diff --git a/Gopkg.lock b/Gopkg.lock
index d4c5736..14874bd 100644
--- a/Gopkg.lock
+++ b/Gopkg.lock
@@ -142,6 +142,14 @@
   version = "1.0.1"
 
 [[projects]]
+  digest = "1:0028cb19b2e4c3112225cd871870f2d9cf49b9b4276531f03438a88e94be86fe"
+  name = "github.com/pmezard/go-difflib"
+  packages = ["difflib"]
+  pruneopts = "UT"
+  revision = "792786c7400a136282c1664665ae0a8db921c6c2"
+  version = "v1.0.0"
+
+[[projects]]
   digest = "1:c1b1102241e7f645bc8e0c22ae352e8f0dc6484b6cb4d132fa9f24174e0119e2"
   name = "github.com/spf13/pflag"
   packages = ["."]
@@ -150,6 +158,14 @@
   version = "v1.0.3"
 
 [[projects]]
+  digest = "1:8548c309c65a85933a625be5e7d52b6ac927ca30c56869fae58123b8a77a75e1"
+  name = "github.com/stretchr/testify"
+  packages = ["assert"]
+  pruneopts = "UT"
+  revision = "221dbe5ed46703ee255b1da0dec05086f5035f62"
+  version = "v1.4.0"
+
+[[projects]]
   branch = "master"
   digest = "1:bbe51412d9915d64ffaa96b51d409e070665efc5194fcf145c4a27d4133107a4"
   name = "golang.org/x/crypto"
@@ -500,6 +516,7 @@
     "github.com/jessevdk/go-flags",
     "github.com/jhump/protoreflect/desc",
     "github.com/jhump/protoreflect/dynamic",
+    "github.com/stretchr/testify/assert",
     "google.golang.org/grpc",
     "google.golang.org/grpc/metadata",
     "google.golang.org/grpc/status",