diff --git a/cobra/go.mod b/cobra/go.mod
new file mode 100644
index 0000000..c53413d
--- /dev/null
+++ b/cobra/go.mod
@@ -0,0 +1,11 @@
+module github.com/spf13/cobra/cobra
+
+go 1.12
+
+require (
+	github.com/mitchellh/go-homedir v1.1.0
+	github.com/spf13/cobra v0.0.0
+	github.com/spf13/viper v1.7.0
+)
+
+replace github.com/spf13/cobra => ../
diff --git a/cobra/go.sum b/cobra/go.sum
new file mode 100644
index 0000000..a889342
--- /dev/null
+++ b/cobra/go.sum
@@ -0,0 +1,310 @@
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diff --git a/go.mod b/go.mod
index 18ff780..0e15356 100644
--- a/go.mod
+++ b/go.mod
@@ -5,8 +5,6 @@ go 1.12
 require (
 	github.com/cpuguy83/go-md2man/v2 v2.0.0
 	github.com/inconshreveable/mousetrap v1.0.0
-	github.com/mitchellh/go-homedir v1.1.0
 	github.com/spf13/pflag v1.0.5
-	github.com/spf13/viper v1.7.0
 	gopkg.in/yaml.v2 v2.3.0
 )
diff --git a/go.sum b/go.sum
index e8b69c6..251f2f3 100644
--- a/go.sum
+++ b/go.sum
@@ -1,313 +1,16 @@
-cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
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-cloud.google.com/go v0.38.0/go.mod h1:990N+gfupTy94rShfmMCWGDn0LpTmnzTp2qbd1dvSRU=
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