diff --git a/.github/workflows/dart.yml b/.github/workflows/dart.yml
index a79355ce..361b647d 100644
--- a/.github/workflows/dart.yml
+++ b/.github/workflows/dart.yml
@@ -33,7 +33,7 @@ jobs:
           sdk: stable
       - id: checkout
         name: Checkout repository
-        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
+        uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633
       - name: mono_repo self validate
         run: dart pub global activate mono_repo 6.6.0
       - name: mono_repo self validate
@@ -58,7 +58,7 @@ jobs:
           sdk: "3.0.0"
       - id: checkout
         name: Checkout repository
-        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
+        uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633
       - id: pkgs_corpus_pub_upgrade
         name: pkgs/corpus; dart pub upgrade
         run: dart pub upgrade
@@ -117,7 +117,7 @@ jobs:
           sdk: dev
       - id: checkout
         name: Checkout repository
-        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
+        uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633
       - id: pkgs_corpus_pub_upgrade
         name: pkgs/corpus; dart pub upgrade
         run: dart pub upgrade
@@ -176,7 +176,7 @@ jobs:
           sdk: dev
       - id: checkout
         name: Checkout repository
-        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
+        uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633
       - id: pkgs_corpus_pub_upgrade
         name: pkgs/corpus; dart pub upgrade
         run: dart pub upgrade
@@ -235,7 +235,7 @@ jobs:
           sdk: "3.0.0"
       - id: checkout
         name: Checkout repository
-        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
+        uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633
       - id: pkgs_corpus_pub_upgrade
         name: pkgs/corpus; dart pub upgrade
         run: dart pub upgrade
@@ -270,7 +270,7 @@ jobs:
           sdk: "3.0.0"
       - id: checkout
         name: Checkout repository
-        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
+        uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633
       - id: pkgs_dart_flutter_team_lints_pub_upgrade
         name: pkgs/dart_flutter_team_lints; dart pub upgrade
         run: dart pub upgrade
@@ -305,7 +305,7 @@ jobs:
           sdk: "3.0.0"
       - id: checkout
         name: Checkout repository
-        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
+        uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633
       - id: pkgs_firehose_pub_upgrade
         name: pkgs/firehose; dart pub upgrade
         run: dart pub upgrade
@@ -340,7 +340,7 @@ jobs:
           sdk: dev
       - id: checkout
         name: Checkout repository
-        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
+        uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633
       - id: pkgs_corpus_pub_upgrade
         name: pkgs/corpus; dart pub upgrade
         run: dart pub upgrade
@@ -375,7 +375,7 @@ jobs:
           sdk: dev
       - id: checkout
         name: Checkout repository
-        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
+        uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633
       - id: pkgs_dart_flutter_team_lints_pub_upgrade
         name: pkgs/dart_flutter_team_lints; dart pub upgrade
         run: dart pub upgrade
@@ -410,7 +410,7 @@ jobs:
           sdk: dev
       - id: checkout
         name: Checkout repository
-        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
+        uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633
       - id: pkgs_firehose_pub_upgrade
         name: pkgs/firehose; dart pub upgrade
         run: dart pub upgrade
@@ -445,7 +445,7 @@ jobs:
           sdk: dev
       - id: checkout
         name: Checkout repository
-        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
+        uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633
       - id: pkgs_blast_repo_pub_upgrade
         name: pkgs/blast_repo; dart pub upgrade
         run: dart pub upgrade
@@ -490,7 +490,7 @@ jobs:
           sdk: dev
       - id: checkout
         name: Checkout repository
-        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
+        uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633
       - id: pkgs_blast_repo_pub_upgrade
         name: pkgs/blast_repo; dart pub upgrade
         run: dart pub upgrade
diff --git a/.github/workflows/health_base.yaml b/.github/workflows/health_base.yaml
index 9690fd64..6ae942c7 100644
--- a/.github/workflows/health_base.yaml
+++ b/.github/workflows/health_base.yaml
@@ -85,12 +85,12 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
+      - uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633
         with:
           path: current_repo/
           submodules: ${{ inputs.checkout_submodules }}
       
-      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
+      - uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633
         with:
           ref: ${{ github.event.pull_request.base.ref }}
           path: base_repo/
diff --git a/.github/workflows/publish.yaml b/.github/workflows/publish.yaml
index 5c1f881b..4e732dbb 100644
--- a/.github/workflows/publish.yaml
+++ b/.github/workflows/publish.yaml
@@ -115,7 +115,7 @@ jobs:
 
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
+      - uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633
         with:
           submodules: ${{ inputs.checkout_submodules }}
 
@@ -198,7 +198,7 @@ jobs:
 
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
+      - uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633
         with:
           submodules: ${{ inputs.checkout_submodules }}