diff --git a/vendor/github.com/henrikhodne/go-librato/librato/alerts.go b/vendor/github.com/henrikhodne/go-librato/librato/alerts.go
index 88aac98..4080cd8 100644
--- a/vendor/github.com/henrikhodne/go-librato/librato/alerts.go
+++ b/vendor/github.com/henrikhodne/go-librato/librato/alerts.go
@@ -23,6 +23,8 @@ type Alert struct {
 	Description  *string          `json:"description,omitempty"`
 	Active       *bool            `json:"active,omitempty"`
 	RearmSeconds *uint            `json:"rearm_seconds,omitempty"`
+	// Required for older "mixed mode" source & tags Librato accounts
+	Md *bool `json:"md,omitempty"`
 }
 
 func (a Alert) String() string {
@@ -31,13 +33,21 @@ func (a Alert) String() string {
 
 // AlertCondition represents an alert trigger condition.
 type AlertCondition struct {
-	Type            *string  `json:"type,omitempty"`
-	MetricName      *string  `json:"metric_name,omitempty"`
-	Source          *string  `json:"source,omitempty"`
-	DetectReset     *bool    `json:"detect_reset,omitempty"`
-	Threshold       *float64 `json:"threshold,omitempty"`
-	SummaryFunction *string  `json:"summary_function,omitempty"`
-	Duration        *uint    `json:"duration,omitempty"`
+	ID              *uint                  `json:"id,omitempty"`
+	Type            *string                `json:"type"`
+	MetricName      *string                `json:"metric_name"`
+	Source          *string                `json:"source,omitempty"`
+	Tags            []AlertConditionTagSet `json:"tags,omitempty"`
+	DetectReset     *bool                  `json:"detect_reset,omitempty"`
+	Threshold       *float64               `json:"threshold,omitempty"`
+	SummaryFunction *string                `json:"summary_function,omitempty"`
+	Duration        *uint                  `json:"duration,omitempty"`
+}
+
+type AlertConditionTagSet struct {
+	Name    *string   `json:"name"`
+	Grouped *bool     `json:"grouped,omitempty"`
+	Values  []*string `json:"values"`
 }
 
 // AlertAttributes represents the attributes of an alert.
diff --git a/vendor/github.com/henrikhodne/go-librato/librato/client.go b/vendor/github.com/henrikhodne/go-librato/librato/client.go
index 924454d..edfc1dd 100644
--- a/vendor/github.com/henrikhodne/go-librato/librato/client.go
+++ b/vendor/github.com/henrikhodne/go-librato/librato/client.go
@@ -161,6 +161,33 @@ type ErrorResponse struct {
 	Errors ErrorResponseMessages `json:"errors"`
 }
 
+// RenderErrorFromArray returns a string with the parameter errors
+func RenderErrorFromArray(errors []interface{}) string {
+	buf := new(bytes.Buffer)
+
+	for _, err := range errors {
+		fmt.Fprintf(buf, " %s,", err.(string))
+	}
+
+	return buf.String()
+}
+
+// RenderErrorFromMap returns a string with the parameter errors
+// (e.g. from Conditions)
+func RenderErrorFromMap(errors map[string]interface{}) string {
+	buf := new(bytes.Buffer)
+
+	for cond, condErrs := range errors {
+		fmt.Fprintf(buf, " %s:", cond)
+		for _, err := range condErrs.([]interface{}) {
+			fmt.Fprintf(buf, " %s,", err.(string))
+		}
+
+	}
+
+	return buf.String()
+}
+
 func (er *ErrorResponse) Error() string {
 	buf := new(bytes.Buffer)
 
@@ -168,8 +195,13 @@ func (er *ErrorResponse) Error() string {
 		buf.WriteString(" Parameter errors:")
 		for param, errs := range er.Errors.Params {
 			fmt.Fprintf(buf, " %s:", param)
-			for _, err := range errs {
-				fmt.Fprintf(buf, " %s,", err)
+			switch errs.(type) {
+			case []interface{}:
+				buf.WriteString(RenderErrorFromArray(errs.([]interface{})))
+			case map[string]interface{}:
+				buf.WriteString(RenderErrorFromMap(errs.(map[string]interface{})))
+			default:
+				buf.WriteString(" could not parse parameter errors")
 			}
 		}
 		buf.WriteString(".")
@@ -202,9 +234,13 @@ func (er *ErrorResponse) Error() string {
 
 // ErrorResponseMessages contains error messages returned from the Librato API.
 type ErrorResponseMessages struct {
-	Params  map[string][]string `json:"params,omitempty"`
-	Request []string            `json:"request,omitempty"`
-	System  []string            `json:"system,omitempty"`
+	Params  map[string]interface{} `json:"params,omitempty"`
+	Request []string               `json:"request,omitempty"`
+	System  []string               `json:"system,omitempty"`
+}
+
+type ConditionParamError struct {
+	Condition map[string][]string `json:"conditions,omitempty"`
 }
 
 // CheckResponse checks the API response for errors; and returns them if
diff --git a/vendor/vendor.json b/vendor/vendor.json
index 43d2c69..8fe9608 100644
--- a/vendor/vendor.json
+++ b/vendor/vendor.json
@@ -495,10 +495,10 @@
 			"revisionTime": "2016-07-20T23:31:40Z"
 		},
 		{
-			"checksumSHA1": "era7cPiPrCcdoEeHB+kNNYLODfg=",
+			"checksumSHA1": "o9U0fbkAJEUAszp4RHNjrCZaaX0=",
 			"path": "github.com/henrikhodne/go-librato/librato",
-			"revision": "f82d1c74e11de20191cc53b762a2217d582b0596",
-			"revisionTime": "2017-06-05T03:23:04Z"
+			"revision": "92cd9647dc6914b228205c03def7f57f7248fbe8",
+			"revisionTime": "2017-06-25T18:27:10Z"
 		},
 		{
 			"checksumSHA1": "0ZrwvB6KoGPj2PoDNSEJwxQ6Mog=",