diff --git a/go.mod b/go.mod
index d63bc6b..825c3cd 100644
--- a/go.mod
+++ b/go.mod
@@ -29,7 +29,7 @@ replace (
 	github.com/mxk/go-flowrate => github.com/mxk/go-flowrate v0.0.0-20140419014527-cca7078d478f
 	github.com/onsi/ginkgo => github.com/onsi/ginkgo v0.0.0-20170318221715-67b9df7f55fe
 	github.com/onsi/gomega => github.com/onsi/gomega v0.0.0-20190113212917-5533ce8a0da3
-	github.com/pmezard/go-difflib => github.com/pmezard/go-difflib v0.0.0-20181226105442-5d4384ee4fb2
+	github.com/pmezard/go-difflib => github.com/pmezard/go-difflib v1.0.0
 	github.com/spf13/pflag => github.com/spf13/pflag v1.0.1
 	github.com/stretchr/testify => github.com/stretchr/testify v0.0.0-20180319223459-c679ae2cc0cb
 	golang.org/x/net => golang.org/x/net v0.0.0-20190206173232-65e2d4e15006
diff --git a/go.sum b/go.sum
index daf7215..5d95c00 100644
--- a/go.sum
+++ b/go.sum
@@ -23,8 +23,8 @@ github.com/modern-go/reflect2 v1.0.1/go.mod h1:bx2lNnkwVCuqBIxFjflWJWanXIb3Rllmb
 github.com/mxk/go-flowrate v0.0.0-20140419014527-cca7078d478f/go.mod h1:ZdcZmHo+o7JKHSa8/e818NopupXU1YMK5fe1lsApnBw=
 github.com/onsi/ginkgo v0.0.0-20170318221715-67b9df7f55fe/go.mod h1:lLunBs/Ym6LB5Z9jYTR76FiuTmxDTDusOGeTQH+WWjE=
 github.com/onsi/gomega v0.0.0-20190113212917-5533ce8a0da3/go.mod h1:ex+gbHU/CVuBBDIJjb2X0qEXbFg53c61hWP/1CpauHY=
-github.com/pmezard/go-difflib v0.0.0-20181226105442-5d4384ee4fb2 h1:Dp6WLvjytJLgEEknBM9ie5JffieQzzdv2pNpwCJ6lQQ=
-github.com/pmezard/go-difflib v0.0.0-20181226105442-5d4384ee4fb2/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+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/spf13/pflag v1.0.1 h1:aCvUg6QPl3ibpQUxyLkrEkCHtPqYJL4x9AuhqVqFis4=
 github.com/spf13/pflag v1.0.1/go.mod h1:DYY7MBk1bdzusC3SYhjObp+wFpr4gzcvqqNjLnInEg4=
 github.com/stretchr/testify v0.0.0-20180319223459-c679ae2cc0cb h1:Idl4I/YpJ3WG7+/dNrHOGfnClSTk6iesxWxAjzvemdg=