diff --git a/.github/workflows/dart.yml b/.github/workflows/dart.yml
index 83b7651e..1d083642 100644
--- a/.github/workflows/dart.yml
+++ b/.github/workflows/dart.yml
@@ -34,7 +34,7 @@ jobs:
           sdk: stable
       - id: checkout
         name: Checkout repository
-        uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744
+        uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608
       - name: mono_repo self validate
         run: dart pub global activate mono_repo 6.5.7
       - name: mono_repo self validate
@@ -59,7 +59,7 @@ jobs:
           sdk: "3.0.0"
       - id: checkout
         name: Checkout repository
-        uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744
+        uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608
       - id: _test_yaml_pub_upgrade
         name: _test_yaml; dart pub upgrade
         run: dart pub upgrade
@@ -125,7 +125,7 @@ jobs:
           sdk: dev
       - id: checkout
         name: Checkout repository
-        uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744
+        uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608
       - id: _test_yaml_pub_upgrade
         name: _test_yaml; dart pub upgrade
         run: dart pub upgrade
@@ -211,7 +211,7 @@ jobs:
           sdk: "3.0.0"
       - id: checkout
         name: Checkout repository
-        uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744
+        uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608
       - id: _test_yaml_pub_upgrade
         name: _test_yaml; dart pub upgrade
         run: dart pub upgrade
@@ -272,7 +272,7 @@ jobs:
           sdk: "3.0.0"
       - id: checkout
         name: Checkout repository
-        uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744
+        uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608
       - id: json_serializable_pub_upgrade
         name: json_serializable; dart pub upgrade
         run: dart pub upgrade
@@ -306,7 +306,7 @@ jobs:
           sdk: "3.0.0"
       - id: checkout
         name: Checkout repository
-        uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744
+        uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608
       - id: json_serializable_pub_upgrade
         name: json_serializable; dart pub upgrade
         run: dart pub upgrade
@@ -340,7 +340,7 @@ jobs:
           sdk: "3.0.0"
       - id: checkout
         name: Checkout repository
-        uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744
+        uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608
       - id: json_serializable_pub_upgrade
         name: json_serializable; dart pub upgrade
         run: dart pub upgrade
@@ -374,7 +374,7 @@ jobs:
           sdk: dev
       - id: checkout
         name: Checkout repository
-        uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744
+        uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608
       - id: _test_yaml_pub_upgrade
         name: _test_yaml; dart pub upgrade
         run: dart pub upgrade
@@ -435,7 +435,7 @@ jobs:
           sdk: dev
       - id: checkout
         name: Checkout repository
-        uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744
+        uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608
       - id: json_serializable_pub_upgrade
         name: json_serializable; dart pub upgrade
         run: dart pub upgrade
@@ -469,7 +469,7 @@ jobs:
           sdk: dev
       - id: checkout
         name: Checkout repository
-        uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744
+        uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608
       - id: json_serializable_pub_upgrade
         name: json_serializable; dart pub upgrade
         run: dart pub upgrade
@@ -503,7 +503,7 @@ jobs:
           sdk: dev
       - id: checkout
         name: Checkout repository
-        uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744
+        uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608
       - id: json_serializable_pub_upgrade
         name: json_serializable; dart pub upgrade
         run: dart pub upgrade
@@ -537,7 +537,7 @@ jobs:
           sdk: "3.0.0"
       - id: checkout
         name: Checkout repository
-        uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744
+        uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608
       - id: _test_yaml_pub_upgrade
         name: _test_yaml; dart pub upgrade
         run: dart pub upgrade
@@ -597,7 +597,7 @@ jobs:
           sdk: dev
       - id: checkout
         name: Checkout repository
-        uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744
+        uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608
       - id: _test_yaml_pub_upgrade
         name: _test_yaml; dart pub upgrade
         run: dart pub upgrade
diff --git a/.github/workflows/markdown_linter.yml b/.github/workflows/markdown_linter.yml
index f4261362..b6243be6 100644
--- a/.github/workflows/markdown_linter.yml
+++ b/.github/workflows/markdown_linter.yml
@@ -11,7 +11,7 @@ jobs:
   markdown-link-check:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744
+      - uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608
       - uses: gaurav-nelson/github-action-markdown-link-check@v1
   markdown_lint:
     runs-on: ubuntu-latest
@@ -19,7 +19,7 @@ jobs:
       matrix:
         node-version: [ 14.x ]
     steps:
-      - uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744
+      - uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608
       - name: Use Node.js ${{ matrix.node-version }}
         uses: actions/setup-node@5e21ff4d9bc1a8cf6de233a3057d20ec6b3fb69d
         with: