diff --git a/.github/workflows/codeql-qlt-unit-tests.yml b/.github/workflows/codeql-qlt-unit-tests.yml
index 2fdba0c..3b3c4fc 100644
--- a/.github/workflows/codeql-qlt-unit-tests.yml
+++ b/.github/workflows/codeql-qlt-unit-tests.yml
@@ -24,7 +24,7 @@ jobs:
       has_languages: ${{ steps.find-languages.outputs.has_languages }}
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Setup CodeQL environment for discovering unit tests
         uses: ./.github/actions/setup-codeql-environment
@@ -96,7 +96,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Setup CodeQL environment for executing `qlt` unit tests
         uses: ./.github/actions/setup-codeql-environment
@@ -161,7 +161,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Setup CodeQL environment for validating `qlt` unit tests
         uses: ./.github/actions/setup-codeql-environment
diff --git a/.github/workflows/copilot-setup-steps.yml b/.github/workflows/copilot-setup-steps.yml
index e585065..7bec97f 100644
--- a/.github/workflows/copilot-setup-steps.yml
+++ b/.github/workflows/copilot-setup-steps.yml
@@ -27,7 +27,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Copilot Setup - Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Copilot Setup - Setup CodeQL environment
         uses: ./.github/actions/setup-codeql-environment
diff --git a/.github/workflows/lint-and-format.yml b/.github/workflows/lint-and-format.yml
index 4295e84..df8efbd 100644
--- a/.github/workflows/lint-and-format.yml
+++ b/.github/workflows/lint-and-format.yml
@@ -35,7 +35,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Setup Node.js
         uses: actions/setup-node@v6