diff --git a/contrib.go b/contrib.go
new file mode 100644
index 0000000..43ae296
--- /dev/null
+++ b/contrib.go
@@ -0,0 +1,10 @@
+// Package checkers is a gocritic linter auxiliary checks submited by contributors.
+package contrib
+
+import (
+	"github.com/go-lintpack/lintpack"
+)
+
+var collection = &lintpack.CheckerCollection{
+	URL: "https://github.com/go-critic/checkers-contrib",
+}
diff --git a/importPackageName_checker.go b/importPackageName_checker.go
index 6f7e5a3..040bb60 100644
--- a/importPackageName_checker.go
+++ b/importPackageName_checker.go
@@ -16,7 +16,7 @@ func init() {
 	info.Before = `import lint "github.com/go-critic/go-critic/lint"`
 	info.After = `import "github.com/go-critic/go-critic/lint"`
 
-	lintpack.AddChecker(&info, func(ctx *lintpack.CheckerContext) lintpack.FileWalker {
+	collection.AddChecker(&info, func(ctx *lintpack.CheckerContext) lintpack.FileWalker {
 		return &importPackageNameChecker{ctx: ctx}
 	})
 }