diff --git a/.github/workflows/formats.yml b/.github/workflows/formats.yml
index 76af79d..da247fe 100644
--- a/.github/workflows/formats.yml
+++ b/.github/workflows/formats.yml
@@ -18,7 +18,7 @@ jobs:
     steps:
 
     - name: Checkout
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
 
     - name: Cache dependencies
       uses: actions/cache@v1
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index a4cd134..b606b7a 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -17,7 +17,7 @@ jobs:
     steps:
 
     - name: Checkout
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
 
     - name: Cache dependencies
       uses: actions/cache@v1