diff --git a/go.mod b/go.mod
index 8ec8fc3..ffdfcfa 100644
--- a/go.mod
+++ b/go.mod
@@ -2,7 +2,7 @@ module github.com/nilslice/protolock
 
 require (
 	github.com/davecgh/go-spew v1.1.1 // indirect
-	github.com/emicklei/proto v1.6.10
+	github.com/emicklei/proto v1.6.13
 	github.com/pmezard/go-difflib v1.0.0 // indirect
 	github.com/stretchr/testify v1.2.2
 )
diff --git a/go.sum b/go.sum
index 994ead3..a733a5b 100644
--- a/go.sum
+++ b/go.sum
@@ -1,7 +1,7 @@
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/emicklei/proto v1.6.10 h1:tXKViikmzSAh7X+SCUliSDphrK9JKKkJaAZB84XVCyY=
-github.com/emicklei/proto v1.6.10/go.mod h1:rn1FgRS/FANiZdD2djyH7TMA9jdRDcYQ9IEN9yvjX0A=
+github.com/emicklei/proto v1.6.13 h1:8iuAuKbFmFhkmstObb0EV/Hrn9W+x6EuV1y5Da8Ye9E=
+github.com/emicklei/proto v1.6.13/go.mod h1:rn1FgRS/FANiZdD2djyH7TMA9jdRDcYQ9IEN9yvjX0A=
 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/stretchr/testify v1.2.2 h1:bSDNvY7ZPG5RlJ8otE/7V6gMiyenm9RtJ7IUVIAoJ1w=