diff --git a/.github/workflows/ci_full.yml b/.github/workflows/ci_full.yml
index ff0c82caa3..0ac39900ac 100644
--- a/.github/workflows/ci_full.yml
+++ b/.github/workflows/ci_full.yml
@@ -13,7 +13,7 @@ jobs:
     steps:
 
       - name: Checkout code
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
         with:
           ref: ${{ github.event.after }}  # for PR avoids checking out merge commit
           fetch-depth: 0  # include all history
@@ -32,7 +32,7 @@ jobs:
     steps:
 
       - name: Checkout code
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
         with:
           ref: ${{ github.event.after }}  # for PR avoids checking out merge commit
           fetch-depth: 0  # include all history