diff --git a/.pre-commit-hooks.yaml b/.pre-commit-hooks.yaml
index ab36722..545f1c9 100644
--- a/.pre-commit-hooks.yaml
+++ b/.pre-commit-hooks.yaml
@@ -1,27 +1,27 @@
 -   id: biome-ci
     name: biome ci
-    entry: biome ci --files-ignore-unknown=true --no-errors-on-unmatched
+    entry: biome ci --files-ignore-unknown=true --no-errors-on-unmatched --error-on-warnings
     language: node
     types: [text]
     files: "\\.(jsx?|tsx?|c(js|ts)|m(js|ts)|d\\.(ts|cts|mts)|jsonc?|css|svelte|vue|astro|graphql|gql)$"
     require_serial: true
 -   id: biome-check
     name: biome check
-    entry: biome check --write --files-ignore-unknown=true --no-errors-on-unmatched
+    entry: biome check --write --files-ignore-unknown=true --no-errors-on-unmatched --error-on-warnings
     language: node
     types: [text]
     files: "\\.(jsx?|tsx?|c(js|ts)|m(js|ts)|d\\.(ts|cts|mts)|jsonc?|css|svelte|vue|astro|graphql|gql)$"
     require_serial: true
 -   id: biome-format
     name: biome format
-    entry: biome format --write --files-ignore-unknown=true --no-errors-on-unmatched
+    entry: biome format --write --files-ignore-unknown=true --no-errors-on-unmatched --error-on-warnings
     language: node
     types: [text]
     files: "\\.(jsx?|tsx?|c(js|ts)|m(js|ts)|d\\.(ts|cts|mts)|jsonc?|css|svelte|vue|astro|graphql|gql)$"
     require_serial: true
 -   id: biome-lint
     name: biome lint
-    entry: biome lint --write --files-ignore-unknown=true --no-errors-on-unmatched
+    entry: biome lint --write --files-ignore-unknown=true --no-errors-on-unmatched --error-on-warnings
     language: node
     types: [text]
     files: "\\.(jsx?|tsx?|c(js|ts)|m(js|ts)|d\\.(ts|cts|mts)|jsonc?|css|svelte|vue|astro|graphql|gql)$"
diff --git a/README.md b/README.md
index d8a8024..12cc9cf 100644
--- a/README.md
+++ b/README.md
@@ -40,7 +40,7 @@ repos:
     hooks:
       - id: local-biome-check
         name: biome check
-        entry: npx biome check --write --files-ignore-unknown=true --no-errors-on-unmatched
+        entry: npx biome check --write --files-ignore-unknown=true --no-errors-on-unmatched --error-on-warnings
         language: system
         types: [text]
         files: "\\.(jsx?|tsx?|c(js|ts)|m(js|ts)|d\\.(ts|cts|mts)|jsonc?|css|svelte|vue|astro|graphql|gql)$"