diff --git a/vendor/github.com/cncd/pipeline/pipeline/frontend/yaml/types/bool.go b/vendor/github.com/cncd/pipeline/pipeline/frontend/yaml/types/bool.go
new file mode 100644
index 000000000..868ff3b24
--- /dev/null
+++ b/vendor/github.com/cncd/pipeline/pipeline/frontend/yaml/types/bool.go
@@ -0,0 +1,28 @@
+package types
+
+import "strconv"
+
+// BoolTrue is a custom Yaml boolean type that defaults to true.
+type BoolTrue struct {
+	value bool
+}
+
+// UnmarshalYAML implements custom Yaml unmarshaling.
+func (b *BoolTrue) UnmarshalYAML(unmarshal func(interface{}) error) error {
+	var s string
+	err := unmarshal(&s)
+	if err != nil {
+		return err
+	}
+
+	value, err := strconv.ParseBool(s)
+	if err == nil {
+		b.value = !value
+	}
+	return nil
+}
+
+// Bool returns the bool value.
+func (b BoolTrue) Bool() bool {
+	return !b.value
+}
\ No newline at end of file
diff --git a/vendor/vendor.json b/vendor/vendor.json
index aa4b3689c..7db1c0bac 100644
--- a/vendor/vendor.json
+++ b/vendor/vendor.json
@@ -83,6 +83,12 @@
 			"revision": "5cc866493ddb8e321050e061a926a9af0080d4de",
 			"revisionTime": "2017-05-06T00:17:19Z"
 		},
+		{
+			"checksumSHA1": "L7Q5qJmPITNmvFEEaj5MPwCWFRk=",
+			"path": "github.com/cncd/pipeline/pipeline/frontend/yaml/types",
+			"revision": "5cc866493ddb8e321050e061a926a9af0080d4de",
+			"revisionTime": "2017-05-06T00:17:19Z"
+		},
 		{
 			"checksumSHA1": "2/3f3oNmxXy5kcrRLCFa24Oc9O4=",
 			"path": "github.com/cncd/pipeline/pipeline/interrupt",