Note for version
 > [!IMPORTANT]
-> Docker images in `v5.7` and higher versions are updated for once a week.  
-> `v5.6` and below also can be used in GitHub Actions, but Docker images of them are no longer updated.
+> Docker images in `v5.8` and higher versions are updated for once a week.  
+> `v5.7` and below also can be used in GitHub Actions, but Docker images of them are no longer updated.
 
 | tag | Swift version |
 | --- | ------------- |