diff --git a/.gitignore b/.gitignore
index c786f22..342aac2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -24,3 +24,4 @@ profile.out
 *.exe
 *.test
 *.prof
+.idea
diff --git a/cli/proteus/main.go b/cli/proteus/main.go
index 06cd287..f37f224 100644
--- a/cli/proteus/main.go
+++ b/cli/proteus/main.go
@@ -11,7 +11,7 @@ import (
 	"gopkg.in/src-d/proteus.v1/protobuf"
 	"gopkg.in/src-d/proteus.v1/report"
 
-	"gopkg.in/urfave/cli.v1"
+	"github.com/urfave/cli"
 )
 
 var (
diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..64c9c01
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,17 @@
+module gopkg.in/src-d/proteus.v1
+
+go 1.13
+
+require (
+	github.com/fatih/color v1.7.0
+	github.com/gogo/protobuf v1.3.0
+	github.com/golang/protobuf v1.3.2
+	github.com/mattn/go-colorable v0.1.2 // indirect
+	github.com/mattn/go-isatty v0.0.9 // indirect
+	github.com/stretchr/testify v1.4.0
+	github.com/urfave/cli v1.22.1
+	golang.org/x/net v0.0.0-20190912160710-24e19bdeb0f2
+	golang.org/x/text v0.3.2
+	google.golang.org/grpc v1.23.1
+	gopkg.in/src-d/go-parse-utils.v1 v1.1.2
+)
diff --git a/go.sum b/go.sum
new file mode 100644
index 0000000..4a2d908
--- /dev/null
+++ b/go.sum
@@ -0,0 +1,67 @@
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