diff --git a/go.mod b/go.mod
index db62261..e485284 100644
--- a/go.mod
+++ b/go.mod
@@ -13,7 +13,7 @@ require (
 	github.com/mgutz/logxi v0.0.0-20161027140823-aebf8a7d67ab // indirect
 	github.com/muka/ble v0.0.0-20180314094923-5613a57406d1 // indirect
 	github.com/muka/go-bluetooth v0.0.0-20181012115104-31d8f53bf9a1
-	github.com/pkg/errors v0.8.0
+	github.com/pkg/errors v0.8.1
 	github.com/sirupsen/logrus v1.2.0 // indirect
 	github.com/stretchr/testify v1.2.2
 	golang.org/x/net v0.0.0-20181220203305-927f97764cc3 // indirect
diff --git a/go.sum b/go.sum
index 6c27284..e4471ae 100644
--- a/go.sum
+++ b/go.sum
@@ -28,6 +28,7 @@ github.com/muka/go-bluetooth v0.0.0-20181012115104-31d8f53bf9a1 h1:VKhCDuxZ3+Bg+
 github.com/muka/go-bluetooth v0.0.0-20181012115104-31d8f53bf9a1/go.mod h1:brKFFAJeW2mWp1W5D/GJhwbn3IpNR69jIm1qGWZcl50=
 github.com/pkg/errors v0.8.0 h1:WdK/asTD0HN+q6hsWO3/vpuAkAr+tw6aNJNDFFf0+qw=
 github.com/pkg/errors v0.8.0/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
+github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/sirupsen/logrus v1.2.0 h1:juTguoYk5qI21pwyTXY3B3Y5cOTH3ZUyZCg1v/mihuo=