diff --git a/.github/workflows/check_iverilog.yml b/.github/workflows/check_iverilog.yml
index 8591ae0..24f62cd 100644
--- a/.github/workflows/check_iverilog.yml
+++ b/.github/workflows/check_iverilog.yml
@@ -13,7 +13,7 @@ jobs:
     steps:
 
       - name: '💾 Checkout'
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
 
       - name: '▶️ Check iverilog'
         run: /bin/bash -c "chmod u+x $GITHUB_WORKSPACE/.github/check.sh && $GITHUB_WORKSPACE/.github/check.sh"