diff --git a/.github/workflows/check-arduino.yml b/.github/workflows/check-arduino.yml
index 6730396..b620a6b 100644
--- a/.github/workflows/check-arduino.yml
+++ b/.github/workflows/check-arduino.yml
@@ -16,7 +16,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Arduino Lint
         uses: arduino/arduino-lint-action@v1
diff --git a/.github/workflows/spell-check.yml b/.github/workflows/spell-check.yml
index 3f6b03f..ef7d894 100644
--- a/.github/workflows/spell-check.yml
+++ b/.github/workflows/spell-check.yml
@@ -16,7 +16,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Spell check
         uses: codespell-project/actions-codespell@master