diff --git a/lock.go b/lock.go
index 5b4a7c5..f65b6b6 100644
--- a/lock.go
+++ b/lock.go
@@ -6,7 +6,7 @@ import (
 	"sync"
 	"time"
 
-	"github.com/Sirupsen/logrus"
+	"github.com/sirupsen/logrus"
 )
 
 // Mutex is debugging mutex, which prints logs and traces for locks.
diff --git a/lock_test.go b/lock_test.go
index bb207b1..158340f 100644
--- a/lock_test.go
+++ b/lock_test.go
@@ -5,7 +5,7 @@ import (
 	"strings"
 	"testing"
 
-	"github.com/Sirupsen/logrus"
+	"github.com/sirupsen/logrus"
 )
 
 func init() {