diff --git a/example/pubspec.lock b/example/pubspec.lock
index 260b552..bcbc60d 100644
--- a/example/pubspec.lock
+++ b/example/pubspec.lock
@@ -53,10 +53,10 @@ packages:
     dependency: "direct dev"
     description:
       name: lints
-      sha256: cbf8d4b858bb0134ef3ef87841abdf8d63bfc255c266b7bf6b39daa1085c4290
+      sha256: "976c774dd944a42e83e2467f4cc670daef7eed6295b10b36ae8c85bcbf828235"
       url: "https://pub.dev"
     source: hosted
-    version: "3.0.0"
+    version: "4.0.0"
   meta:
     dependency: transitive
     description:
diff --git a/example/pubspec.yaml b/example/pubspec.yaml
index 11f9155..32d3ed4 100644
--- a/example/pubspec.yaml
+++ b/example/pubspec.yaml
@@ -13,7 +13,7 @@ dependencies:
   http: ^1.1.0
 
 dev_dependencies:
-  lints: ^3.0.0
+  lints: ^4.0.0
 
 dependency_overrides:
   rxdart_ext:
diff --git a/pubspec.yaml b/pubspec.yaml
index 7066adf..5c44b28 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -25,7 +25,7 @@ dependencies:
   dart_either: ^2.0.0
 
 dev_dependencies:
-  lints: ^3.0.0
+  lints: ^4.0.0
   test: ^1.24.0
   collection: ^1.16.0
   quiver: ^3.2.2