diff --git a/.github/workflows/ci_cd.yml b/.github/workflows/ci_cd.yml
index da626562ae0..3b233311828 100644
--- a/.github/workflows/ci_cd.yml
+++ b/.github/workflows/ci_cd.yml
@@ -105,7 +105,7 @@ jobs:
     runs-on: ubuntu-latest
     needs: doc-style
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v6.0.2
 
       - name: Login in Github Container registry
         uses: docker/login-action@v4
@@ -196,7 +196,7 @@ jobs:
     needs: tests
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v6.0.2
       - name: Microsoft Teams Notification
         uses: jdcargile/ms-teams-notification@v1.4
         with:
diff --git a/.github/workflows/nightly-docs.yml b/.github/workflows/nightly-docs.yml
index eb22693c55a..129b7ac12ee 100644
--- a/.github/workflows/nightly-docs.yml
+++ b/.github/workflows/nightly-docs.yml
@@ -18,7 +18,7 @@ jobs:
     runs-on: ubuntu-20.04
 
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v6.0.2
 
       - name: Login in Github Container registry
         uses: docker/login-action@v4
diff --git a/.github/workflows/nightly.yml b/.github/workflows/nightly.yml
index 2d1f809a948..b87e5007eef 100644
--- a/.github/workflows/nightly.yml
+++ b/.github/workflows/nightly.yml
@@ -75,7 +75,7 @@ jobs:
     needs: [ nightly_test, nightly_build ]
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v6.0.2
       - name: Microsoft Teams Notification
         uses: jdcargile/ms-teams-notification@v1.4
         with: