diff --git a/.github/workflows/setup_mex.yml b/.github/workflows/setup_mex.yml
index 6b53d7a..25f82ed 100644
--- a/.github/workflows/setup_mex.yml
+++ b/.github/workflows/setup_mex.yml
@@ -85,7 +85,7 @@ jobs:
 
     steps:
       - name: Check out repository
-        uses: actions/checkout@v5.0.0
+        uses: actions/checkout@v6.0.2
 
 
       - name: Set up gfortran on Linux