diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 7463743..b95b1e4 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -25,10 +25,10 @@ jobs:
         node-version: ["18", "20", "22"]
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - name: Set up Node.js ${{ matrix.node-version }}
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@v5
         with:
           node-version: ${{ matrix.node-version }}
 
@@ -71,12 +71,12 @@ jobs:
             echo "::notice::Skipping SDK conformance check — TANGO_API_REPO_ACCESS_TOKEN not configured."
           fi
 
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         if: steps.gate.outputs.ready == 'true'
 
       - name: Checkout tango API repo (manifest source)
         if: steps.gate.outputs.ready == 'true'
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           repository: makegov/tango
           path: tango-api
@@ -84,7 +84,7 @@ jobs:
 
       - name: Set up Node.js
         if: steps.gate.outputs.ready == 'true'
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@v5
         with:
           node-version: "20"
 
diff --git a/.github/workflows/docs-dispatch.yml b/.github/workflows/docs-dispatch.yml
index 2ba5d4e..64696b7 100644
--- a/.github/workflows/docs-dispatch.yml
+++ b/.github/workflows/docs-dispatch.yml
@@ -30,7 +30,7 @@ jobs:
     permissions:
       contents: read
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           fetch-depth: 2
 
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 617c357..3f48d58 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -13,10 +13,10 @@ jobs:
       id-token: write
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - name: Set up Node.js
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@v5
         with:
           node-version: "20"
           registry-url: "https://registry.npmjs.org"