diff --git a/README.md b/README.md
index 5057ac3..b4cf50f 100644
--- a/README.md
+++ b/README.md
@@ -66,19 +66,19 @@ gh get timobechtel/style templates/react/.oxlintrc.jsonc
 <details>
   <summary>Migrating to Oxlint? - `File '@timobechtel/style/tsconfig/core' not found.`</summary>
 
-  When migrating from ESLint to Oxlint, you might need to update the `tsconfig.json` file:
+When migrating from ESLint to Oxlint, you might need to update the `tsconfig.json` file:
 
-  ```diff
-  - "extends": ["@timobechtel/style/tsconfig/core"]
-  + "extends": ["@timobechtel/style/tsconfig/core.json"]
-  ```
+```diff
+- "extends": ["@timobechtel/style/tsconfig/core"]
++ "extends": ["@timobechtel/style/tsconfig/core.json"]
+```
 
-  ```diff
-  - "extends": ["@timobechtel/style/tsconfig/react"]
-  + "extends": ["@timobechtel/style/tsconfig/react.json"]
-  ```
+```diff
+- "extends": ["@timobechtel/style/tsconfig/react"]
++ "extends": ["@timobechtel/style/tsconfig/react.json"]
+```
 
-  > tsgolint requires a file extension to resolve the config file.
+> tsgolint requires a file extension to resolve the config file.
 
 </details>
 
diff --git a/bun.lockb b/bun.lockb
index f76f65b..72186e8 100755
Binary files a/bun.lockb and b/bun.lockb differ
diff --git a/oxlint/core.jsonc b/oxlint/core.jsonc
index 80b58eb..c6a5528 100644
--- a/oxlint/core.jsonc
+++ b/oxlint/core.jsonc
@@ -6,6 +6,9 @@
     "oxc",
     "import"
   ],
+  "jsPlugins": [
+    "oxlint-plugin-complexity"
+  ],
   "categories": {
     "correctness": "error",
     "suspicious": "error",
@@ -187,6 +190,14 @@
 
     // report duplicate code in branches
     "oxc/branches-sharing-code": "warn",
+    "complexity/complexity": [
+      "warn",
+      {
+        "cyclomatic": 20,
+        "cognitive": 15,
+        "minLines": 15
+      }
+    ],
     // prevent mixing value and non-value returns in functions
     "typescript/consistent-return": "warn",
     "typescript/no-unnecessary-qualifier": "warn",
diff --git a/package.json b/package.json
index 1c394e2..c6bcf2d 100644
--- a/package.json
+++ b/package.json
@@ -45,6 +45,8 @@
     "eslint-plugin-unicorn": "^63.0.0",
     "globals": "^17.3.0",
     "oxlint-tsgolint": "^0.16.0",
-    "typescript-eslint": "^8.56.0"
+    "typescript-eslint": "^8.56.0",
+    "@oxlint/plugins": "^1.63.0",
+    "oxlint-plugin-complexity": "^2.1.2"
   }
 }