diff --git a/openflow13/flowmod.go b/openflow13/flowmod.go
index cda7266..f4f96f0 100644
--- a/openflow13/flowmod.go
+++ b/openflow13/flowmod.go
@@ -3,7 +3,7 @@ package openflow13
 import (
 	"encoding/binary"
 
-	log "github.com/Sirupsen/logrus"
+	log "github.com/sirupsen/logrus"
 	"github.com/shaleman/libOpenflow/common"
 )
 
diff --git a/openflow13/group.go b/openflow13/group.go
index 04c46f0..3024b1d 100644
--- a/openflow13/group.go
+++ b/openflow13/group.go
@@ -5,7 +5,7 @@ package openflow13
 import (
 	"encoding/binary"
 
-	log "github.com/Sirupsen/logrus"
+	log "github.com/sirupsen/logrus"
 	"github.com/shaleman/libOpenflow/common"
 )
 
diff --git a/openflow13/multipart.go b/openflow13/multipart.go
index e3595ed..df7234d 100644
--- a/openflow13/multipart.go
+++ b/openflow13/multipart.go
@@ -3,7 +3,7 @@ package openflow13
 import (
 	"encoding/binary"
 
-	log "github.com/Sirupsen/logrus"
+	log "github.com/sirupsen/logrus"
 
 	"github.com/shaleman/libOpenflow/common"
 	"github.com/shaleman/libOpenflow/util"
diff --git a/util/stream.go b/util/stream.go
index e662e04..4042784 100644
--- a/util/stream.go
+++ b/util/stream.go
@@ -6,7 +6,7 @@ import (
 	"net"
 	"strings"
 
-	log "github.com/Sirupsen/logrus"
+	log "github.com/sirupsen/logrus"
 )
 
 type BufferPool struct {