diff --git a/.github/workflows/agent-review-pr.yml b/.github/workflows/agent-review-pr.yml
index d346923..5d2d1e8 100644
--- a/.github/workflows/agent-review-pr.yml
+++ b/.github/workflows/agent-review-pr.yml
@@ -34,7 +34,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        node-version: [20.x, 22.x]
+        node-version: [20.x, 22.x, 24.x]
 
     steps:
       - uses: actions/checkout@v4
@@ -46,7 +46,7 @@ jobs:
           GH_TOKEN: ${{ github.token }}
 
       - name: Use Node.js ${{ matrix.node-version }}
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@v6
         with:
           node-version: ${{ matrix.node-version }}
           cache: "npm"
@@ -77,9 +77,9 @@ jobs:
           fetch-depth: 0
           token: ${{ steps.review-bot-token.outputs.token }}
 
-      - uses: actions/setup-node@v4
+      - uses: actions/setup-node@v6
         with:
-          node-version: 20
+          node-version: 24
           cache: npm
 
       - name: Install dependencies
diff --git a/.github/workflows/bot-respond.yml b/.github/workflows/bot-respond.yml
index 9cfbd1f..c96e40f 100644
--- a/.github/workflows/bot-respond.yml
+++ b/.github/workflows/bot-respond.yml
@@ -41,9 +41,9 @@ jobs:
           fetch-depth: 0
           token: ${{ steps.bot-token.outputs.token }}
 
-      - uses: actions/setup-node@v4
+      - uses: actions/setup-node@v6
         with:
-          node-version: 20
+          node-version: 24
           cache: npm
 
       - name: Install dependencies
diff --git a/.github/workflows/publish-release.yml b/.github/workflows/publish-release.yml
index 60226dc..17157d6 100644
--- a/.github/workflows/publish-release.yml
+++ b/.github/workflows/publish-release.yml
@@ -56,10 +56,10 @@ jobs:
       - name: Checkout released tag
         run: git checkout --detach "${{ steps.meta.outputs.tag }}"
 
-      - name: Use Node.js 20.x
-        uses: actions/setup-node@v4
+      - name: Use Node.js 24.x
+        uses: actions/setup-node@v6
         with:
-          node-version: 20.x
+          node-version: 24.x
           cache: "npm"
 
       - name: Install dependencies
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 2dec65f..e52313f 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -21,12 +21,12 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        node-version: [20.x, 22.x]
+        node-version: [20.x, 22.x, 24.x]
     steps:
       - uses: actions/checkout@v4
 
       - name: Use Node.js ${{ matrix.node-version }}
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@v6
         with:
           node-version: ${{ matrix.node-version }}
           cache: "npm"
@@ -46,10 +46,10 @@ jobs:
       # The Action runs the committed dist/index.js, not src/. This job rebuilds the
       # bundle and fails if the committed output drifts from source, so a release can
       # never ship a stale bundle.
-      - name: Use Node.js 20.x
-        uses: actions/setup-node@v4
+      - name: Use Node.js 24.x
+        uses: actions/setup-node@v6
         with:
-          node-version: 20.x
+          node-version: 24.x
           cache: "npm"
 
       - name: Install dependencies