diff --git a/.github/workflows/test-external.yaml b/.github/workflows/test-external.yaml
index 159dabd..afb519b 100644
--- a/.github/workflows/test-external.yaml
+++ b/.github/workflows/test-external.yaml
@@ -27,7 +27,7 @@ jobs:
           - "3.3"
     
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - uses: ruby/setup-ruby@v1
       with:
         ruby-version: ${{matrix.ruby}}
diff --git a/.github/workflows/test.yaml b/.github/workflows/test.yaml
index 3e41804..e36b96d 100644
--- a/.github/workflows/test.yaml
+++ b/.github/workflows/test.yaml
@@ -42,7 +42,7 @@ jobs:
             experimental: true
     
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - uses: ruby/setup-ruby@v1
       with:
         ruby-version: ${{matrix.ruby}}