diff --git a/.github/workflows/agenda.yaml b/.github/workflows/agenda.yaml
index 88b9be8391..eecf2214df 100644
--- a/.github/workflows/agenda.yaml
+++ b/.github/workflows/agenda.yaml
@@ -30,7 +30,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v4 # checkout repo content
+    - uses: actions/checkout@v5 # checkout repo content
 
     # we want to close old agenda issues before creating a new one because there's a limit of 3 pinned items on a repo
     - name: Close old agenda issues
diff --git a/.github/workflows/inactive-issues.yml b/.github/workflows/inactive-issues.yml
index 06b3c028bd..03e844e0f6 100644
--- a/.github/workflows/inactive-issues.yml
+++ b/.github/workflows/inactive-issues.yml
@@ -29,7 +29,7 @@ jobs:
     runs-on: ubuntu-latest
     name: Label issues with no recent activity
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - run: scripts/label-no-recent.ps1
         shell: pwsh
       - run: scripts/close-no-recent.ps1
diff --git a/.github/workflows/respec.yaml b/.github/workflows/respec.yaml
index 4eaef0a444..05c8afe549 100644
--- a/.github/workflows/respec.yaml
+++ b/.github/workflows/respec.yaml
@@ -19,7 +19,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v4 # checkout main branch
+    - uses: actions/checkout@v5 # checkout main branch
       with:
         fetch-depth: 0
 
@@ -30,7 +30,7 @@ jobs:
     - name: Install dependencies
       run: npm ci
 
-    - uses: actions/checkout@v4 # checkout gh-pages branch
+    - uses: actions/checkout@v5 # checkout gh-pages branch
       with:
         ref: gh-pages
         path: deploy
diff --git a/.github/workflows/schema-publish.yaml b/.github/workflows/schema-publish.yaml
index aadbd1840a..b5f48bcb12 100644
--- a/.github/workflows/schema-publish.yaml
+++ b/.github/workflows/schema-publish.yaml
@@ -24,7 +24,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v4 # checkout main branch
+    - uses: actions/checkout@v5 # checkout main branch
       with:
         fetch-depth: 0
 
@@ -35,7 +35,7 @@ jobs:
     - name: Install dependencies
       run: npm ci
 
-    - uses: actions/checkout@v4 # checkout gh-pages branch
+    - uses: actions/checkout@v5 # checkout gh-pages branch
       with:
         ref: gh-pages
         path: deploy
diff --git a/.github/workflows/schema-tests.yaml b/.github/workflows/schema-tests.yaml
index 7a3116936d..941f23def0 100644
--- a/.github/workflows/schema-tests.yaml
+++ b/.github/workflows/schema-tests.yaml
@@ -19,7 +19,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v4 # checkout repo content
+    - uses: actions/checkout@v5 # checkout repo content
       with:
         fetch-depth: 0
 
diff --git a/.github/workflows/sync-dev-to-vX.Y-dev.yaml b/.github/workflows/sync-dev-to-vX.Y-dev.yaml
index 57d722d09c..36958e6499 100644
--- a/.github/workflows/sync-dev-to-vX.Y-dev.yaml
+++ b/.github/workflows/sync-dev-to-vX.Y-dev.yaml
@@ -24,7 +24,7 @@ jobs:
           private-key: ${{ secrets.OAI_SPEC_PUBLISHER_PRIVATE_KEY }}
     
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           fetch-depth: 0
 
diff --git a/.github/workflows/sync-main-to-dev.yaml b/.github/workflows/sync-main-to-dev.yaml
index 792f752947..d480254da8 100644
--- a/.github/workflows/sync-main-to-dev.yaml
+++ b/.github/workflows/sync-main-to-dev.yaml
@@ -24,7 +24,7 @@ jobs:
           private-key: ${{ secrets.OAI_SPEC_PUBLISHER_PRIVATE_KEY }}
 
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Create pull request
         id: pull_request
diff --git a/.github/workflows/validate-markdown.yaml b/.github/workflows/validate-markdown.yaml
index 115b57f4f6..04e933b371 100644
--- a/.github/workflows/validate-markdown.yaml
+++ b/.github/workflows/validate-markdown.yaml
@@ -18,7 +18,7 @@ jobs:
 
     steps:
   
-    - uses: actions/checkout@v4 # checkout repo content
+    - uses: actions/checkout@v5 # checkout repo content
       with:
         fetch-depth: 0