diff --git a/.github/workflows/audit.yml b/.github/workflows/audit.yml
index 887b896..c59fea6 100644
--- a/.github/workflows/audit.yml
+++ b/.github/workflows/audit.yml
@@ -7,7 +7,10 @@ jobs:
   audit:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v7
+      - name: Clone repository
+        uses: actions/checkout@v7
+        with:
+          persist-credentials: false
       - uses: rustsec/audit-check@v2
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 8b3aa4b..97327e3 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -14,7 +14,10 @@ jobs:
         os: [ubuntu-latest, windows-latest, macos-latest]
 
     steps:
-      - uses: actions/checkout@v7
+      - name: Clone repository
+        uses: actions/checkout@v7
+        with:
+          persist-credentials: false
       - uses: dtolnay/rust-toolchain@master
         with:
           toolchain: ${{ matrix.rust }}
@@ -36,7 +39,10 @@ jobs:
         os: [ubuntu-latest, windows-latest, macos-latest]
 
     steps:
-      - uses: actions/checkout@v7
+      - name: Clone repository
+        uses: actions/checkout@v7
+        with:
+          persist-credentials: false
       - uses: dtolnay/rust-toolchain@master
         with:
           toolchain: ${{ matrix.rust }}
@@ -52,13 +58,19 @@ jobs:
         os: [ubuntu-latest]
 
     steps:
-      - uses: actions/checkout@v7
+      - name: Clone repository
+        uses: actions/checkout@v7
+        with:
+          persist-credentials: false
       - run: cargo fmt --check --all
 
   mathematical_validation:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v7
+      - name: Clone repository
+        uses: actions/checkout@v7
+        with:
+          persist-credentials: false
       - name: Install Scilab CLI
         run: |
           sudo apt-get update
@@ -78,7 +90,10 @@ jobs:
           - { os: macos-latest   , features: macos }
           - { os: windows-latest , features: windows }
     steps:
-    - uses: actions/checkout@v7
+      - name: Clone repository
+        uses: actions/checkout@v7
+        with:
+          persist-credentials: false
     - name: Initialize workflow variables
       id: vars
       shell: bash
diff --git a/.github/workflows/codspeed.yml b/.github/workflows/codspeed.yml
index 90b5a25..c30f56b 100644
--- a/.github/workflows/codspeed.yml
+++ b/.github/workflows/codspeed.yml
@@ -21,7 +21,10 @@ jobs:
       matrix:
         mode: [simulation] # , memory]
     steps:
-      - uses: actions/checkout@v7
+      - name: Clone repository
+        uses: actions/checkout@v7
+        with:
+          persist-credentials: false
 
       - name: Setup rust toolchain, cache and cargo-codspeed binary
         uses: moonrepo/setup-rust@v1