diff --git a/.github/workflows/validate-calculations.yml b/.github/workflows/validate-calculations.yml
index 1655dd9..9ecb2d4 100644
--- a/.github/workflows/validate-calculations.yml
+++ b/.github/workflows/validate-calculations.yml
@@ -29,7 +29,7 @@ jobs:
       - name: Setup Node.js
         uses: actions/setup-node@v4
         with:
-          node-version: '20'
+          node-version: '24'
 
       - name: Run validation tests
         run: node tests/validate-arena-calculations.js
diff --git a/.github/workflows/validate-g6-encoding.yml b/.github/workflows/validate-g6-encoding.yml
index 1af5d8f..6f87525 100644
--- a/.github/workflows/validate-g6-encoding.yml
+++ b/.github/workflows/validate-g6-encoding.yml
@@ -29,7 +29,7 @@ jobs:
       - name: Setup Node.js
         uses: actions/setup-node@v4
         with:
-          node-version: '20'
+          node-version: '24'
 
       - name: Run G6 encoding validation tests
         run: node tests/validate-g6-encoding.js