diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 15a3b90c10..5d7cc61481 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -35,6 +35,7 @@ jobs:
       - uses: actions/checkout@v3
         with:
           fetch-depth: 0
+          persist-credentials: false
       - uses: erlef/setup-beam@v1.16.0
         with:
           otp-version: ${{ matrix.otp }}
@@ -82,6 +83,7 @@ jobs:
       - uses: actions/checkout@v3
         with:
           fetch-depth: 0
+          persist-credentials: false
       - uses: ./.github/actions/big-tests
         with:
           otp: ${{matrix.otp}}
@@ -112,6 +114,7 @@ jobs:
       - uses: actions/checkout@v3
         with:
           fetch-depth: 0
+          persist-credentials: false
       - uses: ./.github/actions/big-tests
         with:
           otp: ${{matrix.otp}}
@@ -146,6 +149,7 @@ jobs:
       - uses: actions/checkout@v3
         with:
           fetch-depth: 0
+          persist-credentials: false
       - uses: erlef/setup-beam@v1.16.0
         with:
           otp-version: ${{matrix.otp}}
@@ -162,6 +166,7 @@ jobs:
       - uses: actions/checkout@v3
         with:
           fetch-depth: 0
+          persist-credentials: false
       - uses: erlef/setup-beam@v1.16.0
         with:
           otp-version: ${{matrix.otp}}
@@ -178,6 +183,7 @@ jobs:
       - uses: actions/checkout@v3
         with:
           fetch-depth: 0
+          persist-credentials: false
       - uses: erlef/setup-beam@v1.16.0
         with:
           otp-version: ${{matrix.otp}}
@@ -200,4 +206,5 @@ jobs:
       - uses: actions/checkout@v3
         with:
           fetch-depth: 0
+          persist-credentials: false
       - run: tools/test.sh -p pkg