diff --git a/app_test.go b/app_test.go
index dfb3a88..84631fd 100644
--- a/app_test.go
+++ b/app_test.go
@@ -503,6 +503,7 @@ func TestApp_Float64Flag(t *testing.T) {
 }
 
 func TestApp_ParseSliceFlags(t *testing.T) {
+	var parsedOption, firstArg string
 	var parsedIntSlice []int
 	var parsedStringSlice []string
 
@@ -517,11 +518,15 @@ func TestApp_ParseSliceFlags(t *testing.T) {
 				Action: func(c *Context) error {
 					parsedIntSlice = c.IntSlice("p")
 					parsedStringSlice = c.StringSlice("ip")
+					parsedOption = c.String("option")
+					firstArg = c.Args().First()
 					return nil
 				},
 			},
 		},
 	}
+	var _ = parsedOption
+	var _ = firstArg
 
 	app.Run([]string{"", "cmd", "-p", "22", "-p", "80", "-ip", "8.8.8.8", "-ip", "8.8.4.4", "my-arg"})
 
diff --git a/go.mod b/go.mod
index c21d59c..b8f4fa3 100644
--- a/go.mod
+++ b/go.mod
@@ -1,3 +1,8 @@
 module gopkg.in/urfave/cli.v2
 
 go 1.12
+
+require (
+	github.com/BurntSushi/toml v0.3.1
+	gopkg.in/yaml.v2 v2.2.2
+)
diff --git a/go.sum b/go.sum
new file mode 100644
index 0000000..9a73308
--- /dev/null
+++ b/go.sum
@@ -0,0 +1,5 @@
+github.com/BurntSushi/toml v0.3.1 h1:WXkYYl6Yr3qBf1K79EBnL4mak0OimBfB0XUf9Vl28OQ=
+github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v2 v2.2.2 h1:ZCJp+EgiOT7lHqUV2J862kp8Qj64Jo6az82+3Td9dZw=
+gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=