diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index 566b0295..eb69f881 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -28,7 +28,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744
+      uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608
 
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL
diff --git a/.github/workflows/pylint-examples.yml b/.github/workflows/pylint-examples.yml
index b62c943d..c20be236 100644
--- a/.github/workflows/pylint-examples.yml
+++ b/.github/workflows/pylint-examples.yml
@@ -38,7 +38,7 @@ jobs:
     timeout-minutes: 5
     steps:
       - name: Checkout Melting Pot
-        uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744
+        uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608
 
       - name: Install examples
         uses: ./.github/actions/install-examples
diff --git a/.github/workflows/pylint-meltingpot.yml b/.github/workflows/pylint-meltingpot.yml
index de527c28..a8941bd0 100644
--- a/.github/workflows/pylint-meltingpot.yml
+++ b/.github/workflows/pylint-meltingpot.yml
@@ -36,7 +36,7 @@ jobs:
     timeout-minutes: 30
     steps:
       - name: Checkout Melting Pot
-        uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744
+        uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608
 
       - name: Install Melting Pot
         uses: ./.github/actions/install-meltingpot
diff --git a/.github/workflows/pypi-publish.yml b/.github/workflows/pypi-publish.yml
index be992fc2..33e4cba5 100644
--- a/.github/workflows/pypi-publish.yml
+++ b/.github/workflows/pypi-publish.yml
@@ -35,7 +35,7 @@ jobs:
 
     steps:
       - name: Checkout Melting Pot
-        uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744
+        uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608
 
       - name: Set up Python
         uses: actions/setup-python@61a6322f88396a6271a6ee3565807d608ecaddd1
diff --git a/.github/workflows/pytype-examples.yml b/.github/workflows/pytype-examples.yml
index c235b71b..1e5504f3 100644
--- a/.github/workflows/pytype-examples.yml
+++ b/.github/workflows/pytype-examples.yml
@@ -38,7 +38,7 @@ jobs:
     timeout-minutes: 30
     steps:
       - name: Checkout Melting Pot
-        uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744
+        uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608
 
       - name: Install examples
         uses: ./.github/actions/install-examples
diff --git a/.github/workflows/pytype-meltingpot.yml b/.github/workflows/pytype-meltingpot.yml
index 166095ff..943bd0e3 100644
--- a/.github/workflows/pytype-meltingpot.yml
+++ b/.github/workflows/pytype-meltingpot.yml
@@ -36,7 +36,7 @@ jobs:
     timeout-minutes: 30
     steps:
       - name: Checkout Melting Pot
-        uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744
+        uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608
 
       - name: Install Melting Pot
         uses: ./.github/actions/install-meltingpot
diff --git a/.github/workflows/scorecards-analysis.yml b/.github/workflows/scorecards-analysis.yml
index 5998564f..ab21eb6f 100644
--- a/.github/workflows/scorecards-analysis.yml
+++ b/.github/workflows/scorecards-analysis.yml
@@ -25,7 +25,7 @@ jobs:
 
     steps:
       - name: "Checkout code"
-        uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744
+        uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608
         with:
           persist-credentials: false
 
diff --git a/.github/workflows/test-examples.yml b/.github/workflows/test-examples.yml
index 3de4cfde..a1418698 100644
--- a/.github/workflows/test-examples.yml
+++ b/.github/workflows/test-examples.yml
@@ -38,7 +38,7 @@ jobs:
     timeout-minutes: 90
     steps:
       - name: Checkout Melting Pot
-        uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744
+        uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608
 
       - name: Install examples
         uses: ./.github/actions/install-examples
diff --git a/.github/workflows/test-meltingpot.yml b/.github/workflows/test-meltingpot.yml
index fec4174c..7efa3277 100644
--- a/.github/workflows/test-meltingpot.yml
+++ b/.github/workflows/test-meltingpot.yml
@@ -44,7 +44,7 @@ jobs:
           - '3.10'
     steps:
       - name: Checkout Melting Pot
-        uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744
+        uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608
       - name: Install Melting Pot
         uses: ./.github/actions/install-meltingpot
         with: