diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 778a734..2e77d34 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -150,7 +150,7 @@ jobs:
       - name: Setup Biome
         uses: biomejs/setup-biome@454fa0d884737805f48d7dc236c1761a0ac3cc13 # v2.6.0
       - name: Run Biome
-        run: biome ci
+        run: biome ci --error-on-warnings
   editorconfig:
     name: EditorConfig
     needs: verify-author
diff --git a/biome.json b/biome.json
index 1287083..47d60b5 100644
--- a/biome.json
+++ b/biome.json
@@ -1,5 +1,5 @@
 {
-  "$schema": "https://biomejs.dev/schemas/2.0.4/schema.json",
+  "$schema": "https://biomejs.dev/schemas/2.1.4/schema.json",
   "files": {
     "includes": [
       "**",